Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Standard for Separable
Insulated Connector Systems
for Power Distribution Systems
Rated 2.5 kV through 35 kV
IEEE Power and Energy Society
Sponsored by the
Insulated Conductors Committee
IEEE
3 Park Avenue
New York, NY 10016-5997
USA
IEEE Std 386™-2016
(Revision of IEEE Std 386-2006)
IEEE Standard for Separable
Insulated Connector Systems
for Power Distribution Systems
Rated 2.5 kV through 35 kV
Sponsor
Insulated Conductors Committee
of the
IEEE Power and Energy Society
Approved 30 June 2016
IEEE-SA Standards Board
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386™-2016
(Revision of IEEE Std 386-2006)
Keywords: GHDGEUHDN FRQQHFWRU HOERZ FRQQHFWRU ,((( ΠORDGEUHDN FRQQHFWRU SRZHU
GLVWULEXWLRQV\VWHPVVHSDUDEOHFRQGXFWRUVHSDUDEOHLQVXODWHGFRQQHFWRUV\VWHPV
7KH,QVWLWXWHRI(OHFWULFDODQG(OHFWURQLFV(QJLQHHUV,QF
3DUN$YHQXH1HZ<RUN1<86$
&RS\ULJKW‹E\7KH,QVWLWXWHRI(OHFWULFDODQG(OHFWURQLFV(QJLQHHUV,QF
$OOULJKWVUHVHUYHG3XEOLVKHG2FWREHU3ULQWHGLQWKH8QLWHG6WDWHVRI$PHULFD
,(((LVDUHJLVWHUHGWUDGHPDUNLQWKH863DWHQWDQG7UDGHPDUN2I¿FHRZQHGE\7KH,QVWLWXWHRI(OHFWULFDODQG(OHFWURQLFV(QJLQHHUV
,QFRUSRUDWHG
3')
3ULQW
,6%1
,6%1
67'
67'3'
IEEE prohibits discrimination, harassment, and bullying.
For more information, visit http://www.ieee.org/web/aboutus/whatis/policies/p9-26.html.
No part of this publication may be reproduced in any form, in an electronic retrieval system or otherwise, without the prior written permission
of the publisher.
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
Abstract:'H¿QLWLRQVVHUYLFHFRQGLWLRQVUDWLQJVLQWHUFKDQJHDEOHFRQVWUXFWLRQIHDWXUHVDQGWHVWV
DUHHVWDEOLVKHGIRUORDGEUHDNDQGGHDGEUHDNVHSDUDEOHLQVXODWHGFRQQHFWRUV\VWHPVIRUXVHRQ
SRZHUGLVWULEXWLRQV\VWHPVUDWHGN9WKURXJKN9DQG$RUOHVV
IEEE documents are made available for use subject to important notices and legal disclaimers. These notices
and disclaimers, or a reference to this page, appear in all standards and may be found under the heading “Important Notice” or “Important Notices and Disclaimers Concerning IEEE Standards Documents.”
Notice and Disclaimer of Liability Concerning the Use of IEEE Standards
Documents
IEEE Standards documents (standards, recommended practices, and guides), both full-use and trial-use, are
developed within IEEE Societies and the Standards Coordinating Committees of the IEEE Standards Association (“IEEE-SA”) Standards Board. IEEE (“the Institute”) develops its standards through a consensus development process, approved by the American National Standards Institute (“ANSI”), which brings together
YROXQWHHUVUHSUHVHQWLQJYDULHGYLHZSRLQWVDQGLQWHUHVWVWRDFKLHYHWKH¿QDOSURGXFW9ROXQWHHUVDUHQRWQHFHVsarily members of the Institute and participate without compensation from IEEE. While IEEE administers the
process and establishes rules to promote fairness in the consensus development process, IEEE does not independently evaluate, test, or verify the accuracy of any of the information or the soundness of any judgments
contained in its standards.
IEEE does not warrant or represent the accuracy or content of the material contained in its standards, and
expressly disclaims all warranties (express, implied and statutory) not included in this or any other document
UHODWLQJWRWKHVWDQGDUGLQFOXGLQJEXWQRWOLPLWHGWRWKHZDUUDQWLHVRIPHUFKDQWDELOLW\¿WQHVVIRUDSDUWLFXODU
purpose; non-infringement; and quality, accuracy, effectiveness, currency, or completeness of material. In
addition, IEEE disclaims any and all conditions relating to: results; and workmanlike effort. IEEE standards
documents are supplied “AS IS” and “WITH ALL FAULTS.”
Use of an IEEE standard is wholly voluntary. The existence of an IEEE standard does not imply that there
are no other ways to produce, test, measure, purchase, market, or provide other goods and services related to
the scope of the IEEE standard. Furthermore, the viewpoint expressed at the time a standard is approved and
issued is subject to change brought about through developments in the state of the art and comments received
from users of the standard.
In publishing and making its standards available, IEEE is not suggesting or rendering professional or other
services for, or on behalf of, any person or entity nor is IEEE undertaking to perform any duty owed by any
other person or entity to another. Any person utilizing any IEEE Standards document, should rely upon his or
her own independent judgment in the exercise of reasonable care in any given circumstances or, as appropriate, seek the advice of a competent professional in determining the appropriateness of a given IEEE standard.
,112(9(176+$//,(((%(/,$%/()25$1<',5(&7,1',5(&7,1&,'(17$/63(&,$/
(;(03/$5<25&216(48(17,$/'$0$*(6 ,1&/8',1*%87127/,0,7('72352&85(0(172)68%67,787(*22'6256(59,&(6/2662)86('$7$25352),7625%86,1(66
,17(55837,21 +2:(9(5&$86('$1'21$1<7+(25<2)/,$%,/,7<:+(7+(5,1&2175$&7675,&7/,$%,/,7<257257 ,1&/8',1*1(*/,*(1&(2527+(5:,6( $5,6,1*,1
$1<:$<2872)7+(38%/,&$7,2186(2)255(/,$1&(8321$1<67$1'$5'(9(1
,)$'9,6('2)7+(3266,%,/,7<2)68&+'$0$*($1'5(*$5'/(662):+(7+(568&+
'$0$*(:$6)25(6(($%/(
Translations
The IEEE consensus development process involves the review of documents in English only. In the event that
an IEEE standard is translated, only the English version published by IEEE should be considered the approved
IEEE standard.
3
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
Important Notices and Disclaimers Concerning IEEE Standards Documents
A statement, written or oral, that is not processed in accordance with the IEEE-SA Standards Board Operations
0DQXDOVKDOOQRWEHFRQVLGHUHGRULQIHUUHGWREHWKHRI¿FLDOSRVLWLRQRI,(((RUDQ\RILWVFRPPLWWHHVDQGVKDOO
not be considered to be, or be relied upon as, a formal position of IEEE. At lectures, symposia, seminars, or
educational courses, an individual presenting information on IEEE standards shall make it clear that his or her
views should be considered the personal views of that individual rather than the formal position of IEEE.
Comments on standards
Comments for revision of IEEE Standards documents are welcome from any interested party, regardless of
PHPEHUVKLSDI¿OLDWLRQZLWK,(((+RZHYHU,(((GRHVQRWSURYLGHFRQVXOWLQJLQIRUPDWLRQRUDGYLFHSHUWDLQing to IEEE Standards documents. Suggestions for changes in documents should be in the form of a proposed
change of text, together with appropriate supporting comments. Since IEEE standards represent a consensus
of concerned interests, it is important that any responses to comments and questions also receive the concurrence of a balance of interests. For this reason, IEEE and the members of its societies and Standards Coordinating Committees are not able to provide an instant response to comments or questions except in those cases
where the matter has previously been addressed. For the same reason, IEEE does not respond to interpretation
requests. Any person who would like to participate in revisions to an IEEE standard is welcome to join the
relevant IEEE working group.
Comments on standards should be submitted to the following address:
Secretary, IEEE-SA Standards Board
445 Hoes Lane
3LVFDWDZD\1-86$
Laws and regulations
Users of IEEE Standards documents should consult all applicable laws and regulations. Compliance with the
provisions of any IEEE Standards document does not imply compliance to any applicable regulatory requirements. Implementers of the standard are responsible for observing or referring to the applicable regulatory
requirements. IEEE does not, by the publication of its standards, intend to urge action that is not in compliance
with applicable laws, and these documents may not be construed as doing so
Copyrights
IEEE draft and approved standards are copyrighted by IEEE under US and international copyright laws. They
are made available by IEEE and are adopted for a wide variety of both public and private uses. These include
both use, by reference, in laws and regulations, and use in private self-regulation, standardization, and the promotion of engineering practices and methods. By making these documents available for use and adoption by
public authorities and private users, IEEE does not waive any rights in copyright to the documents.
Photocopies
Subject to payment of the appropriate fee, IEEE will grant users a limited, non-exclusive license to photocopy
portions of any individual standard for company or organizational internal use or individual, non-commercial
use only. To arrange for payment of licensing fees, please contact Copyright Clearance Center, Customer SerYLFH5RVHZRRG'ULYH'DQYHUV0$86$3HUPLVVLRQWRSKRWRFRS\SRUWLRQVRI
any individual standard for educational classroom use can also be obtained through the Copyright Clearance
Center.
4
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
2I¿FLDOVWDWHPHQWV
Users of IEEE Standards documents should be aware that these documents may be superseded at any time by
the issuance of new editions or may be amended from time to time through the issuance of amendments, corriJHQGDRUHUUDWD$QRI¿FLDO,(((GRFXPHQWDWDQ\SRLQWLQWLPHFRQVLVWVRIWKHFXUUHQWHGLWLRQRIWKHGRFXPHQW
together with any amendments, corrigenda, or errata then in effect.
(YHU\,(((VWDQGDUGLVVXEMHFWHGWRUHYLHZDWOHDVWHYHU\\HDUV:KHQDGRFXPHQWLVPRUHWKDQ\HDUVROG
and has not undergone a revision process, it is reasonable to conclude that its contents, although still of some
YDOXHGRQRWZKROO\UHÀHFWWKHSUHVHQWVWDWHRIWKHDUW8VHUVDUHFDXWLRQHGWRFKHFNWRGHWHUPLQHWKDWWKH\KDYH
the latest edition of any IEEE standard.
In order to determine whether a given document is the current edition and whether it has been amended through
the issuance of amendments, corrigenda, or errata, visit the IEEE-SA Website at http://www.ieee.org/publications_standards/index.html or contact IEEE at the address listed previously. For more information about the
IEEE-SA or IEEE’s standards development process, visit the IEEE-SA Website at http://standards.ieee.org.
Errata
(UUDWDLIDQ\IRUDOO,(((VWDQGDUGVFDQEHDFFHVVHGRQWKH,(((6$:HEVLWHDWWKHIROORZLQJ85/http://
VWDQGDUGVLHHHRUJ¿QGVWGVHUUDWDLQGH[KWPO8VHUVDUHHQFRXUDJHGWRFKHFNWKLV85/IRUHUUDWDSHULRGLFDOO\
Patents
Attention is called to the possibility that implementation of this standard may require use of subject matter
covered by patent rights. By publication of this standard, no position is taken by the IEEE with respect to the
existence or validity of any patent rights in connection therewith. If a patent holder or patent applicant has
¿OHGDVWDWHPHQWRIDVVXUDQFHYLDDQ$FFHSWHG/HWWHURI$VVXUDQFHWKHQWKHVWDWHPHQWLVOLVWHGRQWKH,(((
SA Website at http://standards.ieee.org/about/sasb/patcom/patents.html. Letters of Assurance may indicate
whether the Submitter is willing or unwilling to grant licenses under patent rights without compensation or
under reasonable rates, with reasonable terms and conditions that are demonstrably free of any unfair discrimination to applicants desiring to obtain such licenses.
(VVHQWLDO3DWHQW&ODLPVPD\H[LVWIRUZKLFKD/HWWHURI$VVXUDQFHKDVQRWEHHQUHFHLYHG7KH,(((LVQRWUHVSRQVLEOHIRULGHQWLI\LQJ(VVHQWLDO3DWHQW&ODLPVIRUZKLFKDOLFHQVHPD\EHUHTXLUHGIRUFRQGXFWLQJLQTXLULHV
LQWRWKHOHJDOYDOLGLW\RUVFRSHRI3DWHQWV&ODLPVRUGHWHUPLQLQJZKHWKHUDQ\OLFHQVLQJWHUPVRUFRQGLWLRQV
provided in connection with submission of a Letter of Assurance, if any, or in any licensing agreements are
reasonable or non-discriminatory. Users of this standard are expressly advised that determination of the validity of any patent rights, and the risk of infringement of such rights, is entirely their own responsibility. Further
information may be obtained from the IEEE Standards Association.
5
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
Updating of IEEE Standards documents
At the time this draft standard was completed, the IEEE 386 Working Group (B16W) had the following
membership:
Tim Wall, Chair
David Hughes, Vice Chair
Carl Wentzel, Past Vice Chair
Mike Faulkenberry, Secretary
Ryan Anthan
Brian Ayers
Gary Betts
David Crotty
Mike Dyer
Richard Harp
Jeffrey Helzer
Mike Jackson
Edward Jankowich
Michael Lauxman
Ken Lee
Glenn Luzzi
Jeff Madden
John Makal
Aaron Norris
Michael Smalley
Stan Szyszko
Bastiaan van Besouw
Rich Vencus
The following members of the individual balloting committee voted on this standard. Balloters may have
voted for approval, disapproval, or abstention.
John Ainscough
Roy Alexander
Saleman Alibhay
Chris Ambrose
Robert Beavers
Gary Betts
Kenneth Bow
William Byrd
Thomas Campbell
Thomas Champion
Robert Christman
Kurt Clemente
David Crotty
Glenn Davis
Gary Donner
Mike Faulkenberry
Marcel Fortin
Craig Goodwin
Steven Graham
Randall Groves
Richard Harp
Jeffrey Helzer
Lee Herron
Werner Hoelzl
David Hughes
David Jackson
Richard Jackson
Edward Jankowich
Song Jin
A. Jones
Laszlo Kadar
Gael Kennedy
Yuri Khersonsky
Jim Kulchisky
Chung-Yiu Lam
Benjamin Lanz
Michael Lauxman
Glenn Luzzi
Jeff Madden
John Makal
Arturo Maldonado
John Merando
Daleep Mohla
Jerry Murphy
Michael Newman
Aaron Norris
Lorraine Padden
Christopher Petrola
Benjamin Quak
6
Copyright © 2016 IEEE. All rights reserved.
Robert Resuali
Michael Roberts
Charles Rogers
Bartien Sayogo
Michael Smalley
Jeremy Smith
Jerry Smith
Gregory Stano
James Swank
Stanley Szyszko
David Tepen
Nijam Uddin
Bastiaan van Besouw
Rich Vencus
John Vergis
Martin von Herrmann
Carl Wall
Eric Wall
William Walter
Mark Walton
Yingli Wen
Carl Wentzel
Kenneth White
Dawn Zhao
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
Participants
Jean-Philippe Faure, Chair
Ted Burse, Vice Chair
John D. Kulick, Past Chair
Konstantinos Karachalios, Secretary
Chuck Adams
Masayuki Ariyoshi
Stephen Dukes
Jianbin Fan
J. Travis Grif¿th
Gary Hoffman
Ronald W. Hotchkiss
Michael Janezic
Joseph L. Koep¿nger*
Hung Ling
Kevin Lu
Annette D. Reilly
Gary Robinson
*Member Emeritus
7
Copyright © 2016 IEEE. All rights reserved.
Mehmet Ulema
Yingli Wen
Howard Wolfman
Don Wright
Yu Yuan
Daidi Zhong
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
When the IEEE-SA Standards Board approved this standard on 30 June 2016, it had the following membership:
7KLVLQWURGXFWLRQLVQRWSDUWRI,(((6WG,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
This standard was developed in response to a need created by the rapid expansion of underground distribution
systems. A key element that allowed this expansion to become a reality is the separable insulated connector.
This device provides for simple and inexpensive connection and switching to transformers and other equipment used in underground distribution.
When separable insulated connectors became available, IEEE and the National Electrical Manufacturers AsVRFLDWLRQ 1(0$ ZRUNHGFRRSHUDWLYHO\WRGHYHORSDGRFXPHQWWKDWGH¿QHGWKHLQWHUIDFHVUDWLQJVDQGWHVW
conditions for the device. The success of that cooperative effort is apparent from both the vast number of these
GHYLFHVQRZLQLQWHUFKDQJHDEOHXVHLQWKH¿HOGDQGWKHLUHQYLDEOHVDIHW\UHFRUG
This cooperative effort continues due to the ongoing upgrading and changing nature of these underground
V\VWHPVDQGSURGXFWV7KHUHFHQWFRRSHUDWLYHHIIRUWKDVEHHQSURYLGHGE\WKH$16,&6XEFRPPLWWHHDQG
WKH,(((:RUNLQJ*URXSRQ6HSDUDEOH&RQQHFWRUVXQGHUWKHDXVSLFHVRIWKH,QVXODWHG&RQGXFWRUV&RPPLWWHH
RIWKH,(((3RZHU(QJLQHHULQJ6RFLHW\
7KLVUHYLVLRQUHÀHFWVWKHIROORZLQJPDMRUDGGLWLRQV
—
FKDQJHGWKHGRFXPHQWWLWOHWRVWDWHVSHFL¿FV\VWHPYROWDJHVFRYHUHG
—
GH¿QHGFRQQHFWRUFRPSRQHQWV
—
DGGHGFRORUFRGLQJIRU$ORDGEUHDNFRQQHFWRUV
—
DGGHG$GHDGEUHDNFRQQHFWRUV
—
DGGHG$ORDGEUHDNFRQQHFWRUV
—
DGGHGDQGN9YROWDJHFODVVGHVLJQDWLRQV
—
DGGHGVWUDLJKWDQGPXOWLSRLQW ³,´³+´DQG³<´ FRQQHFWRUV
—
addressed handling of no-test samples during switching and fault-close testing
—
expanded operating interface ac withstand test and made it normative
—
added tee connector/cable adaptor interchangeability test
—
UHGUHZDOO¿JXUHV
—
GHOHWHGVZLWFKLQJWHVWFLUFXLW E IRUPHUO\LQ)LJXUHRI,(((QRZ)LJXUH in this revision of the standard
—
UHPRYHGWKHUHTXLUHPHQWIRUWKHPLQGFZLWKVWDQGWHVW QRZLQIRUPDWLYHLQAnnex C)
—
UHPRYHGWKHUHTXLUHPHQWIRUOLPLWHGLQWHUFKDQJHDELOLW\WKDWZDVIRUPHUO\LQ,(((
—
changed the partial discharge sensitivity from 3 pC to 5 pC
—
added that mechanical actuators shall not be used for fault close testing
)RULQIRUPDWLRQRQWKHDSSOLFDWLRQRIVHSDUDEOHFRQQHFWRUVUHIHUWR,(((6WGŒ
For information on references, see Clause 2.
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
Introduction
6FRSH ......................................................................................................................................................... 2. Normative references ................................................................................................................................ 'H¿QLWLRQVDEEUHYLDWLRQVDQGDFURQ\PV ................................................................................................. 'H¿QLWLRQV .......................................................................................................................................... 3.2 Abbreviations and acronyms .............................................................................................................. 4. Service conditions ..................................................................................................................................... 8VXDOVHUYLFHFRQGLWLRQV ..................................................................................................................... 4.2 Unusual service conditions ................................................................................................................. 5DWLQJVDQGFKDUDFWHULVWLFV ........................................................................................................................ 9ROWDJHUDWLQJVDQGFKDUDFWHULVWLFV ...................................................................................................... 5.2 Current ratings and characteristics...................................................................................................... 6. Construction .............................................................................................................................................. ,GHQWL¿FDWLRQ ...................................................................................................................................... 6.2 Operating means ................................................................................................................................. 22
6.3 Shielding ............................................................................................................................................ 23
6.4 Interchangeability............................................................................................................................... 23
6.5 Test point ............................................................................................................................................ 23
6.6 Hold-down bails ................................................................................................................................. 24
%XVKLQJZHOOVWXGWRUTXHZLWKVWDQG .................................................................................................... 24
7KHUPDOF\FOHZLWKVWDQG ..................................................................................................................... 24
7HVWLQJ ....................................................................................................................................................... 24
3URGXFWLRQWHVWV .................................................................................................................................. 24
'HVLJQWHVWV ........................................................................................................................................ 24
7HVWFRQGLWLRQV .................................................................................................................................... 3DUWLDOGLVFKDUJHWHVW ........................................................................................................................... 'LHOHFWULFWHVWV .................................................................................................................................... 6KRUWWLPHFXUUHQWWHVW ........................................................................................................................ 53
6ZLWFKLQJWHVW ..................................................................................................................................... 53
)DXOWFORVXUHWHVW ................................................................................................................................ &XUUHQWF\FOLQJWHVWIRUXQLQVXODWHGFRPSRQHQWVRI$DQG$FRQQHFWRUV ............................. &XUUHQWF\FOLQJWHVWIRU$LQVXODWHGFRQQHFWRUV ........................................................................ &XUUHQWF\FOLQJWHVWIRU$DQG$LQVXODWHGFRQQHFWRUV ....................................................... 62
$FFHOHUDWHGVHDOLQJOLIHWHVW .............................................................................................................. 63
&DEOHSXOORXWWHVW WHQVLOHVWUHQJWK ................................................................................................. 64
2SHUDWLQJIRUFHWHVWIRUVHSDUDEOHFRQQHFWRUVZLWKDQRSHUDWLQJH\H................................................ 64
2SHUDWLQJH\HWHVW............................................................................................................................. 64
7HVWSRLQWFDSWHVW ............................................................................................................................. 64
7HVWSRLQWWHVWV .................................................................................................................................. 65
6KLHOGLQJWHVW .................................................................................................................................... 65
%XVKLQJZHOOVWXGWRUTXHZLWKVWDQGWHVW............................................................................................ 65
7KHUPDOF\FOHZLWKVWDQGWHVW ............................................................................................................ 65
7HHVHSDUDEOHLQVXODWHGFRQQHFWRULQWHUFKDQJHDELOLW\WHVW ................................................................ 66
Annex A (informative) Trial use guide for testing of separable connector lubricants ..................................... Annex B (informative) IEC versus IEEE ratings ............................................................................................ &RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
Contents
Annex D (informative) Bibliography ............................................................................................................. &RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
Annex C (informative) DC withstand test voltage reference .......................................................................... )LJXUH²,QWHUIDFHW\SLFDOFRPSRQHQWVRI$VHSDUDEOHLQVXODWHGFRQQHFWRUV\VWHP SUHYLRXVO\
)LJXUHLQ,(((6WG ..................................................................................................................... 25
)LJXUH²,QWHUIDFHD$FRQQHFWLRQFRQ¿JXUDWLRQDQGN9FODVV .............................. 26
)LJXUH²,QWHUIDFHD$GHDGEUHDNEXVKLQJZHOOLQWHUIDFHDQGN9FODVV
SUHYLRXVO\)LJXUHLQ,(((6WG .................................................................................................. )LJXUH²,QWHUIDFHD$GHDGEUHDNLQWHUIDFHDQGN9FODVV SUHYLRXVO\)LJXUHLQ
,(((6WG ....................................................................................................................................... )LJXUH²,QWHUIDFHD$ORDGEUHDNLQWHUIDFHN9FODVV SUHYLRXVO\)LJXUHLQ,(((6WG
....................................................................................................................................................... )LJXUH²,QWHUIDFH$D$ORDGEUHDNLQWHUIDFHDQGN9FODVV SUHYLRXVO\)LJXUHLQ
,(((6WG ....................................................................................................................................... )LJXUH²,QWHUIDFHD$ORDGEUHDNLQWHUIDFHN9FODVV ODUJHLQWHUIDFHSUHYLRXVO\)LJXUH
LQ,(((6WG ................................................................................................................................... )LJXUH ²,QWHUIDFH D $ ORDGEUHDN LQWHUIDFH VLQJOHSKDVH N9 FODVV ODUJH LQWHUIDFH
SUHYLRXVO\)LJXUHLQ,(((6WG .................................................................................................... 32
)LJXUH²,QWHUIDFH%D$ORDGEUHDNLQWHUIDFHN9FODVV VPDOOLQWHUIDFHSUHYLRXVO\)LJXUH
LQ,(((6WG ................................................................................................................................. 33
)LJXUH²,QWHUIDFHD$GHDGEUHDNLQWHUIDFHN9FODVV SUHYLRXVO\)LJXUHLQ,(((
6WG ................................................................................................................................................. 34
)LJXUH²7\SLFDOFRPSRQHQWVRIDRU$VHSDUDEOHLQVXODWHGFRQQHFWRUV\VWHP SUHYLRXVO\
)LJXUHLQ,(((6WG ..................................................................................................................... 35
)LJXUH²,QWHUIDFHDDQG$FRQQHFWLRQFRQ¿JXUDWLRQDQGN9FODVV ........... 36
)LJXUH²,QWHUIDFHDDQG$GHDGEUHDNLQWHUIDFHDQGN9FODVV SUHYLRXVO\
)LJXUHLQ,(((6WG ................................................................................................................... )LJXUH²,QWHUIDFHDDQG$GHDGEUHDNLQWHUIDFHDQGN9FODVV SUHYLRXVO\
)LJXUHLQ,(((6WG ................................................................................................................... )LJXUH²,QWHUIDFHDDQG$GHDGEUHDNLQWHUIDFHN9FODVV SUHYLRXVO\)LJXUHLQ
,(((6WG ....................................................................................................................................... )LJXUH²,QWHUIDFHDDQG$GHDGEUHDNLQWHUIDFHN9FODVV SUHYLRXVO\)LJXUHLQ
,(((6WG ....................................................................................................................................... )LJXUH²,QWHUIDFHD$ORDGEUHDNLQWHUIDFHDQGN9FODVV .................................... )LJXUH²,QWHUIDFHDDQG$GLVFRQQHFWDEOHMRLQWDQGN9FODVV ................... 42
)LJXUH²,QWHUIDFHDFDEOHDGDSWHUIRUXVHZLWKDQG$DQGN9GHDGEUHDN
VHSDUDEOHLQVXODWHGFRQQHFWRUVDQGDQGN9GLVFRQQHFWDEOHEXVHV ....................................... 43
)LJXUH²,QWHUIDFHDFDEOHDGDSWHUIRUXVHZLWKDQG$N9GHDGEUHDNVHSDUDEOH
insulated connectors ....................................................................................................................................... 44
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
List of Figures
)LJXUH²6WDFNLQJGLPHQVLRQVIRUD$GHDGEUHDNVHSDUDEOHLQVXODWHGFRQQHFWRUV\VWHP
DQGN9FODVV SUHYLRXVO\)LJXUHLQ,(((6WG ...................................................................... 46
)LJXUH ²6WDFNLQJ GLPHQVLRQV IRU D DQG $ GHDGEUHDN VHSDUDEOH LQVXODWHG FRQQHFWRU
V\VWHPDQGN9FODVV SUHYLRXVO\)LJXUHLQ,(((6WG ..................................... )LJXUH²7\SLFDOFRPSRQHQWVDQG$DQGN9GHDGEUHDNGLVFRQQHFWDEOHEXVHV )LJXUH²7\SLFDOFRQQHFWLRQFRQ¿JXUDWLRQGLVFRQQHFWDEOHEXVHV............................................................. Figure 26—Circuit diagram for operating interface ac withstand test ............................................................ 52
)LJXUH²6KRUWWLPHFXUUHQWZDYHIRUP ...................................................................................................... 54
)LJXUH²&LUFXLWGLDJUDPVIRUVZLWFKLQJFXUUHQWWHVWV ................................................................................ 56
)LJXUH²&LUFXLWGLDJUDPVIRUIDXOWFORVXUHWHVWV ....................................................................................... )LJXUH²7KHUPDOWHVWZLWKRIID[LVRSHUDWLRQ ) .............................................................................. 62
)LJXUH²7KHUPDOF\FOHSUR¿OH .................................................................................................................. 66
)LJXUH%²,(&&(1(/(&FRQHVW\OHEXVKLQJ .......................................................................................... &RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
)LJXUH²6WDFNLQJGLPHQVLRQVIRUD$ORDGEUHDNVHSDUDEOHLQVXODWHGFRQQHFWRUV\VWHP
DQGN9FODVV SUHYLRXVO\)LJXUHLQ,(((6WG ........................................................ 45
Table 1—Voltage ratings and characteristics for loadbreak connectors���������������������������������������������������������� 20
Table 2—Voltage ratings and characteristics of deadbreak connectors���������������������������������������������������������� 20
Table 3—Current ratings and characteristics for loadbreak connectors���������������������������������������������������������� 20
Table 4—Current ratings and characteristics for deadbreak connectors��������������������������������������������������������� 21
Table 5—200-A loadbreak connector color code������������������������������������������������������������������������������������������� 22
Table 6—600-A loadbreak connector color code������������������������������������������������������������������������������������������� 22
Table 7—Static operating force���������������������������������������������������������������������������������������������������������������������� 23
Table 8—Design tests������������������������������������������������������������������������������������������������������������������������������������� 50
Table 9—Impulse wave shape tolerances������������������������������������������������������������������������������������������������������� 53
Table 10—Voltage conditions for switching test�������������������������������������������������������������������������������������������� 54
Table 11—Ground plane spacing for switching and fault-closure tests���������������������������������������������������������� 55
Table 12—Voltage conditions for fault-closure test��������������������������������������������������������������������������������������� 57
Table 13—Cable insulation thickness and conductor definition for 7.10, 7.11, and 7.12������������������������������� 60
Table A.1—Lubricant properties�������������������������������������������������������������������������������������������������������������������� 70
Table B.1—IEEE versus IEC voltage ratings������������������������������������������������������������������������������������������������� 72
Table B.2—IEEE 386 versus IEC bushing interface�������������������������������������������������������������������������������������� 73
Table B.3—Primary IEC and CENELEC screened (shielded) separable connector test sequence����������������� 75
Table C.1—Voltage ratings and reference dc test levels for separable insulated connectors�������������������������� 77
13
Copyright © 2016 IEEE. All rights reserved.
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
List of Tables
IMPORTANT NOTICE: This standard is not intended to ensure safety, security, health, or environmental
protection. Implementers of the standard are responsible for determining appropriate safety, security, environmental, and health practices or regulatory requirements.
This IEEE document is made available for use subject to important notices and legal disclaimers. These
notices and disclaimers appear in all publications containing this document and may be found under the
heading “Important Notice” or “Important Notices and Disclaimers Concerning IEEE Documents.” They
can also be obtained on request from IEEE or viewed at http://standards.ieee.org/IPR/disclaimers.html.
1. Scope
7KLVVWDQGDUGHVWDEOLVKHVGH¿QLWLRQVVHUYLFHFRQGLWLRQVUDWLQJVLQWHUFKDQJHDEOHFRQVWUXFWLRQIHDWXUHVDQG
WHVWVIRUORDGEUHDNDQGGHDGEUHDNVHSDUDEOHLQVXODWHGFRQQHFWRUV\VWHPVUDWHG$RUOHVVIRUXVHRQVKLHOGHG
SRZHUGLVWULEXWLRQV\VWHPVUDWHGN9WKURXJKN9
2. Normative references
The following referenced documents are indispensable for the application of this document (i.e., they must
be understood and used, so each referenced document is cited in text and its relationship to this document is
explained). For dated references, only the edition cited applies. For undated references, the latest edition of the
referenced document (including any amendments or corrigenda) applies.
$16, & (OHFWULF &RQQHFWRUV²&RQQHFWRUV IRU 8VH EHWZHHQ $OXPLQXPWR$OXPLQXP RU $OXPLQXPWR&RSSHU&RQGXFWRUV'HVLJQHGIRU1RUPDO2SHUDWLRQDWRU%HORZƒ&DQG&RSSHUWR&RSSHU&RQGXFWRUV'HVLJQHGIRU1RUPDO2SHUDWLRQDWRU%HORZƒ&2
$16,$64=± 5 6DPSOLQJ3URFHGXUHVDQG7DEOHVIRU,QVSHFWLRQE\$WWULEXWHV
$670)6WDQGDUG6SHFL¿FDWLRQIRU1RQIHUURXV1XWVIRU*HQHUDO8VH3
2
3
ANSI publications are available from the American National Standards Institute, http://www.ansi.org/.
ASTM publications are available from the American Society for Testing and Materials, http://www.astm.org/.
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Standard for Separable
Insulated Connector Systems
for Power Distribution Systems
Rated 2.5 kV through 35 kV
,(((6WGŒ,(((6WDQGDUGIRU+LJK9ROWDJH7HVWLQJ7HFKQLTXHV4,5
,(((6WGŒ,(((6WDQGDUGIRU([SRVHG6HPLFRQGXFWLQJ6KLHOGVRQ+LJK9ROWDJH&DEOH-RLQWVDQG6HSarable Connectors.
,(((6WGŒ,(((*XLGHIRUWKH$SSOLFDWLRQRI6HSDUDEOH,QVXODWHG&RQQHFWRUV
,(((6WG&Œ,(((6WDQGDUG7HVW3URFHGXUHIRU$&+LJK9ROWDJH&LUFXLW%UHDNHUV5DWHGRQD6\Pmetrical Current Basis.
,(((6WG&Œ,(((,(&KLJKYROWDJHVZLWFKJHDUDQGFRQWUROJHDU²3DUW$XWRPDWLFFLUFXLW
UHFORVHUVDQGIDXOWLQWHUUXSWHUVIRUDOWHUQDWLQJFXUUHQWV\VWHPVXSWRN9
'H¿QLWLRQVDEEUHYLDWLRQVDQGDFURQ\PV
'H¿QLWLRQV
)RUWKHSXUSRVHVRIWKLVGRFXPHQWWKHIROORZLQJWHUPVDQGGH¿QLWLRQVDSSO\7KHIEEE Standards Dictionary
OnlineVKRXOGEHFRQVXOWHGIRUWHUPVQRWGH¿QHGLQWKLVFODXVH6
7KHIROORZLQJGH¿QLWLRQVDUHWKHLQWHQGHGPHDQLQJVRIWHUPVXVHGLQWKLVVWDQGDUGRUDVVRFLDWHGZLWKVHSDUDEOH
insulated connector systems. )LJXUH, )LJXUH, )LJXUH, Figure 22, Figure 23, and Figure 24 show typical
components of separable insulated connectors. The term connector as used in this standard means separable
insulated connector.
access port: An interface on a separable connector that provides a path to the interior for the temporary inserWLRQRIDYROWDJHWHVWLQJGHYLFHRULQMHFWLRQRIFDEOHUHMXYHQDWLRQÀXLGV
access port cap: A semi-conductive shielded cover with an insulated probe for an access port.
arc quenching rod: An ablative material added to the end of a probe that serves to pressurize and cool the arc
and help deionize the arc by-products while approaching current zero, assisting in the arc interruption process.
arc ring: Material inserted between the metal contact area of a loadbreak probe and the arc quenching rod for
the purpose of limiting arc damage to the probe metal.
NOTE—See )LJXUH and )LJXUH.
bushing extender: A connector that provides two in-line elbow interfaces.
NOTE—See Figure 23
bushing insert: A connector component intended for insertion into a bushing well designed for use with another connector component, such as an elbow.
NOTE—See )LJXUH, )LJXUH, and Figure 22.
4
,(((SXEOLFDWLRQVDUHDYDLODEOHIURP7KH,QVWLWXWHRI(OHFWULFDODQG(OHFWURQLFV(QJLQHHUV+RHV/DQH3LVFDWDZD\1-
86$ http://standards.ieee.org/).
5
The IEEE standards or products referred to in this clause are trademarks of the Institute of Electrical and Electronics Engineers, Inc.
6
IEEE Standards Dictionary Online subscription is available at: http://ieeexplore.ieee.org/xpls/dictionary.jsp.
1RWHVLQWH[WWDEOHVDQG¿JXUHVRIDVWDQGDUGDUHJLYHQIRULQIRUPDWLRQRQO\DQGGRQRWFRQWDLQUHTXLUHPHQWVQHHGHGWRLPSOHPHQWWKLV
standard.
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
bushing well: An apparatus bushing having a cavity for insertion of a connector component, such as a bushing
insert.
NOTE—See Figure 1, Figure 21, and Figure 22.
bushing well plug: An accessory device designed to electrically insulate, electrically shield, and mechanically seal a bushing well.
NOTE—See Figure 21 and Figure 22.
cable adaptor: A connector component that ¿ts over the insulation of the cable increasing its diameter to properly mate with the cable entrance interface.
cable entrance interface: The portion of the separable insulated connector where the shielded cable is installed, typically where the insulation shield cutback and electrical stress control occurs. There are two
interface types, with or without adaptor. Interfaces that do not require an adaptor can be either push-on or
shrinkable.
compression lug: The internal current carrying part of a separable insulated connector designed for the transition of the current path from the cable conductor to the connector.
connecting plug: A connector that provides two in-line bushing interfaces.
continuous current rating: The designated rms alternating current that the connector can carry continuously
under speci¿ed conditions.
dead-end separable insulated connector: A device with a single interface, used to terminate, electrically
shield, electrically insulate and seal an interface. Typical devices include insulated caps, insulated parking
bushings, and insulated plugs.
NOTE—See Figure 1, Figure 21, Figure 22, Figure 23, and Figure 24.
dead-front separable insulated connector arrester: An insulated and shielded surge protective electrical
device. These devices have an arrester and one or more interfaces. Typical devices include bushing arresters,
bushing well arresters, elbow arresters, tee arresters, and parking stand arresters.
NOTE—See Figure 21.
deadbreak connector: A separable insulated connector designed to be separated and engaged on de-energized circuits only. This includes disconnectable buses.
NOTE—See Figure 22, Figure 23, and Figure 24.
drain wire (grounding) tab: A projection on the outer surface of a connector component or accessory device
designed for placement of a wire to bond the outer shield of the device to ground. The tab and the wire are not
rated for carrying fault current.
elbow: See elbow separable insulated connector
elbow separable insulated connector: A device with two interconnected interfaces used to electrically insulate, electrically shield and seal the interfaces where the two interfaces are at a right angle to each other. One of
the interfaces is a cable interface and the other is a bushing interface. Typical devices include 200 A loadbreak
elbows and 200 A deadbreak elbows.
NOTE—See Figure 1, Figure 21, and Figure 22.
16
Copyright © 2016 IEEE. All rights reserved.
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
IEEE Standard for Separable Insulated Connector Systems for Power Distribution Systems Rated 2.5 kV through 35 kV
feed-thru bushing insert: An accessory device with two electrically interconnected bushing interfaces that
can be installed into a bushing well.
NOTE—See Figure 21.
feed-thru parking bushing: An accessory device with two electrically interconnected bushing interfaces that
can be installed into a parking stand.
NOTE—See Figure 21.
grounding parking bushing: See grounding separable insulated connector
grounding separable insulated connector: A device that grounds and seals a de-energized cable, cable system or apparatus. All have short-time current ratings. Those for loadbreak systems also have a fault-closure
rating. Typical devices include grounding elbows, grounding bushings, and grounding caps.
NOTE—See Figure 21, Figure 22, Figure 23, and Figure 24.
grounding tab: See drain wire (grounding) tab
insulated cap: An accessory device designed to electrically insulate, electrically shield, and mechanically seal
a bushing insert or integral bushing.
NOTE—See Figure 1, Figure 21, Figure 22, Figure 23, and Figure 24.
insulated parking bushing: An accessory device designed to electrically insulate, electrically shield, and
mechanically seal a power cable terminated with an elbow and to be installed into a parking stand.
NOTE—See Figure 21, Figure 22, and Figure 23.
insulated plug: An accessory device designed to electrically insulate, electrically shield, and mechanically
seal an elbow interface.
NOTE—See Figure 23 and Figure 24.
integral bushing: An apparatus bushing designed for use with another connector component, such as an
elbow.
NOTE—See Figure 1, Figure 21, Figure 22, and Figure 23.
live break connector: A separable insulated connector designed to be separated and engaged on energized
circuits under the condition of no-load. These connectors do not have a fault close rating.
loadbreak connector: A separable insulated connector designed to close and interrupt rated load current or
less on energized circuits under speci¿ed conditions. These connectors also have a fault close rating.
maximum voltage rating: The highest phase-to-ground voltage (rms) for single phase systems or phase-toground and phase-to-phase voltage (rms) for three phase systems at which a connector is designed to operate.
multi-point separable insulated connector: A device with two or more interconnected interfaces that electrically insulate, electrically shield and seal the interfaces where the interfaces are not in an elbow, straight,
nor tee con¿guration. Typical devices include multi-point junctions, portable feedthrus, feedthru inserts, loadbreak link connectors, deadbreak link connectors, and “H” and “Y” disconnectable bus connectors.
NOTE—See Figure 21, Figure 22, Figure 23, and Figure 24.
17
Copyright © 2016 IEEE. All rights reserved.
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
IEEE Standard for Separable Insulated Connector Systems for Power Distribution Systems Rated 2.5 kV through 35 kV
multi-way junction: See multi-point separable insulated connector
operating eye: An integral part of an elbow or other accessory device designed for the attachment of a liveline tool used to handle or operate the device.
operating interface: The surfaces at which a connector is normally separated.
NOTE—See Figure 1, Figure 21, Figure 22, Figure 23, and Figure 24.
parking stand feed-thru well: A multi-way junction device consisting of interconnected bushing wells that
can be mounted in a parking stand.
probe: The internal, separable, current carrying part of an elbow or insulated cap (usually in the form of a metal rod or bolt) that connects the conductor compression lug to the bushing portion of the separable connector.
reducing tap plug: An accessory device designed for the transition of a 600-A or 900-A deadbreak system to a
200 A deadbreak or loadbreak system.
NOTE—See Figure 23.
reducing tap well: A connector that provides a transition from a 600-A or 900-A elbow to a 200 A bushing
well.
NOTE—See Figure 23.
separable insulated connector: A fully insulated and shielded component used to a) terminate and insulate a
power cable, b) terminate or insulate another electrical component, or c) connect an insulated power cable to
electrical apparatus, other power cables, or both. The electrical connection can be readily established or broken by engaging or separating at the operating interface.
NOTE—There are various types of separable connectors; see Figure 1, Figure 21, Figure 22, Figure 23, and Figure 24.
short-time current rating: The designated rms current that a connector can carry for a speci¿ed, limited period of time under speci¿ed conditions.
straight plug: An in-line connector that provides a transition from a cable to a bushing interface.
NOTE—See Figure 22.
straight separable insulated connector: A device with two interconnected interfaces that electrically insulate, electrically shield and seal the interfaces where the two interfaces are in-line with each other. Typical
devices include bushing inserts, tap wells, tap plugs, connecting plugs, bushing extenders, “I” disconnectable
bus connectors and straight connectors.
NOTE—See Figure 1, Figure 21, Figure 22, Figure 23, and Figure 24.
tee separable insulated connector: A device with three interconnected interfaces that electrically insulate,
electrically shield and seal the interfaces where two interfaces are in-line with each other and the third interface is at a right angle to the ¿rst two. Typical devices include tees, tap plug tees, and tap well tees.
NOTE—See Figure 22 and Figure 23.
test point: A capacitively coupled terminal for use with voltage sensing devices.
NOTE—See Figure 1.
18
Copyright © 2016 IEEE. All rights reserved.
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
IEEE Standard for Separable Insulated Connector Systems for Power Distribution Systems Rated 2.5 kV through 35 kV
test point cap: A shielded cover for the capacitive test point.
withstand voltage: The speci¿ed voltage that, under speci¿ed conditions, can be applied to insulation without
causing Àashover or puncture.
3.2 Abbreviations and acronyms
OIACW
operating interface ac withstand
4. Service conditions
4.1 Usual service conditions
Connectors shall be suitable for use under the following service conditions:
a)
In air, including exposure to direct sunlight
b)
Buried in earth
c)
Intermittently or continuously submerged in water at a depth not exceeding 1.8 m (6 ft)
d)
Environmental temperatures within the range of í40 °C to +65 °C (loadbreak connectors can be closed
and separated within the range of í20 °C to +65 °C)
e)
Altitudes not exceeding 1800 m (6000 ft) above sea level (applicable to loadbreak connectors only)
f)
AC voltages with a frequency of 49 Hz to 61 Hz nominal
g)
Loadbreak connectors are designed, tested, and rated for use on grounded WYE systems. For applications on ungrounded WYE or delta systems, the next higher voltage class product is recommended.
They are not recommended for loadbreak applications on 35-kV ungrounded systems. For example:
5-kV ungrounded systems use 15-kV class products, 15-kV ungrounded systems use 25-kV class
products, and 25-/28-kV ungrounded systems, use 35-kV class products.
4.2 Unusual service conditions
Conditions other than those listed in 4.1 are considered to be unusual. The manufacturer should be consulted
for recommendations. (See IEEE Std 1215-2013.)
5. Ratings and characteristics
5.1 Voltage ratings and characteristics
The voltage ratings and characteristics of connectors shall be in accordance with Table 1 or Table 2.
19
Copyright © 2016 IEEE. All rights reserved.
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
IEEE Standard for Separable Insulated Connector Systems for Power Distribution Systems Rated 2.5 kV through 35 kV
Table 1—Voltage ratings and characteristics for loadbreak connectors
Withstand voltages
BIL and
full wave
(kV crest)
AC 60 Hz
for 1 min
(kV rms)
Partial
discharge
minimum
extinction
voltage
(kV rms) b
c
34
N9
d
34
N9
N9
d
N9
45
N9
c
26
N9
26
Voltage class
Maximum
voltage rating
(kV rms) a
N9
c
d
d
a
The highest steady-state voltage across the open contacts that a loadbreak connector is rated to
switch is the maximum phase-to-ground rms voltage for phase-to-ground rated devices or the
maximum phase-to-phase rms voltage for phase-to-ground/phase-to-phase rated devices.
b
Based on a sensitivity of 5 pC (see ).
c
3KDVHWRJURXQG
d
3KDVHWRJURXQGSKDVHWRSKDVH
Table 2—Voltage ratings and characteristics of deadbreak connectors
Withstand voltages
BIL and
full wave
(kV crest)
AC 60 Hz
for 1 min
(kV rms)
Partial
discharge
minimum
extinction
voltage
(kV rms) b
34
N9
N9
45
N9
26
Voltage class
Maximum
voltage rating
(kV rms) a
N9
3KDVHWRJURXQG
Based on a sensitivity of 5 pC (see ).
a
b
5.2 Current ratings and characteristics
The current ratings and characteristics of connectors shall be in accordance with Table 3 or Table 4.
Table 3—Current ratings and characteristics for loadbreak connectors
Continuous
current
rating
(A rms)
Voltage
class
All
N9
N9
Switching
current rating
Fault-closure current ratingb
Short-time current ratinga
A rms,
syma
Number of
operations
A rms,
sym
Duration
(seconds)
x/r
A rms,
sym
6
5
Duration
(seconds)
x/r
6
6
Table continues
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
Table 3—Current ratings and characteristics for loadbreak connectors (continued)
Continuous
current
rating
(A rms)
Voltage
class
Switching
current rating
A rms,
syma
N9
Number of
operations
Fault-closure current ratingb
Short-time current ratinga
A rms,
sym
A rms,
sym
Duration
(seconds)
x/r
Duration
(seconds)
x/r
Consult the manufacturer for ratings that exceed those listed in Table 3.
(TXLSPHQWWRZKLFKWKHVHDVVHPEOLHVDUHDI¿[HGPD\KDYHORZHUVDIHOLPLWVRIFXUUHQWSHUIRUPDQFH
a
b
Table 4—Current ratings and characteristics for deadbreak connectors
Voltage class
Overload
current a, b, c
4 h rating
(A rms)
A rms,
sym
Duration
(seconds)
x/r
All
6
6
All
All
Continuous
current
rating
(A rms a)
Short-time current rating
a
In general, the overload capability of a connector exceeds its continuous current rating. Overload capability varies with
environment, cable sizes, etc. The connector manufacturer's recommendations should be obtained for the particular combination involved.
b
Consult the manufacturer for ratings that exceed those listed in Table 4.
c
2QHRYHUORDGF\FOHGXULQJDKSHULRGQRWWRH[FHHGKFXPXODWLYHRYHUWKHOLIHRIWKHFRQQHFWRU
6. Construction
,GHQWL¿FDWLRQ
0DWLQJFRPSRQHQWVRIDVHSDUDEOHLQVXODWHGFRQQHFWRUVKDOOEHSHUPDQHQWO\DQGOHJLEO\LGHQWL¿HG IRUH[DPple: ink stamped, branded, or molded in) with the following information:
a)
0DQXIDFWXUHU VLGHQWL¿FDWLRQ
Company name or logo
2)
3DUWLGHQWL¿FDWLRQ
3)
Date of manufacture
b)
Continuous current rating (when applicable)
c)
Maximum voltage rating
200-A, 600-A, and 900-A deadbreak connectors: Identify with the maximum phase-to-ground
voltage rating
2)
200-A and 600-A loadbreak connectors:
i)
Three-phase: Identify with the maximum phase-to-ground/phase-to-phase voltage rating
ii)
Single-phase: Identify with the maximum phase-to-ground voltage rating
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
d)
Cable insulation diameter range (when applicable)
e)
:KHWKHUORDGEUHDNRUGHDGEUHDN ZKHQDSSOLFDEOH LQDGGLWLRQWRWKHZRUG³/2$'%5($.´HOERZV
of loadbreak connectors shall have the following markings:
&RQQHFWRUVZLWKDSKDVHWRJURXQGYROWDJHUDWLQJVKDOOEHLGHQWL¿HGZLWKDUHPRYDEOHZKLWH
EDQGIURPPPWRPP LQWRLQ ZLGHORFDWHGRQWKHFDEOHHQWUDQFHSRUWLRQRIWKH
FRQQHFWRUQRWOHVVWKDQPP LQ IURPWKHFDEOHHQWUDQFH7KHUHPRYDEOHEDQGVKDOOEH
FOHDUO\ YLVLEOH IURP WKH QRUPDO RSHUDWLQJ SRVLWLRQ DQG DI¿[HG WR PLQLPL]H LWV DFFLGHQWDO
dislodgment.
2)
f)
&RQQHFWRUV ZLWK ERWK SKDVHWRJURXQG DQG SKDVHWRSKDVH YROWDJH UDWLQJV VKDOO EH LGHQWL¿HG
ZLWKDUHPRYDEOHZKLWHEDQGIURPPPWRPP LQWRLQ ZLGHKDYLQJDFHQWHUHG
EODFNVWULSHPP“PP LQ“LQ LQZLGWKORFDWHGRQWKHFDEOHHQWUDQFHSRUWLRQ
RIWKHFRQQHFWRUQRWOHVVWKDQPP LQ IURPWKHFDEOHHQWUDQFH7KHUHPRYDEOHEDQGVKDOO
EH FOHDUO\ YLVLEOH IURP WKH QRUPDO RSHUDWLQJ SRVLWLRQ DQG DI¿[HG WR PLQLPL]H LWV DFFLGHQWDO
dislodgment.
Color-coding: In addition to the white bands of Item e), at the option of the manufacturer, the bushing
QRVHSLHFHEXVKLQJLQWHUIDFHDQGRUFXIIRIORDGEUHDNFRQQHFWRUVPD\EHLGHQWL¿HGE\DFRORUDV
VSHFL¿HGLQTable 5 or Table 6.
Table 5—200-A loadbreak connector color code
Voltage class
Reference
¿JXUH
Color
N9
Figure 5
5HG
N9
Figure 6
Blue
N9
Figure 6
Blue
N93+
)LJXUH
Off white
N93+
)LJXUH
Tan
N9
)LJXUH
*ROG
N9
)LJXUH
3XUSOH
Table 6—600-A loadbreak connector
color code
Voltage class
Reference
¿JXUH
Color
N9
)LJXUH
*UHHQ
N9
)LJXUH
Maroon
N9
)LJXUH
Maroon
N9
)LJXUH
Brown
6.2 Operating means
Separable connectors with an operating eye shall be operable by means of a suitable live-line tool that clamps
the device so that operation is along the probe axis. The required operating force over the environmental range
RIíƒ&WRƒ&VKDOOEHDVIROORZV VHH).
a)
1WR1 OEIWROEI IRUFRQQHFWRUVZLWKRXWKROGGRZQEDLOV
b)
1WR1 OEIWROEI IRUFRQQHFWRUVZLWKKROGGRZQEDLOV
22
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
,IDQRSHUDWLQJH\HLVSURYLGHGLWVKDOOVXSSRUWD1‡P OEI‡LQ URWDWLRQDOIRUFHDQGVKDOOVXSSRUWDVWDWLF
operating force as shown in 7DEOH:
Table 7—Static operating force
Force
Connector type
N
lbf
Deadbreak elbow
Loadbreak connector
2224
*URXQGLQJHOERZ
Insulated cap
2224
6.3 Shielding
Connectors shall have an electrically conductive shield and, where required, shall have provision for connecting an external ground to the shield. Except for non-elastomeric components, connectors shall meet the
UHTXLUHPHQWVRI,(((6WG
6.4 Interchangeability
Interchangeability implies that parts from one manufacturer when mated with parts of another manufacturer
meet all the applicable requirements of this standard.
Interchangeability is demonstrated when:
a)
A part meets the design tests and the dimensional requirements, as illustrated in this standard, where
applicable.
b)
,QDGGLWLRQ$DQG$ORDGEUHDNFRQQHFWRUVVKDOOGHPRQVWUDWHFRQIRUPDQFHZLWKVZLWFKLQJ
DQGIDXOWFORVH WHVWUHTXLUHPHQWVZKHQWHVWHGZLWKLQWHUPL[HGEXVKLQJVDQGHOERZVRIGLIferent manufacturers.
6.4.1 Interface dimensions
The dimensions of operating and bushing well interfaces shall be in accordance with Figure 2, Figure 3, Figure 4, Figure 5, Figure 6, )LJXUH, )LJXUH, )LJXUH, )LJXUH, )LJXUH, )LJXUH, )LJXUH, )LJXUH,
)LJXUH, and )LJXUH.
6.4.2 Stacking dimensions
Upon request, each manufacturer shall supply the dimensions in )LJXUH, Figure 22, and Figure 23. The
stacking, “S,” dimensions enable users to determine the dimensional effect of stacking components. The
mounting, “M,” dimensions enable users to determine the depth that a bushing well or integral bushing projects into the apparatus on which it is mounted. A mounting, “M,” dimension is also provided for multi-way
junction brackets.
6.5 Test point
7HVWSRLQWVDUHRSWLRQDODQGPD\EHVSHFL¿HGRQDQ\FRQQHFWRU
6.5.1 Capacitance
Test points shall be capacitively coupled to the conductor system and shield of the connector.
23
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
7KHFDSDFLWDQFHEHWZHHQWKHWHVWSRLQWDQGWKHFRQGXFWRUV\VWHPVKDOOEHDWOHDVWS)7KHUDWLRRIWKHFDpacitance between test point and shield to the capacitance between test point and conductor system shall not
H[FHHG7KHVHYDOXHVVKDOOEHYHUL¿HGE\WHVWVZKHQFRQGXFWHGLQDFFRUGDQFHZLWK.
6.5.2 Cap removal force
7KHIRUFHUHTXLUHGWRUHPRYHWKHWHVWSRLQWFDSVKDOOEHZLWKLQWKHUDQJHRI1WR1 OEIWROEI 7KH
FDSRSHUDWLQJH\HVKDOOEHFDSDEOHRIZLWKVWDQGLQJDVWDWLFRSHUDWLQJIRUFHRI1 OEI RYHUWKHHQYLURQPHQWDOWHPSHUDWXUHUDQJHRIíƒ&WRƒ& VHH).
6.6 Hold-down bails
'LPHQVLRQVDQGPDWHULDOVDUHQRWVSHFL¿HGLQWKLVVWDQGDUG
6.7 Bushing well stud torque withstand
7KH´WKUHDGHGVWXGLQWKHEXVKLQJZHOOVKDOOZLWKVWDQGDPLQLPXPWRUTXHRI1‡P IW‡OEI ZLWKRXW
stripping or fracturing (see ).
6.8 Thermal cycle withstand
1RQHODVWRPHULFFRQQHFWRUFRPSRQHQWVVKDOOZLWKVWDQGWHPSHUDWXUHF\FOLQJIURPíƒ&WRƒ&ZLWKRXW
cracking, breaking, or impairing the ability to meet the other requirements of this standard when tested according to the procedure in .
7. Testing
7.1 Production tests
The following production tests shall be performed by the manufacturer on all connector components except
grounding devices:
a)
3DUWLDOGLVFKDUJHWHVW VHH)
b)
AC withstand or full-wave impulse withstand voltage (see and )
c)
Test-point voltage test if applicable (see )
&RQQHFWRUVVKDOOEHSURSHUO\DVVHPEOHGZLWKDFWXDORUVLPXODWHGFRPSRQHQWVWKDWGXSOLFDWHWKH¿WDQGYROWDJH
stress distribution of the actual components.
%XVKLQJZHOOVPD\EHVDPSOHWHVWHGLQDFFRUGDQFHZLWK$16,$64=± 5 ]HUREDVHG
$4/VDPSOLQJSODQ
7.2 Design tests
The design tests listed in 7DEOH shall be performed by the manufacturer to demonstrate compliance of the
design with this standard. Design tests shall be performed using actual connector system components assembled according to the manufacturer’s instructions and using those materials supplied in the manufacturer’s
packaging.
24
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
Figure 1—Interface 1: typical components of 200-A separable insulated connector system
(previously Figure 1 in IEEE Std 386-2006)
25
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
)LJXUH²,QWHUIDFHD$FRQQHFWLRQFRQ¿JXUDWLRQDQGN9FODVV
26
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
)LJXUH²,QWHUIDFHD$GHDGEUHDNEXVKLQJZHOOLQWHUIDFHDQGN9
class (previously Figure 3 in IEEE Std 386-2006)
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
)LJXUH²,QWHUIDFHD$GHDGEUHDNLQWHUIDFHDQGN9FODVV SUHYLRXVO\
Figure 4 in IEEE Std 386-2006)
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
)LJXUH²,QWHUIDFHD$ORDGEUHDNLQWHUIDFHN9FODVV SUHYLRXVO\)LJXUHLQ,(((
Std 386-2006)
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
)LJXUH²,QWHUIDFH$D$ORDGEUHDNLQWHUIDFHDQGN9FODVV SUHYLRXVO\)LJXUH
in IEEE Std 386-2006)
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
)LJXUH²,QWHUIDFHD$ORDGEUHDNLQWHUIDFHN9FODVV ODUJHLQWHUIDFHSUHYLRXVO\
Figure 8 in IEEE Std 386-2006)
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
)LJXUH²,QWHUIDFHD$ORDGEUHDNLQWHUIDFHVLQJOHSKDVHN9FODVV ODUJH
LQWHUIDFHSUHYLRXVO\)LJXUHLQ,(((6WG
32
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
)LJXUH²,QWHUIDFH%D$ORDGEUHDNLQWHUIDFHN9FODVV VPDOOLQWHUIDFHSUHYLRXVO\
Figure 7 in IEEE Std 386-2006)
33
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
)LJXUH²,QWHUIDFHD$GHDGEUHDNLQWHUIDFHN9FODVV SUHYLRXVO\)LJXUHLQ
IEEE Std 386-2006)
34
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
Figure 11—Typical components of a 600- or 900-A separable insulated connector system
(previously Figure 2 in IEEE Std 386-2006)
35
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
)LJXUH²,QWHUIDFHDDQG$FRQQHFWLRQFRQ¿JXUDWLRQDQGN9
class
36
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
)LJXUH²,QWHUIDFHDDQG$GHDGEUHDNLQWHUIDFHDQGN9FODVV
(previously Figure 11 in IEEE Std 386-2006)
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
)LJXUH²,QWHUIDFHDDQG$GHDGEUHDNLQWHUIDFHDQGN9FODVV
(previously Figure 12 in IEEE Std 386-2006)
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
)LJXUH²,QWHUIDFHDDQG$GHDGEUHDNLQWHUIDFHN9FODVV SUHYLRXVO\
Figure 13 in IEEE Std 386-2006)
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
)LJXUH²,QWHUIDFHDDQG$GHDGEUHDNLQWHUIDFHN9FODVV SUHYLRXVO\
Figure 14 in IEEE Std 386-2006)
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
)LJXUH²,QWHUIDFHD$ORDGEUHDNLQWHUIDFHDQGN9FODVV
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
)LJXUH²,QWHUIDFHDDQG$GLVFRQQHFWDEOHMRLQWDQGN9FODVV
42
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
)LJXUH²,QWHUIDFHDFDEOHDGDSWHUIRUXVHZLWKDQG$DQGN9
GHDGEUHDNVHSDUDEOHLQVXODWHGFRQQHFWRUVDQGDQGN9GLVFRQQHFWDEOH
buses
43
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
Figure 20—Interface 18: a cable adapter for use with 600- and 900-A 35-kV deadbreak
separable insulated connectors
44
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
Figure 21—Stacking dimensions for a 200-A loadbreak separable insulated connector
V\VWHPDQGN9FODVV SUHYLRXVO\)LJXUHLQ,(((6WG
45
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
Figure 22—Stacking dimensions for a 200-A deadbreak separable insulated connector
V\VWHPDQGN9FODVV SUHYLRXVO\)LJXUHLQ,(((6WG
46
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
Figure 23—Stacking dimensions for a 600- and 900-A deadbreak separable insulated
FRQQHFWRUV\VWHPDQGN9FODVV SUHYLRXVO\)LJXUHLQ,(((6WG
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
)LJXUH²7\SLFDOFRPSRQHQWVDQG$DQGN9GHDGEUHDN
disconnectable buses
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
)LJXUH²7\SLFDOFRQQHFWLRQFRQ¿JXUDWLRQGLVFRQQHFWDEOHEXVHV
7.3 Test conditions
7KHIROORZLQJWHVWFRQGLWLRQVVKDOODSSO\XQOHVVRWKHUZLVHVSHFL¿HG
a)
All parts that are normally grounded shall be connected to the ground of the test circuit
b)
$PELHQWWHPSHUDWXUHVKDOOEHLQWKHUDQJHRIƒ&WRƒ&
c)
$OODFYROWDJHVVKDOOKDYHDIUHTXHQF\RI+]WR+]QRPLQDODQGVLQHZDYHVKDSHRIDFFHSWDEOH
FRPPHUFLDOVWDQGDUGVDVGH¿QHGLQ,(((6WG
d)
9ROWDJHVVKDOOEHPHDVXUHGLQDFFRUGDQFHZLWK,(((6WG
e)
All connector components included in a test shall meet the requirements of this standard.
7.4 Partial discharge test
The purpose of this test is to verify that the partial discharge minimum extinction voltage of the specimen is
not less than the value given in 7DEOH or Table 2.
7KHWHVWYROWDJHVKDOOEHUDLVHGWRDERYHWKHSDUWLDOGLVFKDUJHPLQLPXPH[WLQFWLRQYROWDJHVSHFL¿HGLQ
7DEOH or Table 2. If the partial discharge peak value exceeds 5 pC, the test voltage shall be lowered to the
SDUWLDOGLVFKDUJHPLQLPXPH[WLQFWLRQYROWDJHVSHFL¿HGLQ7DEOH or Table 2 and shall be maintained at this
OHYHOIRUDWOHDVWVEXWQRWPRUHWKDQV3DUWLDOGLVFKDUJHUHDGLQJVWDNHQGXULQJWKHLQWHUYDOVWRVVKDOO
not exceed 5 pC peak.
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
Table 8—Design tests
Test sequence a
Design test
No. samples
Individual tests
A
B
C
10
4
30 b
4 each c
12 each
–
–
–
Reference
Thermal cycle withstand
Xd
3DUWLDOGLVFKDUJHWHVW
X
X
±
±
±
AC withstand voltage
X
Xe
±
±
±
Operating interface ac withstand
±
±
±
±
X
Impulse withstand voltage
X
Xe
±
±
±
Short-time current
±
±
±
X
±
Switching
±
±
X
±
±
Fault-closure
±
±
X
±
±
Current cycling
±
±
±
±
X
±
±
X
±
±
±
Accelerated sealing life test
Cable pull-out (tensile strength)
±
±
±
X
±
Operating force
±
±
±
X
±
Operating eye
±
±
±
X
±
Test point cap
±
±
±
X
±
Test point
Xc
Xc
±
±
±
Shielding
±
±
±
X
±
Bushing well stud torque
±
±
±
X
±
Impulse withstand voltage
±
X
±
±
±
Sequence A = dielectric tests sequence.
Sequence B = accelerated life tests sequence.
Sequence C = switching tests sequence.
b
1RIDLOXUHVDUHSHUPLWWHGH[FHSWIRUVZLWFKLQJDQGIDXOWFORVXUHWHVWVLQZKLFKQRQHDUHSHUPLWWHGLQFRQVHFXWLYHVDPSOHVRIDPD[LPXPORWVL]HRI
c
Where applicable.
d
Applicable to non-elastomeric components.
e
May substitute impulse withstand voltage () for ac withstand voltage ().
a
7.5 Dielectric tests
The purpose of these tests is to verify that the insulation of the test specimen complies with the withstand voltages shown in 7DEOH or Table 2.
The test voltage shall be applied to the parts of the connector that are energized in service.
The test point, if any, shall be grounded during these tests.
7.5.1 AC withstand voltage test
7KHWHVWYROWDJHVKDOOEHUDLVHGWRWKHYDOXHVSHFL¿HGLQ7DEOH or Table 2LQQRWPRUHWKDQV7KHFRQQHFWRU
VKDOOZLWKVWDQGWKHVSHFL¿HGWHVWYROWDJHIRUPLQZLWKRXWÀDVKRYHURUSXQFWXUH
7.5.2 Operating interface ac withstand (OIACW) test
7KLVWHVWLVLQDGGLWLRQWRDOORWKHUUHTXLUHPHQWVRIWKLVVWDQGDUG,WLVDSSOLFDEOHWRDQ\RUN9
connector or device that is designed to have the capability of being separated while energized, including but
not limited to:
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
—
$ORDGEUHDNGHYLFHV
—
$FFHVVSRUWVPROGHGLQWRFRQQHFWRUV VHHGH¿QLWLRQ DQGDQ\LQVXODWLYHRUWHVWDFFHVVRU\GHYLFHXVHG
with such ports;
—
$OLYHEUHDNRUORDGEUHDNFRQQHFWRUV
The purpose of this test is to demonstrate that loadbreak and livebreak separable connectors or devices are
FDSDEOHRISHUIRUPLQJDQRSHQLQJRSHUDWLRQXQGHUH[SHFWHG¿HOGFRQGLWLRQVZLWKRXWDÀDVKRYHUWRJURXQG
All separable connectors or devices, designed to be operated while energized shall pass the requirements of
WKLVWHVW7KHFRQQHFWRUFRPSRQHQWGHVLJQHGWRSUHYHQWSDUWLDOYDFXXPÀDVKRYHUVVKDOODOVRGHPRQVWUDWHWKH
ability to meet the requirements of this test when tested with mating components from other manufacturers
where applicable.
If necessary, operating interfaces under test can be cleaned with a laboratory grade of isopropyl alcohol (2-proSDQRO $IWHUFOHDQLQJWKHVDPSOHVVKDOOGU\IRUDPLQLPXPRIPLQEHIRUHDVVHPEO\WRDOORZWKHFOHDQLQJ
solvent to evaporate from the interface.
Further preparation of the samples shall follow Option A or Option B as follows:
Option A: The operating interfaces shall be free of any lubrication. Twelve separable connectors or
GHYLFHVWREHHYDOXDWHGVKRXOGKDYHWHVWFDEOHLQVWDOOHGZKHUHDSSURSULDWHDQGEHDVVHPEOHGRQWR
PDWLQJFRQQHFWRUVRUFRPSRQHQWVDWDQDPELHQWWHPSHUDWXUHRIƒ&“ƒ&
Option B: The operating interfaces shall be lubricated according to the manufacturers’ instructions
with the complete contents of the packet of silicone grease supplied with the elbow or insulated cap.
Twelve separable connectors or devices to be evaluated should have test cable installed where approSULDWHDQGEHDVVHPEOHGRQWRPDWLQJFRQQHFWRUVRUFRPSRQHQWVDWDQDPELHQWWHPSHUDWXUHRIƒ&
“ƒ&+HDWDJHDOOVDPSOHVDWƒ&“ƒ&IRUWKUHHZHHNV
$IWHU2SWLRQ$RU2SWLRQ%FKLOOWKHFRQQHFWRUDVVHPEOLHVLQDFROGFKDPEHUDWíƒ&WRíƒ&IRUDPLQLPXPRIK5HPRYHRQHFRQQHFWRUDVVHPEO\DWDWLPHIURPWKHFROGFKDPEHUDQGPRXQWWKHDVVHPEO\WR
a grounded test stand. Attach ground leads to the external shields of the connector. Adjacent grounds are not
UHTXLUHG7KLVFRQGLWLRQLQJPD\EHSHUIRUPHGDWíƒ&WRƒ&IRUDQ\FRQQHFWRURUGHYLFHWKDWLVWREHPDWHG
IRUOHVVWKDQKLQDQ\¿HOGDSSOLFDWLRQVVXFKDVGLUHFWWHVWSUREHV
The test circuit parameters shall be in accordance with Figure 26 using a test voltage as stated in .
6HSDUDWHWKHFRQQHFWRURUGHYLFHDVVHPEO\IURPWKHEXVKLQJZLWKLQPLQDIWHUUHPRYDOIURPWKHFROGFKDPber. The opening operation shall be performed with a positive continuous motion applied manually or by a
PHFKDQLFDODFWXDWRUZLWKDQDYHUDJHRSHUDWLQJVSHHGGXULQJWKHLQLWLDOFP LQ RIWUDYHORIFPV
“FPV LQV“LQV 7KHIRUFHVKDOOEHDSSOLHGWRWKHRSHUDWLQJH\HRIWKHFRQQHFWRUXVLQJDVXLWDEOHOLYH
line tool or equivalent device.
(DFKRIWKHFRQVHFXWLYHDVVHPEOLHVVKDOOZLWKVWDQGRQHRSHQLQJRSHUDWLRQXQGHUWKHVSHFL¿HGFRQGLWLRQV
ZLWKRXWÀDVKRYHUWRJURXQGRULPSDLUPHQWRIWKHFRQQHFWRU¶VDELOLW\WRPHHWWKHRWKHUUHTXLUHPHQWVRIWKLV
standard.
7.5.2.1 Operating interface ac withstand (OIACW) levels
The OIACW levels are as follows:
OIACW Level 1 Combination: a pair of mating loadbreak or livebreak separable insulated connectors
from at least one manufacturer that meet the test requirements of XVLQJDWHVWYROWDJHRI
times rated phase-to-ground voltage shown in 7DEOH or meet the exclusion criteria of .
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
OIACW Level 2 Combination: a pair of mating loadbreak or livebreak separable insulated connectors
from at least one manufacturer that meet the test requirements of XVLQJDWHVWYROWDJHRI
times rated phase-to-ground voltage shown in 7DEOH.
Figure 26—Circuit diagram for operating interface ac withstand test
7.5.2.2 Exclusions
5HJDUGLQJWKHVL[ORDGEUHDNLQWHUIDFHVFigure 5, Figure 6, )LJXUH, )LJXUH, )LJXUH, and )LJXUH, only
products conforming to the interfaces of Figure 6 and )LJXUHKDYHKDG¿HOGUHSRUWHGSDUWLDOYDFXXPUHODWHG
ÀDVKRYHUV([SHULHQFHLQGLFDWHVSURGXFWGHVLJQVFRQIRUPLQJWRFigure 5, )LJXUH, and )LJXUH appear to
SURYLGHVXI¿FLHQWYROWDJHZLWKVWDQGDORQJWKHRSHUDWLQJLQWHUIDFHE\YLUWXHRIHLWKHUORZHURSHUDWLQJYROWDJH
RUORQJHUÀDVKRYHUSDWKVWRSUHFOXGHHOHFWULFDOGLVFKDUJHDQGVXEVHTXHQWÀDVKRYHU7KHUHIRUHQRWHVWLQJWR
this clause is required if the operating interface of the particular connector or device has a calculated electrical
VWUHVVDORQJWKHÀDVKRYHUSDWKRIQRWPRUHWKDQN9FP N9LQ GHWHUPLQHGDVWKHVLG voltage noted in
7DEOH divided by the shortest strike distance between the energized and grounded components. All connector
FRPELQDWLRQVWKDWPHHWWKHH[FOXVLRQFULWHULDVKDOOEHGHHPHG2,$&:/HYHO&RPELQDWLRQV
7.5.2.3 Report
)RUHDFK2,$&:/HYHODQGFRPELQDWLRQWKHPDQXIDFWXUHUVKDOOUHSRUW
a)
3DUWQXPEHUPDQXIDFWXUHUDQGYLQWDJHRIERWKPDWLQJORDGEUHDNRUOLYHEUHDNVHSDUDEOHLQVXODWHG
connectors
b)
The preparation and aging option used: Option A or Option B
52
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
c)
The cold chamber temperature
d)
7KHVSHFL¿FWHVWFRQGLWLRQVXVHG
e)
The actual circuit parameters used
7.5.3 Impulse withstand voltage test (BIL)
7KHWHVWYROWDJHVKDOOEH—VZDYHKDYLQJWKHFUHVWYDOXH %,/ VSHFL¿HGLQ7DEOH or Table 2. The wave
shape shall meet the requirements of IEEE Std 4. The wave shape tolerance shall be as shown in 7DEOH.
3ULRUWRDSSOLFDWLRQRIWKH¿UVWIXOOZDYHLPSXOVHSUHFRQGLWLRQLQJSXOVHVDWDQGWKHQDWRIWKH%,/
and full-wave value shown in 7DEOH or Table 2 may be applied to the closed connector. During a change of
polarity, the preconditioning pulse sequence may again be applied.
7KHFORVHGFRQQHFWRUVKDOOZLWKVWDQGWKUHHSRVLWLYHDQGWKUHHQHJDWLYHIXOOZDYHLPSXOVHVZLWKRXWÀDVKRYHU
or puncture. When the impulse withstand test is used as a production test, the connector shall withstand one
full-wave impulse of each polarity without the application of preconditioning pulses.
Table 9—Impulse wave shape tolerances
Measured quantity
Tolerance (%)
3HDNYDOXH
“
Front time
“
Time to half value
“
7.6 Short-time current test
The purpose of this test is to verify that the connector is capable of withstanding short-time current of the magnitudes and durations shown in Table 3 or Table 4.
The connector shall be mounted in a manner approximating service conditions. Hold-down bails shall be used
ZLWK$GHDGEUHDNHOERZV
Short-time current tests may be made at any voltage up to the rated voltage of the connector.
7KHSHDNYDOXHRIWKH¿UVWPDMRUORRSRIDFXUUHQWZDYH VHH)LJXUH) shall be not less than the value speci¿HGLQTable 3 (loadbreak connectors) or Table 4 GHDGEUHDNFRQQHFWRUV PXOWLSOLHGE\ ( X R = 6) for
$FRQQHFWRUVRU ( X R = 20) IRUDQG$FRQQHFWRUV7KHPDJQLWXGHVKDOOEHPHDVXUHGLQ
DFFRUGDQFHZLWK,(((6WG&
NOTE—)RUDGHVFULSWLRQRIWKH;55DWLRVVHH,(((6WG&±$QQH[$)RUWKHVWDQGDUGPHWKRGVIRUGHWHUPLQLQJWKHYDOXHVRIDVLQXVRLGDOFXUUHQWZDYHVHH,(((6WG&±$QQH[-
Connectors shall withstand the current without separation of interfaces or impairing the ability to meet the
other requirements of the standard.
7.7 Switching test
This test is applicable to loadbreak connectors only. The purpose of this test is to verify that the loadbreak connector is capable of closing and interrupting the rated switching current and rated number of operations given
in Table 3.
53
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
Figure 27—Short time-current waveform
The connector shall withstand the rated number of switching operations per Table 3 under the conditions listed in )LJXUH and 7DEOH without arcing to ground or impairing its ability to meet the other requirements
of this standard. A complete switching operation shall consist of connecting and disconnecting. Appropriate
ground-fault detection equipment shall be used for all tests. The last switching operation shall be recorded by
an oscillogram.
Table 10—Voltage conditions for switching test
Voltage
Class
Connector
voltage
rating
(kV rms)a
Figure 28 test voltage
V1
(–0 to +3%)
V2
(–0 to +3%)
Test circuit
diagram
required
(see Figure 28)
N9
±
B
N9
A
N9
±
B
N9
26.3
A
N9
A
N9
±
B
N9
36.6
A
The highest steady-state voltage across the open contacts that a loadbreak connector is rated to
switch is the maximum phase-to-ground rms voltage for phase-to-ground rated devices and the
maximum phase-to-phase rms voltage for phase-to-ground/phase-to-phase rated devices.
a
7.7.1 Mounting preparation of loadbreak connectors for switching tests
The connector shall be mounted with all normally grounded parts grounded in a manner closely approximating normal service conditions. Adjacent grounds, in the form of connector systems of the same type as the one
being tested, shall be mounted and appropriately grounded on each side of the connector under test at the distance shown in 7DEOH. If hold-down bails are used, these shall be installed as in normal service.
54
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
Table 11—Ground plane spacing for switching and fault-closure tests
Connector
Voltage rating
(kV rms)
200-A Maximum center-to-center spacing
600-A Maximum center-to-center spacing
mm
in
mm
in
5
5
4
5
4
5
4
5
5
5
NOTE—Tests shall be conducted with adjacent grounds exposed as in normal service.
7.7.2 Operating procedures for switching test
The loadbreak connector under test shall be operated manually using a suitable live-line tool or an equivalent
mechanical actuator. The operator shall maintain a minimum dwell time of 5 s after the probe is positioned in
the arc extinguishing area of its mating part. The operator shall perform the closing and opening operations
using a positive, continuous motion so as not to tease the contacts. Mechanical actuators shall be designed to
perform switching operations at velocities typical of human operators. The recommended average switching
VSHHGLVPVWRPV LQVWRLQV The test samples shall be operated using the series or parallel method of switching. The test samples are connected in series for the series method with two operators performing the switching. One operator closes one
of the samples while the other operator opens the other test sample. For the parallel method of switching, one
operator is used and a rapid make/break operation is performed on one or more samples connected in parallel.
All manufacturers shall state in their test reports the method of switching used.
Time between closing and opening of the test connector shall allow steady-state voltage and current conditions
to be achieved prior to opening. Successive switching operations of the same test connector shall be performed
DWDWLPHLQWHUYDORIQRWOHVVWKDQPLQ
For recommended operating practices that should be observed during these tests reference 6.3 in
,(((6WG
7.7.3 Connectors considered as no-test during switching
For purposes of this subclause, a no-test is a connector that is excluded from the results without affecting
WKH¿QGLQJVDQGGRHVQRWFRXQWDJDLQVWWKHVDPSOHORWRI$FRQQHFWRULVFRQVLGHUHGWREHDQHOERZLQVHUW
combination.
A connector may be declared a no-test as a result of permanent damage to the connector or other test anomalies. Examples of reasons to replace a test sample include the following:
a)
The elbow probe misses the throat of the bushing insert during the close operation causing a direct
JURXQGIDXOWDQGIDLOXUHRIWKHFRQQHFWRU9ROWDJHDQGFXUUHQWWUDFHVVKDOOLQGLFDWHWKDWWKHUHZDVQR
load current prior to the ground fault.
b)
A test equipment failure during the switching operation results in damage to the test sample. If the
connector is undamaged it shall continue to be tested.
55
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
127(²&DUHVKDOOEHH[HUFLVHGLQWKHVHOHFWLRQDQGFRQQHFWLRQRILQVWUXPHQWWUDQVIRUPHUVWRDYRLGVLJQL¿FDQWO\DOWHUing the wave shape, magnitude, or duration of transient voltages or current normally associated with the test circuit.
NOTE 2—The switching rating may be achieved with the test circuit.
NOTE 3—Series impedance, which may include source impedance, may appear on either side of the loadbreak connector.
Figure 28—Circuit diagrams for switching current tests
c)
The operator, for some reason unrelated to the test sample, is unable to complete the open or close operation in one continuous motion resulting in excessive arcing time or a ground fault.
d)
7KHORDGFXUUHQWGXULQJRQHRIWKHVZLWFKLQJRSHUDWLRQVH[FHHGVWKHVSHFL¿HGOHYHOE\PRUHWKDQ
e)
,IWKHORDGFXUUHQWGXULQJRQHRIWKHVZLWFKLQJRSHUDWLRQVLVOHVVWKDQWKHVSHFL¿HGOHYHOWKHVDPple can be declared a no-test or an additional operation can be performed on the connector.
f)
$WHVWVDPSOHDGMDFHQWWRDFRQQHFWRUEHLQJVZLWFKHGLVGDPDJHGE\DÀDVKRYHUIURPWKHFRQQHFWRU
being switched. For example: Connector A is mounted adjacent to Connector B. Connector A, while
56
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
EHLQJRSHUDWHGÀDVKHVRYHUWKXVGDPDJLQJ&RQQHFWRU%'DPDJHG&RQQHFWRU%PD\EHGHFODUHGD
no-test.
g)
:KHQUHFRUGLQJHTXLSPHQWIDLOVWRUHFRUGDWUDFHRQWKHWKVZLWFKLQJRSHUDWLRQDQGWKHUHLVQRHYLdence that a ground fault occurred.
When a connector is declared a no-test, a new connector may be added to the end of the test lot. The test
VHTXHQFHRIWKHFRQQHFWRUVVKDOOQRWEHFKDQJHG)RUH[DPSOH&RQQHFWRUVWKURXJKSDVV&RQQHFWRULV
GHFODUHGDQRWHVWDQG&RQQHFWRUVWKURXJKSDVV,QWKLVH[DPSOHDFRQQHFWRUPD\EHDGGHGDWWKHHQG
DV&RQQHFWRUZLWKRXWFKDQJLQJWKHVHTXHQFH,QWKLVH[DPSOHWKHFRQQHFWRUFRPELQDWLRQKDVDFKLHYHG
passes in a row.
A connector shall not be declared a no-test if the breaker interrupts the current without a fault prior to the connector under test interrupting the current provided there is no permanent damage to the connector. For such an
occurrence, the test cycle on the connector shall be repeated.
7.7.4 Interpretation of 10 consecutive connectors with no-tests
When a connector is excluded as a no-test and a connector is added at the end of the lot, the total number of
FRQQHFWRUVLQWKHORWLVOLPLWHGWR7KHQXPEHULQJRIWKHFRQQHFWRUVVKDOOQRWEHFKDQJHGH[FHSWWRLQGLFDWH
the addition of the connector at the end of the lot. For successful completion of the tests, no failures are permitWHGLQDJURXSRIFRQVHFXWLYHFRQQHFWRUVLQWKHWHVWORW
7KHUHTXLUHPHQWWRVXFFHVVIXOO\VZLWFKFRQVHFXWLYHFRQQHFWRUVVKDOOEHPHWE\KDYLQJQRIDLOXUHVLQD
JURXSRIFRQVHFXWLYHVDPSOHVH[FHSWWKDWDFRQQHFWRUH[FOXGHGDVQRWHVWGRHVQRWLQWHUUXSWWKHFRQVHFXWLYH
JURXSLQJ7KHJURXSRIFRQVHFXWLYHVDPSOHVVKDOOQRWEHPDGHE\DVVRFLDWLQJ OLQNLQJ WKHODVWFRQQHFWRULQ
WKHORWWRWKH¿UVWFRQQHFWRULQWKHORW
7.8 Fault-closure test
This test is applicable to loadbreak connectors only. The purpose of the test is to verify that the connector is
capable of closing on the fault current given in Table 3. Mechanical actuators shall not be used for fault close
testing.
)DXOWFORVXUHWHVWVVKDOOEHFRQGXFWHGRQFRQQHFWRUVIURPWKHORWWKDWKDVSDVVHGWKHVZLWFKLQJWHVW $Q\
FRQQHFWRUIURPWKLVORWWKDWKDVVXFFHVVIXOO\FRPSOHWHGVZLWFKLQJRSHUDWLRQVPD\EHXVHGLQWKHIDXOWFORsure test and shall be used in the same sequence in both tests. The test conditions shall be as shown in 7DEOH
and )LJXUH$WOHDVWRQHFRQQHFWRUVKDOOEHFORVHGDWDQLQVWDQWZKHQWKHYROWDJHLVRUPRUHRILWVSHDN
value.
Table 12—Voltage conditions for fault-closure test
Connector
voltage
rating
(kV rms)
Figure 29 test voltage
(kV rms)
V1
V2
Test circuit
diagram
required
(see Figure 29)
±
B
4.2
A
±
B
26.3
A
A
±
B
36.6
A
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
7KHVDPSOHORWVXFFHVVIXOO\SDVVHVWKHIDXOWFORVXUHWHVWLIFRQVHFXWLYHVDPSOHVPHHWWKHIROORZLQJFULWHULD
a)
Oscillograms show no external ground current
b)
All parts remain within the closed connector assembly
Connectors need not be operable after this test. Mounting preparation of the loadbreak connector shall be the
VDPHDVVSHFL¿HGLQ.
NOTE—Any circuit that duplicates the voltages V and V2 and the conditions in Table 3 are acceptable for conducting the
fault-closure test.
VLVWKHUHTXLUHGYROWDJHDFURVVFRQWDFWVSULRUWRÀRZRIIDXOWFXUUHQW
V2LVWKHUHTXLUHGYROWDJHIURPHDFKFRQWDFWWRDOOQRUPDOO\JURXQGHGVXUIDFHVGXULQJÀRZRIIDXOWFXUUHQW
Figure 29—Circuit diagrams for fault-closure tests
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
7.8.1 Connectors considered as no-test during fault closure
For purposes of this section, a no-test is a connector that is excluded from the results without affecting the
¿QGLQJV
A connector pair may be declared a no-test as a result of permanent damage to the connector. The following are
some examples of reasons to replace a test sample:
a)
&DEOHIDLOXUHVZKHUHLWLVYHUL¿HGE\FXUUHQWDQGYROWDJHWUDFHVDQGRUSK\VLFDOHYLGHQFHWKDWDJURXQG
fault was the result of the cable failure.
b)
(TXLSPHQWPDOIXQFWLRQVLQFOXGLQJEUHDNHUWLPLQJHUURUVZKHUHLWLVYHUL¿HGE\FXUUHQWDQGYROWDJH
WUDFHVDQGRUSK\VLFDOHYLGHQFHWKDWJURXQGFXUUHQWZDVQRWÀRZLQJSULRUWRWKHPDOIXQFWLRQLQFOXGLQJWLPLQJHUURUVWKDWGRQRWPHHWWKHF\FOHPLQLPXPUHTXLUHPHQWDQGWKHIDXOWFXUUHQWGXULQJRQH
RIWKHRSHUDWLRQVLVOHVVWKDQWKHVSHFL¿HGOHYHO
c)
2SHUDWRUHUURUGXULQJWKHFORVHRSHUDWLRQFDXVLQJDGLUHFWJURXQGIDXOWZKHUHLWLVYHUL¿HGE\YROWDJH
and current traces that there was no current through the connector prior to the ground fault.
d)
The elbow probe misses the throat of the bushing during the close operation causing a direct ground
IDXOWDQGIDLOXUHRIWKHFRQQHFWRU9ROWDJHDQGFXUUHQWWUDFHVVKDOOLQGLFDWHWKDWWKHUHZDVQRWHVWFXUrent prior to the ground fault.
e)
The operator, for some reason unrelated to the test sample, is unable to complete the close operation in
one continuous motion resulting in a ground fault.
&RQQHFWRUVWKDWIDLODIWHUWKHF\FOHWHVWSHULRGEHFDXVHRIEUHDNHUWLPLQJHUURUVWKDWDOORZWKHFXUUHQWWR
ÀRZIRUPRUHWKDQF\FOHVDUHFRQVLGHUHGWRKDYHSDVVHG
:KHUHRSHUDWRUHUURUVRUHTXLSPHQWPDOIXQFWLRQVGRQRWLQYROYHWKHFRQQHFWRUVDQGQRFXUUHQWKDVÀRZHG
WKURXJKWKHWHVWVDPSOHDVYHUL¿HGE\WKHYROWDJHDQGFXUUHQWWUDFHVWKHIDXOWFORVHVKDOOEHUHSHDWHGRQWKH
connector.
When a connector is declared a no-test, a connector that passed the previous switching test may be added to the
HQGRIWKHWHVWORW7KHWHVWVHTXHQFHRIWKHFRQQHFWRUVVKDOOQRWEHFKDQJHG)RUH[DPSOH6DPSOHVWKURXJK
SDVVWKHWKLVGHFODUHGDQRWHVWDQGWKHWKWKURXJKWKHWKSDVV,QWKLVH[DPSOHDFRQQHFWRUWKDWSDVVHG
SUHYLRXVVZLWFKLQJWHVWVPD\EHDGGHGDWWKHHQGDV&RQQHFWRUZLWKRXWGLVWXUELQJWKHVHTXHQFH,QWKLVH[ample, the connector combination has achieved eight in a row for fault close thus far.
7.8.2 Interpretation of 10 consecutive connectors with no-tests
7KHLQWHUSUHWDWLRQRIFRQVHFXWLYHVXFFHVVIXOIDXOWFORVHFRQQHFWRUVVKDOOEHLQWHUSUHWHGDVGHVFULEHGLQ
.
7.9 Current-cycling test for uninsulated components of 600-A and 900-A
connectors
The purpose of this test is to demonstrate the ability of the uninsulated components of the connector system to
maintain their required continuous current-carrying capability when subjected to cyclical loads.
7HVWVVKDOOEHFRQGXFWHGLQDFFRUGDQFHZLWK$16,&$NFPLODOXPLQXPFRQGXFWRUVKDOOEHXVHGIRU
$FRQQHFWRUV$NFPLOFRSSHUFRQGXFWRUVKDOOEHXVHGIRU$FRQQHFWRUV
The test shall be made without insulation on the conductor or current-carrying parts of the connector to avoid
any deterioration of the insulation that may otherwise occur at the maximum temperature of this test.
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
The conductor system shall meet the requirements given for Class A connectors in ANSI C119.4.
7.10 Current-cycling test for 200-A insulated connectors
7.10.1 Accelerated thermal test
The purpose of this accelerated test is to demonstrate that 200-A insulated connectors can carry rated current
under usual service conditions. Successful completion of this test shall be considered as evidence that the connector meets its rating.
A control cable, used for the purpose of obtaining conductor temperature, shall be installed in the heat cycle
loop between two equalizers. Its length shall be 183 cm (72 in). The control cable shall be the same type and
size as the cable used to join the connectors under test.
Four connectors shall be assembled in series on No. 1/0 AWG insulated aluminum conductors having a length
of 91 cm (36 in). The cable insulation thickness shall be selected according to its voltage class (see Table 13).
The cable used shall be unjacketed without metallic shield.
Equalizers used shall be in accordance with ANSI C119.4.
Table 13—Cable insulation thickness and conductor de¿nition for 7.10, 7.11, and 7.12
Voltage rating
(kVL-L rms)
Cable nominal
insulation
thickness (mils)
15
175 to 220
25
260 to 280
28
260 to 280
35
345
Conductor size and material
200-A rated
connectors
600-A rated
connectors
900-A rated
connectors
1/0
aluminum
750-kcmil
aluminum
750-kcmil
cooper
The bushing bus shall be a Àat, rectangular, bus bar 356-mm (14-in) long, 102-mm (4-in) wide, and 10-mm
(3/8-in) thick. The bushing wells shall be mounted 31-cm (12-in) apart centered along the midline of the bus
bar. The bushing well studs shall be tightened to the bus bar using an installation torque of 9 N•m ±1 N•m (80
lbf•in ±10 lbf•in).
Unless otherwise speci¿ed by the manufacturers, the elbow male contact probe shall be threaded into the elbow compression lug using an installation torque of 13.56 N•m ±0.5 N•m (120 lbf•in ±5 lbf•in).
Current-cycling tests shall be conducted at an ambient temperature of 15 °C to 35 °C in a space free of external
or forced drafts.
The current-cycle amperes shall be adjusted during the current-on period of the ¿rst ¿ve cycles to result in
a steady-state temperature rise of 100 °C to 105 °C on the control conductor. This current shall then be used
during the remainder of the test current-on periods, regardless of the temperature of the control conductor.
The test shall consist of 50 current cycles, with the current on 4 h and off 2 h for each cycle. At the end of each
current-on cycle, the assembly shall be de-energized and within 3 min be submerged in water at 5 °C ±5 °C
for the remainder of the current-off cycle. At the end of the 10th, 25th and 40th cycles (± 2 cycles), after the
samples have returned to room temperature, a short-time ac current of 3500 A ±300 A rms shall be applied to
each sample for a minimum of 3 s.
The temperature of at least the following current transfer points shall be measured at the end of each cycle with
the current on the following:
60
Copyright © 2016 IEEE. All rights reserved.
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
IEEE Standard for Separable Insulated Connector Systems for Power Distribution Systems Rated 2.5 kV through 35 kV
a)
3UREHWRFRPSUHVVLRQOXJ
b)
3UREHWRIHPDOHFRQWDFW
c)
Female contact structure to metallic housing (piston contact)
d)
Between bushing insert and bushing well
These temperatures shall not exceed the temperature of the control conductor.
The temperature differences between the control conductor and the connector shall show a condition of stabilLW\IURPWKH¿IWKF\FOHWRWKHHQGRIWKHWHVW6WDELOLW\LVLQGLFDWHGZKHQWKHFKDQJHLQWKHLQGLYLGXDOGLIIHUHQFHV
LVQRWPRUHWKDQƒ&IURPWKHDYHUDJHRIWKHPHDVXUHGGLIIHUHQFHVLQWKLVLQWHUYDOIRUWKLVFRQQHFWRU
7KHGFUHVLVWDQFHRIWKHFRQQHFWRUV\VWHPVKDOOEHPHDVXUHGDWWKHHQGRIF\FOHVDQG “F\cles). The dc resistance measurements shall be made between the elbow cable equalizer and the bushing stud
after the connector system has stabilized at ambient temperature. Ambient temperature shall be measured by
GHYLFHVORFDWHGZLWKLQFP IW RIWKHWHVWORRSEXWLQDORFDWLRQWKDWPLQLPL]HVWKHHIIHFWRIWKHUPDOFRQvection. The ambient temperature shall be recorded at the same time as each set of resistance measurements,
DQGWKHUHVLVWDQFHVKDOOEHFRUUHFWHGWRƒ&7KHGFUHVLVWDQFHVKDOOEHVWDEOHRYHUWKHSHULRGRIPHDVXUHPHQW
Stability is achieved when any resistance measurement, including allowance for instrument accuracy, does not
YDU\PRUHWKDQ“IURPWKHDYHUDJHRIDOOWKHPHDVXUHPHQWVLQWKLVLQWHUYDO
7.10.2 Thermal test with off-axis operation
7KHSXUSRVHRIWKLVWHVWLVWRGHPRQVWUDWHWKDWORDGEUHDNDQGGHDGEUHDN$FRQQHFWRUVFDQFDUU\UDWHGORDG
current after being subjected to an off-axis operating force. Successful completion of these tests shall be considered as evidence that the connector meets its rating.
(DFKFRQQHFWRUVKDOOEHVXEMHFWHGWRVL[F\FOHVHDFKFRQVLVWLQJRIDPHFKDQLFDORSHUDWLRQDVVSHFL¿HGLQ
DQGFXUUHQWF\FOLQJDVVSHFL¿HGLQ.
7KHHOERZVKDOOEHDVVHPEOHGZLWKDPP LQ ZLGHSXOOLQJEDQGDVVKRZQLQ)LJXUH, for applicaWLRQRIDQRIID[LVIRUFH*URXQGLQJWDEVRURWKHUREVWUXFWLRQVPD\EHUHPRYHGWRDSSO\WKHSXOOLQJEDQG1R
provision is made for an off-axis closing force since it is not consistently reproducible.
)RXUFRQQHFWRUVVKDOOEHDVVHPEOHGLQVHULHVRQ1R$:*LQVXODWHGDOXPLQXPFRQGXFWRUVKDYLQJDOHQJWK
RIFP LQ 7KHFDEOHLQVXODWLRQWKLFNQHVVVKDOOEHVHOHFWHGDFFRUGLQJWRLWVYROWDJHFODVV VHH7DEOH).
7.10.2.1 Mechanical operation
7KHHOERZVKDOOEHURWDWHGDERXWWKHSUREHD[LVDPLQLPXPRIƒLQERWKWKHFORFNZLVHDQGFRXQWHUFORFNZLVH
directions by means of a suitable live-line tool. The tool shall be approximately parallel with the axis of the
probe.
7KHFRQQHFWRUVKDOOWKHQEHRSHQHG¿YHWLPHVZLWKWKHIRUFHDSSOLHGWRWKHSXOOLQJEDQGDQGFORVHG¿YHWLPHV
with the force applied to the operating eye. The force required to open or close the elbow shall be parallel to the
D[LVRIWKHSUREH7KHDSSOLHGIRUFHVKDOOEHVXI¿FLHQWWRFRPSOHWHO\FORVHWKHFRQQHFWRU
7.10.2.2 Current-cycling test
A control cable, used for the purpose of obtaining conductor temperature, shall be installed in the current-cyFOLQJORRSEHWZHHQWZRHTXDOL]HUV,WVOHQJWKVKDOOEHFP LQ 7KHFRQWUROFDEOHVKDOOEHWKHVDPHW\SH
and size as the cable used to join the connectors under test.
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
Figure 30—Thermal test with off-axis operation (7.10.2)
7KHFXUUHQWVKDOOEHDGMXVWHGVRWKDWWKHWHPSHUDWXUHRQWKHFRQGXFWRURIWKHFRQWUROFDEOHLVƒ&“ƒ&7KH
current shall be applied for eight continuous cycles, each cycle consisting of 3 h on and 3 h off.
(TXDOL]HUVXVHGVKDOOEHLQDFFRUGDQFHZLWK$16,&
&XUUHQWF\FOLQJWHVWVVKDOOEHFRQGXFWHGDWDQDPELHQWWHPSHUDWXUHRIƒ&WRƒ&LQDVSDFHIUHHRIH[WHUQDO
or forced drafts.
The temperature shall be measured by thermocouples located as follows:
a)
At the compression lug
b)
At the approximate midpoint of the bushing contact or as near thereto as practical
c)
On the conductor surface at the midpoint of the control cable
The temperature at location a) and location b) shall not exceed the temperature of the conductor of the cable at
ORFDWLRQF ZKHQPHDVXUHGGXULQJWKH¿QDOF\FOHRIHDFKF\FOHVHW
7.11 Current-cycling test for 600-A and 900-A insulated connectors
7KHSXUSRVHRIWKLVWHVWLVWRGHPRQVWUDWHWKDW$DQG$LQVXODWHGFRQQHFWRUVFDQFDUU\UDWHGFXUUHQW
under usual service conditions. Successful completion of this test shall be considered as evidence that the connector meets its rating.
A control cable, used for the purpose of obtaining conductor temperature, shall be installed in the current- cyFOLQJORRSEHWZHHQWZRHTXDOL]HUV,WVOHQJWKVKDOOEHFP LQ 7KHFRQWUROFDEOHVKDOOEHWKHVDPHW\SH
as the cable used to join the connectors under test.
62
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
)RXUFRQQHFWRUVVKDOOEHDVVHPEOHGLQVHULHVRQNFPLOLQVXODWHGFRQGXFWRUVKDYLQJDOHQJWKRIFP in). The cable insulation thickness shall be selected according to its voltage class (see 7DEOH )RU$
FRQQHFWRUVWKHFDEOHFRQGXFWRUPDWHULDOVKDOOEHDOXPLQXPDQGIRU$FRQQHFWRUVWKHFDEOHFRQGXFWRU
material shall be copper.
(TXDOL]HUVXVHGVKDOOEHLQDFFRUGDQFHZLWK$16,&
&XUUHQWF\FOLQJWHVWVVKDOOEHFRQGXFWHGDWDQDPELHQWWHPSHUDWXUHRIƒ&WRƒ&LQDVSDFHIUHHRIH[WHUQDO
or forced drafts.
7KHFXUUHQWF\FOHDPSHUHVVKDOOEHDGMXVWHGWRUHVXOWLQDVWHDG\VWDWHWHPSHUDWXUHRIƒ&“ƒ&RQWKHVXUface of the conductor of the control cable. The temperature shall be measured at the approximate center of the
control cable.
7KHWHVWVKDOOFRQVLVWRIFXUUHQWF\FOHVZLWKWKHFXUUHQWRQKDQGRIIKIRUHDFKF\FOH7KHWHPSHUDWXUHRI
WKHKRWWHVWVSRWRIWKHFRQQHFWRUVKDOOEHPHDVXUHGHYHU\F\FOHVDQGVKDOOQRWH[FHHGWKHWHPSHUDWXUHRIWKH
conductor of the control cable.
7.12 Accelerated sealing life test
The purpose of this test is to demonstrate that the connector can maintain a long-term seal at all interfaces to
prevent the entrance of moisture.
,IWKHFRQQHFWRULVGHVLJQHGIRUXVHRQFDEOHIRXUVDPSOHVVKDOOEHDVVHPEOHGRQ1R$:*DOXPLQXP
FDEOHZLWKMDFNHWUHPRYHGIRU$FRQQHFWRUVNFPLODOXPLQXPFDEOHZLWKMDFNHWUHPRYHGIRU$
FRQQHFWRUVDQGNFPLOFRSSHUFDEOHZLWKMDFNHWUHPRYHGIRU$FRQQHFWRUV7KHFDEOHLQVXODWLRQWKLFNness shall be selected according to its voltage class (see 7DEOH).
The cable shall be compatible with the thermal conditions of this test. For connectors designed for use on cable, a mandrel simulating the test cable may be substituted during the oven aging portion of this test.
7KHIRXUFRQQHFWRUVRUFRQQHFWRUDQGFDEOHDVVHPEOLHVVKDOOEHSODFHGLQDQRYHQKDYLQJƒ&“ƒ&WHPperature and remain there for three weeks. After this time has elapsed, the four samples shall be removed from
the oven and each operated once by using the operating eye or an appropriate location on the axis of the separable interface.
For connectors designed for use on cable, the test cables shall be reassembled into the four connectors. The
IRXUFRQQHFWRUVRUFRQQHFWRUDQGFDEOHDVVHPEOLHVVKDOOWKHQEHVXEMHFWHGWRF\FOHVRIWKHIROORZLQJVHquence of operations:
a)
7KHFRQQHFWRUVRUFRQQHFWRUDQGFDEOHDVVHPEOLHVVKDOOEHKHDWHGLQDLUXVLQJVXI¿FLHQWFXUUHQWWRUDLVH
WKHWHPSHUDWXUHRIWKHFRQGXFWRURIWKHFRQWUROFDEOHWRƒ&“ƒ&IRUWKHIROORZLQJWLPHSHULRG
$FRQQHFWRUVK
2)
b)
$DQG$FRQQHFWRUVK
The connectors or connector and cable assemblies shall be de-energized and within 3 min, submerged
LQƒ&“ƒ&FRQGXFWLYHZDWHU ŸFPPD[LPXP WRDGHSWKRIFP IW IRUWKHIROORZLQJ
time periods:
$FRQQHFWRUVK
2)
$DQG$FRQQHFWRUVK
7KHWHVWSRLQWLISURYLGHGVKDOOEHFDSDEOHRISDVVLQJWKHYROWDJHWHVWVSHFL¿HGLQ.
63
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
$IWHUWKHWKF\FOHDQGZLWKLQKRIUHPRYDOIURPWKHZDWHUWKHFRQQHFWRUDQGFDEOHDVVHPEO\¶VH[WHUQDO
surfaces shall be fully dried.
The connectors or connector and cable assemblies shall withstand a design impulse test (see ) at least 4 h
DIWHUWKHFRPSOHWLRQRIWKHWKF\FOH
7.13 Cable pull-out test (tensile strength)
The purpose of this test is to determine if the connection between the cable conductor and compression lug of
WKHFRQQHFWRULVFDSDEOHRIZLWKVWDQGLQJDWHQVLOHIRUFHRI1 OEI The compression lug shall be held in a manner that does not affect the strength of the connection. The tensile
force shall be applied to the cable conductor.
7KHFRQQHFWLRQVKDOOZLWKVWDQGWKHDSSOLHGIRUFHIRUPLQZLWKRXWLPSDLULQJWKHFRQQHFWRU VDELOLW\WRPHHW
the other requirements of this standard.
7.14 Operating-force test for separable connectors with an operating eye
The purpose of this test is to demonstrate that the force necessary to operate a connector meets the requirements of 6.2.
The elbow shall be assembled with a probe and compression lug and the connector system shall be lubricated
in accordance with the manufacturer's instructions.
7KHWHPSHUDWXUHRIWKHDVVHPEOHGFRPSRQHQWVVKDOOEH±ƒ& ±ƒ&ƒ& ƒ& “ƒ& DQGƒ&
±ƒ&ƒ& UHVSHFWLYHO\IRUWKUHHVHSDUDWHWHVWV(DFKWHVWVKDOOFRQVLVWRIRSHQLQJDQGWKHQUHFORVLQJWKH
FRQQHFWRUZLWKLQPLQRIUHPRYDOIURPWKHFRQGLWLRQLQJFKDPEHU7KHIRUFHVKDOOEHDSSOLHGWRWKHRSHUDWLQJ
H\HSDUDOOHOWRWKHD[LVRIWKHSUREHDWDUDWHRIFPPLQ LQPLQ 7KHIRUFHVUHTXLUHGWRRSHQRUFORVHWKHFRQQHFWRUVKDOOEHZLWKLQWKHUDQJHVVSHFL¿HGLQ6.2.
7.15 Operating-eye test
7KHSXUSRVHRIWKLVWHVWLVWRGHPRQVWUDWHWKDWWKHRSHUDWLQJH\HPHHWVWKHUHTXLUHPHQWVRIDWƒ&“ƒ&
A tensile force shall be gradually applied to the operating eye in the direction of normal operation. The operatLQJH\HVKDOOZLWKVWDQGWKHIRUFHIRUPLQ
A rotational force shall be applied with a suitable live-line tool to the operating eye in a clockwise direction
and in a counter-clockwise direction.
Some distortion of the operating eye is acceptable provided the connector is serviceable after the test and
PHHWVWKHSDUWLDOGLVFKDUJHUHTXLUHPHQWVSHFL¿HGLQ7DEOH or Table 2.
7.16 Test point cap test
The purpose of this test is to demonstrate that the removal force of the test point cap meets the requirements of
6.5.2 and the cap operating eye is capable of withstanding the maximum operating force.
64
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
7.16.1 Test point cap operating-force test
A tensile force shall be gradually applied to the test point cap in the direction parallel with the probe axis at
íƒ& ±ƒ&ƒ& ƒ& “ƒ& DQGƒ& ±ƒ&ƒ& 7KHIRUFHUHTXLUHGWRUHPRYHWKHWHVWSRLQWFDSVKDOOEHZLWKLQWKHUDQJHVSHFL¿HGLQ6.5.2.
7.16.2 Test point cap eye operating withstand test
$WHQVLOHIRUFHRI1 OEI VKDOOEHDSSOLHGWRWKHWHVWSRLQWFDSRSHUDWLQJH\HIRUPLQDWíƒ& ±ƒ&
ƒ& ƒ& “ƒ& DQGƒ& ±ƒ&ƒ& Some distortion of the operating eye is acceptable provided the test point cap is serviceable after the test.
7.17 Test point tests
7.17.1 Test point capacitance test
The purpose of this test is to verify that the capacitance values of the test point meet the requirements of .
The connector shall be installed on a cable of the type for which it is designed to operate, and the shielding
shall be grounded in the normal manner. The capacitances from test point to cable and test point to ground
shall be measured with suitable instruments and proper shielding techniques.
7KHPHDVXUHGYDOXHVVKDOOEHZLWKLQWKHWROHUDQFHVVSHFL¿HGLQ.
7.17.2 Test point voltage test
The purpose of this test is to verify proper operation of the test point.
A test voltage shall be applied to the conductor system of the connector. The response of a suitable sensing
device on the test point shall indicate an energized condition.
7.18 Shielding test
The purpose of this test is to demonstrate that the shielding meets the requirements of 6.3. The test procedure
VKDOOEHLQDFFRUGDQFHZLWK,(((6WG
7.19 Bushing well stud torque withstand test
The purpose of this test is to demonstrate that the threaded stud in the bushing well shall withstand the miniPXPWRUTXHVSHFL¿HGLQ.
)RXUEXVKLQJZHOOVVKDOOEHWHVWHG$PLQLPXPRIEUDVVPP LQ GLDPHWHUÀDWZDVKHUVVKDOOEHDVsembled to the bushing well stud to act as spacers. The maximum combined height of the spacer washers shall
QRWH[FHHGPP LQ 1ROXEULFDWLRQVKDOOEHDSSOLHG$WRUVLRQDOIRUFHVKDOOEHDSSOLHGWRD±
81&EUDVVKHDY\KH[QXW $670) DVVHPEOHGWRWKHEXVKLQJZHOOVWXG
7KHIRXUEXVKLQJZHOOVVKDOOZLWKVWDQGWKHVWXGWRUTXHVSHFL¿HGLQ without fracture or stripping.
7.20 Thermal cycle withstand test
The purpose of this test is to demonstrate that non-elastomeric separable connector components can withstand
the stresses of an accelerated thermal cycle test.
65
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
Bushing well and reducing tap well samples shall be thermal cycled with mating parts installed.
Ten thermal cycles shall be conducted in air. The temperature cycles shall comply with the thermal cycle pro¿OHVKRZQLQ)LJXUH7KHWHPSHUDWXUHH[WUHPHVVKDOOKDYHDWROHUDQFHRI“ƒ&
The internal temperature of an extra sample shall be measured and the ramp time adjusted so that the parts
achieve the desired temperature.
)LJXUH²7KHUPDOF\FOHSUR¿OH
After completion of the thermal cycles the non-elastomeric components shall be tested to the applicable dielectric withstand test levels for the following:
—
3DUWLDOGLVFKDUJHWHVW
—
AC withstand voltage
—
Impulse withstand voltage The aged mating parts may be replaced with new mating parts for the dielectric tests.
Ten samples shall withstand the thermal cycle test without cracking or breaking and shall meet the requirements of the partial discharge, ac withstand voltage, and impulse withstand voltage tests.
7.21 Tee separable insulated connector interchangeability test
7KHSXUSRVHRIWKLVWHVWLVWRGHPRQVWUDWHWKDW$RU$N9N9N9DQGN9FODVVWHHFRQnector designs are interchangeable with cable adaptor designs that meet the dimensional requirements speci¿HGLQ)LJXUH or )LJXUH.
&DEOHDGDSWHUVVKDOOPHHWDOO¿YHGLPHQVLRQDOUHTXLUHPHQWVVSHFL¿HGLQHLWKHU)LJXUH or )LJXUH after
being assembled on any cable whose insulation outside diameter falls within the published range of the cable
adaptor.
66
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
Ten tee connector assemblies shall be design tested per 7DEOH Sequence A (dielectrics test sequence) as specL¿HGLQ, and 9ROWDJHOHYHOVVKDOOEHSHUTable 2. Five of the assemblies shall use one of the three
ODUJHVWVL]HGFDEOHDGDSWHUVLQWKHIDPLO\7KHRWKHU¿YHDVVHPEOLHVVKDOOXVHRQHRIWKHWKUHHVPDOOHVWVL]HG
cable adapters in the family.
7KHRXWVLGHGLDPHWHURIWKHWHVWFDEOHLQVXODWLRQVKDOOIDOOZLWKLQWKHERWWRPRIWKHSXEOLVKHGUDQJHRIWKH
FDEOHDGDSWRUWREHWHVWHG7KHWHVWFDEOHLQVXODWLRQWKLFNQHVVVKDOOEHPLOWRPLOIRUN9DQGN9
FODVVWHHFRQQHFWRUDVVHPEOLHV7KHWHVWFDEOHLQVXODWLRQWKLFNQHVVVKDOOEHPLOIRUWHHFRQQHFWRUDVVHPEOLHVOLPLWHGWRN9FODVV7KHWHVWFDEOHLQVXODWLRQWKLFNQHVVVKDOOEHPLOIRUN9FODVVWHHFRQQHFWRU
assemblies.
Tee connector designs that successfully complete the design tests in shall be considered interchangeable
ZLWKDQ\RWKHUFDEOHDGDSWRUGHVLJQWKDWDOVRFRQIRUPVWRWKHGLPHQVLRQDOUHTXLUHPHQWVVSHFL¿HGLQHLWKHU
)LJXUH or )LJXUH.
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
Annex A
LQIRUPDWLYH
Trial use guide for testing of separable connector lubricants
A.1 Test for lubricants used on separable insulated connector interfaces
The purpose of these tests is to demonstrate that the lubricant used on the interfaces of separable insulated
FRQQHFWRUVPHHWVWKHHOHFWULFDODQGPHFKDQLFDOUHTXLUHPHQWVRIWKLVVWDQGDUG7KHVSHFL¿HGWHVWUHTXLUHPHQWV
are intended to demonstrate that the lubricant is acceptable for application to all separable insulated connector
components.
A.2 Operating force test
The purpose of this test is to demonstrate that interfaces of separable insulated connectors lubricated with a
VSHFL¿FOXEULFDQWPHHWWKHRSHUDWLQJIRUFHUHTXLUHPHQWVDVVSHFL¿HGLQ6.2.
7KHOXEULFDQWVKDOOEHDSSOLHGWRWKHPDWLQJLQWHUIDFHVRIIRXUN9UDWHGORDGEUHDNHOERZDQGEXVKLQJ
insert (Figure 6 DVVHPEOLHV7KHDPRXQWRIOXEULFDQWDSSOLHGVKDOOEHDVVSHFL¿HGE\WKHVHSDUDEOHFRQQHFWRU
manufacturer.
2SHUDWLQJIRUFHWHVWVVKDOOEHSHUIRUPHGRQWKHIRXUFRQQHFWRUDVVHPEOLHVSHUWKHVSHFL¿HGSURFHGXUHVLQ.
7KHIRUFHVUHTXLUHGWRRSHQDQGFORVHWKHFRQQHFWRUVKDOOEHZLWKLQWKHUDQJHIRUORDGEUHDNHOERZVVSHFL¿HG
in item a) of 6.2.
A.3 Accelerated aging test
The purpose of this test is to demonstrate that thermally aged separable insulated connectors lubricated with a
VSHFL¿FOXEULFDQWDUHFDSDEOHRIEHLQJRSHUDWHGZLWKLQWKHOLPLWVVSHFL¿HG
7KHOXEULFDQWVKDOOEHDSSOLHGWRWKHPDWLQJLQWHUIDFHVRIIRXUN9UDWHGORDGEUHDNHOERZDQGEXVKLQJ
insert (Figure 6 DVVHPEOLHV7KHDPRXQWRIOXEULFDQWDSSOLHGVKDOOEHDVVSHFL¿HGE\WKHVHSDUDEOHFRQQHFWRU
manufacturer.
$QRSHUDWLQJIRUFHWHVWVKDOOEHFRQGXFWHGDWƒ&“ƒ&SHUWKHSURFHGXUHVVSHFL¿HGLQ to determine the
initial opening value for each assembly.
The four elbow and bushing insert assemblies shall be reassembled and then placed in an oven having a temSHUDWXUHRIƒ&“ƒ&DQGUHPDLQWKHUHIRUZHHNV7KHIRXUVDPSOHVVKDOOWKHQEHUHPRYHGIURPWKHRYHQ
DQGDOORZHGWRFRROXQWLOWKH\VWDELOL]HDWƒ&“ƒ&$QRSHUDWLQJIRUFHWHVWVKDOOWKHQEHFRQGXFWHGSHUWKH
SURFHGXUHVVSHFL¿HGLQ to determine the opening force value for each assembly.
7KHIRXUVDPSOHDYHUDJHRIWKHRSHQLQJIRUFHDWƒ&“ƒ&VKDOOQRWH[FHHG1 OEI 7KHOXEULFDQWVKRXOGDOVREHHYDOXDWHGE\WHVWLQJWKHFROGWHPSHUDWXUH LHíƒ& RSHUDWLQJIRUFHVRIDJHG
FRQQHFWRUV$WWKLVWLPHLQVXI¿FLHQWGDWDLVDYDLODEOHWRHVWDEOLVKWHVWUHTXLUHPHQWV
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
A.4 Dielectric tests
The purpose of this test is to demonstrate that interfaces of separable insulated connectors lubricated with a
VSHFL¿FOXEULFDQWPHHWWKHHOHFWULFDOUHTXLUHPHQWVRIWKLVVWDQGDUG
7KHOXEULFDQWVKDOOEHDSSOLHGWRWKHPDWLQJLQWHUIDFHVRIN9UDWHGORDGEUHDNHOERZDQGEXVKLQJ
insert (Figure 6 DVVHPEOLHV7KHDPRXQWRIOXEULFDQWDSSOLHGVKDOOEHDVVSHFL¿HGE\WKHVHSDUDEOHFRQQHFWRU
manufacturer.
7KHFRQQHFWRUDVVHPEOLHVVKDOOEHWHVWHGWRWKHDSSOLFDEOHGLHOHFWULFZLWKVWDQGOHYHOVIRUWKHIROORZLQJ
—
3DUWLDOGLVFKDUJHWHVW
—
AC withstand voltage
—
DC withstand voltage
—
Impulse withstand voltage $OODVVHPEOLHVVKDOOPHHWWKHHOHFWULFDOUHTXLUHPHQWVIRUDN9FRQQHFWRUV\VWHPDVVSHFL¿HGLQ
7DEOH or Table 2.
A.5 Switching test
The purpose of this test is to demonstrate that the switching performance of loadbreak separable insulated conQHFWRUVLVPDLQWDLQHGZKHQDVSHFL¿FOXEULFDQWLVDSSOLHGWRWKHPDWLQJLQWHUIDFHV*UHDVHIRUPXODWLRQVKDYLQJ
dimethyl or phenyl silicone base oils are exempt from the switching test requirement. This exception is based
RQWKHRYHU\HDUVRIDFFHSWDEOHVZLWFKLQJSHUIRUPDQFHRIORDGEUHDNFRQQHFWRUVOXEULFDWHGZLWKVLOLFRQH
greases.
7KHOXEULFDQWVKDOOEHDSSOLHGWRWKHPDWLQJLQWHUIDFHVRIN9UDWHGORDGEUHDNHOERZDQGEXVKLQJ
insert (Figure 6 DVVHPEOLHV7KHDPRXQWRIOXEULFDQWDSSOLHGVKDOOEHDVVSHFL¿HGE\WKHVHSDUDEOHFRQQHFWRU
manufacturer.
7KHFRQQHFWRUDVVHPEOLHVVKDOOEHVZLWFKHGSHUWKHVSHFL¿HGSURFHGXUHVRI.
7HQFRQVHFXWLYHFRQQHFWRUDVVHPEOLHVRXWRIDPD[LPXPRIVDPSOHVVKDOOPHHWWKHVZLWFKLQJUHTXLUHPHQWV
DVVSHFL¿HGLQ when closing and interrupting the rated switching current given in Table 3.
A.6 Compatibility
The manufacturer shall demonstrate that the lubricant is compatible with the separable connector and cable
materials. The dielectric strength, dielectric constant, dissipation factor, volume resistivity, and elongation
properties shall be considered.
A.7 Physical properties
The purpose of this list is to serve only as a guide for the physical properties generally required of a lubricant
intended for use on the mating interfaces of separable connectors. Approval of a lubricant is achieved by
demonstrating compliance with the requirements detailed in $ through A.6.
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
Table A.1—Lubricant properties
Physical property
Value
Test method
Temperature range
íƒ&WRƒ&
3HQHWUDWLRQ ZRUNHGWLPHV
WRDWƒ&
WRDWíƒ&
$670'±[B4]
Dielectric strength (minimum)
9PLO
$670'±>%@
9ROXPHUHVLVWLYLW\ PLQLPXP
î ŸFP
$670'±[B3]
Dielectric constant
WRDWN+]
$670'±[B2]
Dissipation factor (maximum)
DWN+]
$670'±[B2]
)70±
>%@ƒ&IRUK
$670'±[B5],3
JZW
ƒ&IRUK
)70±
>%@ƒ&IRUK
Bleed (maximum)
Evaporation (maximum)
7KHQXPEHUVLQEUDFNHWVFRUUHVSRQGWRWKRVHRIWKHELEOLRJUDSK\LQAnnex D.
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
Annex B
LQIRUPDWLYH
IEC versus IEEE ratings
7KLVDQQH[SURYLGHVDFRPSDULVRQRI,(((6WGUDWLQJVEXVKLQJLQWHUIDFHW\SHVDQGWHVWUHTXLUHPHQWVZLWK
the applicable IEC and CENELEC standards for screened deadfront separable insulated connectors and mating bushings.
The cable accessories referred to in this annex are screened (shielded) deadfront separable insulated connectors used for terminating shielded power cables with extruded insulation. This annex covers resin-molded
bushings that are designed to be applied on oil, air, and SF-6 insulated electrical equipment and to be mated
with screened deadfront separable insulated connectors (see )LJXUH%). The ratings listed in the tables are for
the screened connector and mating bushing cable termination systems.
The tables are a comparison of the analogous standards allowing the reader to compare the major similarities
DQGGLIIHUHQFHVLQUDWLQJVDQGLQWHUIDFHVEHWZHHQ,(((6WGDQGWKH,(&DQG&(1(/(&VWDQGDUGV7KHWHVW
UHTXLUHPHQWVDUHDSSOLFDEOHIRUERWKDQG+]V\VWHPV)RUFRPSOHWHGHWDLOVRIWKH,(&DQG&(1(/(&
requirements refer to the standards documents listed Clause 2.
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
—
26
—
—
—
—
—
—
—
—
—
—
—
Current
cycle
voltage
Partial
discharge
voltage
5 pC max
Rated voltages
ULG / ULL
(Class)
IEEE Std 386
Table B.1—IEEE versus IEC voltage ratings
—
—
45
34
—
—
AC withstand
voltage
(1 min)
—
—
—
—
Impulse
withstand
voltage
(3 shots)
Rated
voltages
UO / U (Um)
36
33
22
Partial
discharge
voltage
1.73 UO
10 pC max
52
45
32
23
Current
cycle
voltage
2.5 UO
54
AC withstand
voltage
4.5 UO
(5 min.)
IEC 60502-4 (Table 8) [B10]
CENELEC HD 629.1 S2 (Table 7) [B7]
Screened (shielded) separable connectors rated voltages (kV)
Impulse
withstand voltage
(10 shots)
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Deadbreak
Type
—
—
25
35
—
—
—
25
4
—
AL
CU
—
AL
CU
—
—
CU
Conductor
material
—
—
Current
A
Class
kV
IEEE Std 386
(dimensions and test requirements)
Interface
—
Table B.2—IEEE 386 versus IEC bushing interface
F
E
Bolted
tee:
´
threads
—
D
C
Bolted
tee:
´
threads
—
B
A
3OXJLQ
elbow
—
Interface
Type
%
%
24
36
)í
)
)í
36
24
36
42
52
'
'
(
(
24
&
&
$
24
24
36
42
Current
A
Um
kV
CU
CU
CU
CU or AL
CU
CU or AL
CU
CU
CU
CU
CU
CU
Conductor
material
CENELEC: EN 50180 (dimensions) [B6]
IEC: 60137 (test requirements) [B9]
Screened separable connector bushing interfaces and current ratings
Table continues
Not applicable
No
(interfaces are identical
but threads are different)
Bolted
tee:
0
threads
Bolted
Tee:
0
threads
No
(interfaces are identical
but threads are different)
Not applicable
Not applicable
<HV
(probes are identical)
Interchangeable
BoltedTee:
0
threads
Bolted
tee:
0
threads
3OXJLQ
elbow
3OXJLQ
elbow
Type
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
25 and
35
$
%DQG
5
Current
A
Class
kV
Interface
CU
CU
CU
Conductor
material
Interface
—
—
—
Type
3OXJLQ
elbow
3OXJLQ
elbow
3OXJLQ
elbow
—
—
—
Um
kV
—
—
—
Current
A
—
—
—
Conductor
material
CENELEC: EN 50180 (dimensions) [B6]
IEC: 60137 (test requirements) [B9]
NOTE—IEC/CENELEC style bushings are equipped with screens inside the molded resin insulation.
Loadbreak
Type
IEEE Std 386
(dimensions and test requirements)
Screened separable connector bushing interfaces and current ratings
Table B.2—IEEE 386 versus IEC bushing interface (continued)
—
—
—
Type
Not applicable
Not applicable
Not applicable
Interchangeable
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
Copyright © 2016 IEEE. All rights reserved.
75
X
X
X
Impulse @ ambient temperature
AC withstand
X
X
15 min @ 2.5 UO
No breakdown
10 shots @ each polarity
No breakdown
10 pC max @ 1.73 UO
10 pC max @ 1.73 UO
5 times
No visible damage to contact
@ 2.5 UO
No breakdown
@ 2.5 UO
No breakdown
10 shots @ each polarity
No breakdown
10 pC max @ 1.73 UO
NOTE 3—݇t is the maximum cable conductor temperature in normal operation.
NOTE 2—The IEC and CENELEC test requirements also include a thermal short circuit test sequence (two short circuits to raise the cable conductor to 250 °C), an operating
eye test sequence, screen tests (resistance, leakage current and fault current initiation), operating force test, and capacitive test point tests.
NOTE 1—Refer to Table 5 in IEEE Std 386-2006.
X
X
Partial discharge @ 5–10 °C above ݇t
Partial discharge @ ambient temperature
X
X
X
63 cycles
63 cycles
Disconnect/connect
30 cycles
Heating cycles in air
X
30 cycles
X
Impulse @ 5–10 °C above ݇t
X
Heating cycles in water
X
Partial discharge @ ambient temperature
5 min @ 4.5 UO
No breakdown
X
AC withstand
X
15 min @ 6 UO
No breakdown
X
X
DC withstand
4
Requirements
4
Test
Number of samples
D1
7
8
4.1
Table
Test sequence
IEC 61442 [B11]
IEC 61442 [B11]
Test procedures
CENELEC HD629.1 S2 [B7]
IEC 60502-4 [B10]
Table B.3—Primary IEC and CENELEC screened (shielded) separable connector test sequence
Test requirements
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
IEEE Standard for Separable Insulated Connector Systems for Power Distribution Systems Rated 2.5 kV through 35 kV
Figure B.1—IEC/CENELEC cone-style bushing
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
Annex C
LQIRUPDWLYH
DC withstand test voltage reference
)RUUHIHUHQFHRQO\WKHIROORZLQJGFWHVWYROWDJHVKDYHEHHQXVHGLQWKHSDVWIRUGHVLJQDQGTXDOL¿FDWLRQWHVWLQJ
RIVHSDUDEOHLQVXODWHGFRQQHFWRUV 6HH7DEOHRI,(((6WG 0DQ\VWDQGDUGVPDNLQJERGLHVKDYH
eliminated the use of dc testing since industry data has determined that ac testing is more appropriate for extruded dielectric cables.
Table C.1—Voltage ratings and reference dc test levels for separable insulated connectors
Maximum voltage rating (kV rms) a
DC withstand voltage 15 min (kV)
53
b
c
53
c
b
b
c
The highest steady-state voltage across the open contacts that a loadbreak connector is rated to switch is the maximum
phase-to-ground rms voltage for phase-to-ground rated devices or the maximum phase-to-phase rms voltage for phase-toground/phase-to-phase rated devices.
b
3KDVHWRJURXQG
c
3KDVHWRJURXQGSKDVHWRSKDVH
a
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
Annex D
LQIRUPDWLYH
Bibliography
Bibliographical references are resources that provide additional or helpful material but do not need to be unGHUVWRRGRUXVHGWRLPSOHPHQWWKLVVWDQGDUG5HIHUHQFHWRWKHVHUHVRXUFHVLVPDGHIRULQIRUPDWLRQDOXVHRQO\
>%@$670'±6WDQGDUG7HVW0HWKRGIRU'LHOHFWULF%UHDNGRZQ9ROWDJHDQG'LHOHFWULF6WUHQJWKRI
6ROLG(OHFWULFDO,QVXODWLQJ0DWHULDOVDW&RPPHUFLDO3RZHU)UHTXHQFLHV
>%@$670'±6WDQGDUG7HVW0HWKRGVIRU$&/RVV&KDUDFWHULVWLFVDQG3HUPLWWLYLW\ 'LHOHFWULF&RQstant) of Solid Electrical Insulation.
>%@$670'±6WDQGDUG7HVW0HWKRGVIRU'&5HVLVWDQFHRU&RQGXFWDQFHRI,QVXODWLQJ0DWHULDOV
>%@$670'±6WDQGDUG7HVW0HWKRGVIRU&RQH3HQHWUDWLRQRI/XEULFDWLQJ*UHDVH8VLQJ2QH4XDUter and One-Half Scale Cone Equipment.
>%@$670'±6WDQGDUG7HVW0HWKRGIRU2LO6HSDUDWLRQIURP/XEULFDWLQJ*UHDVH'XULQJ6WRUDJH
>%@&(1(/(&(1%XVKLQJVDERYHN9XSWRN9DQGIURP$WRN$IRUOLTXLG¿OOHG
transformers.
>%@&(1(/(&'6+'67HVWUHTXLUHPHQWVRQDFFHVVRULHVIRUXVHRQSRZHUFDEOHVRIUDWHGYROWDJHV
IURP N9XSWR N9²3DUW&DEOHVZLWKH[WUXGHGLQVXODWLRQ
>%@)70&±0HWKRG²)HGHUDO7HVW0HWKRGIRU2LO6HSDUDWLRQIURP/XEULFDWLQJ*UHDVH
(Static Technique).
>%@,(&,QVXODWHGEXVKLQJVIRUDOWHUQDWLQJYROWDJHVDERYH9
>%@,(&3RZHUFDEOHVZLWKH[WHQGHGLQVXODWLRQDQGWKHLUDFFHVVRULHVIRUUDWHGYROWDJHVIURPN9
8P N9 XSWRN9 8P N9 ²3DUW7HVWUHTXLUHPHQWVRQDFFHVVRULHVIRUFDEOHVZLWKUDWHGYROWDJHVIURPN9 8P N9 XSWRN9 8P N9 >%@,(&7HVWPHWKRGVIRUDFFHVVRULHVIRUSRZHUFDEOHVZLWKUDWHGYROWDJHVIURPN9 8P N9 XSWRN9 8P N9 >%@,(((6WGŒ&RU±,(((6WDQGDUG7HVWVIRU'HWHUPLQLQJ&RPSDWLELOLW\RI&DEOH3XOOLQJ/XEULFDQWVZLWK:LUHDQG&DEOH²&RUULJHQGXP,
>%@,(((6WG&Œ,(((6WDQGDUG5HTXLUHPHQWVIRU2YHUKHDG3DG0RXQWHG'U\9DXOWDQG6XEPHUVLEOH$XWRPDWLF/LQH6HFWLRQDOL]HUVIRU$OWHUQDWLQJ&XUUHQW6\VWHPV8SWRN9
ASTM publications are available from the American Society for Testing and Materials, http://www.astm.org/.
CENELEC publications are available at http://standards.globalspec.com/
IEC publications are available from the International Electrotechnical Commission, http://www.iec.ch/. IEC publications are also
available in the United States from the American National Standards Institute, http://www.ansi.org.
The IEEE standards or products referred to in this clause are trademarks of The Institute of Electrical and Electronics Engineers, Inc.
,(((SXEOLFDWLRQVDUHDYDLODEOHIURP7KH,QVWLWXWHRI(OHFWULFDODQG(OHFWURQLFV(QJLQHHUV+RHV/DQH3LVFDWDZD\1-86$
(http://standards.ieee.org/).
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
>%@,(((6WG&Œ,(((6WDQGDUG5HTXLUHPHQWVIRU6XEVXUIDFH9DXOWDQG3DG0RXQWHG/RDG,QWHUUXSWHU6ZLWFKJHDUDQG)XVHG/RDG,QWHUUXSWHU6ZLWFKJHDUIRU$OWHUQDWLQJ&XUUHQW6\VWHPV8SWRN9
>%@,(((6WG&Œ,(((6XEPHUVLEOH7KUHH3KDVH7UDQVIRUPHUVN9$DQG6PDOOHU+LJK
9ROWDJH*UG<9ROWVDQG%HORZ/RZ9ROWDJH9ROWVDQG%HORZ
>%@,(((6WG&Œ,(((6WDQGDUG5HTXLUHPHQWVIRU3DG0RXQWHG&RPSDUWPHQWDO7\SH6HOI
&RROHG7KUHH3KDVH'LVWULEXWLRQ7UDQVIRUPHUV09$DQG6PDOOHU+LJK9ROWDJHN91RPLQDO6\VWHP9ROWDJHDQG%HORZ/RZ9ROWDJHN91RPLQDO6\VWHP9ROWDJHDQG%HORZ
>%@,(((6WG&Œ,(((6WDQGDUGIRU3DG0RXQWHG7\SH6HOI&RROHG6LQJOH3KDVH'LVWULEXWLRQ
7UDQVIRUPHUVN9$DQG6PDOOHU+LJK9ROWDJH*UG<9DQG%HORZ/RZ9ROWDJH
9DQG%HORZ
>%@,(((6WG&Œ,(((6WDQGDUGIRU1HWZRUN7KUHH3KDVH7UDQVIRUPHUVN9$DQG6PDOOHU+LJK9ROWDJH*UG<DQG%HORZ/RZ9ROWDJH9DQG%HORZ6XEZD\DQG9DXOW7\SHV
(Liquid Immersed).
>%@,(((6WG&Œ,(((6WDQGDUGIRU0HWDO2[LGH6XUJH$UUHVWHUVIRU$&3RZHU&LUFXLWV !
N9 >%@:HLW]*&³5HFRPPHQGDWLRQVIRUWKHHYDOXDWLRQRIDOWHUQDWLYHVROYHQWVXVHGIRUHOHFWULFDOFDEOH
FOHDQLQJ´ ,(((7UDQVPLVVLRQ DQG 'LVWULEXWLRQ &RQIHUHQFH 3URFHHGLQJV /RV$QJHOHV &$ SS ±
6HSW±KWWSG[GRLRUJ7'&
&RS\ULJKW‹,((($OOULJKWVUHVHUYHG
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.
IEEE Std 386-2016
,(((6WDQGDUGIRU6HSDUDEOH,QVXODWHG&RQQHFWRU6\VWHPVIRU3RZHU'LVWULEXWLRQ6\VWHPV5DWHGN9WKURXJKN9
Copyrighted material licensed to Claudia Rodríguez on 2022-09-13 for licensee's use only.
Copyrighted and Authorized by IEEE. Restrictions Apply.