section 260519 - low-voltage electrical power conductors and cables

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Copyright 2013 AIA
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PRODUCT MASTERSPEC LICENSED BY ARCOM TO THOMAS & BETTS CORPORATION.
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SECTION 260519 - LOW-VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES
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PART 1 - GENERAL
1.1
RELATED DOCUMENTS
A.
1.2
Drawings and general provisions of the Contract, including General and Supplementary
Conditions and Division 01 Specification Sections, apply to this Section.
SUMMARY
A.
Section Includes:
1.
2.
B.
Building wires and cables rated 600 V and less.
Connectors, splices, and terminations rated 600 V and less.
Related Requirements:
1.
Section 260513 "Medium-Voltage Cables" for single-conductor and multiconductor
cables, cable splices, and terminations for electrical distribution systems with 2001 to
35,000 V.
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2.
3.
1.3
Section 260523 "Control-Voltage Electrical Power Cables" for control systems
communications cables and Classes 1, 2 and 3 control cables.
Section 271500 "Communications Horizontal Cabling" for cabling used for voice and
data circuits.
DEFINITIONS
A.
1.4
VFC: Variable frequency controller.
ACTION SUBMITTALS
A.
1.5
Product Data: For each type of product.
INFORMATIONAL SUBMITTALS
A.
Qualification Data: For testing agency.
B.
Field quality-control reports.
1.6
QUALITY ASSURANCE
A.
Testing Agency Qualifications: Member company of NETA or an NRTL.
1.
Testing Agency's Field Supervisor: Certified by NETA to supervise on-site testing.
PART 2 - PRODUCTS
2.1
CONDUCTORS AND CABLES
A.
Basis-of-Design Product: Subject to compliance with requirements, provide Thomas & Betts
Corporation <Insert product name> or comparable product by one of the following:
1.
2.
3.
4.
5.
6.
7.
8.
Alpha Wire Company.
Belden Inc.
Cerro Wire LLC.
Encore Wire Corporation.
General Cable Technologies Corporation.
General Cable; General Cable Corporation.
Senator Wire & Cable Company.
Southwire Company.
B.
[Aluminum] [and] [Copper] Conductors: Comply with NEMA WC 70/ICEA S-95-658.
C.
Conductor Insulation: Comply with NEMA WC 70/ICEA S-95-658 for [Type THW-2]
[Type THHN/THWN-2] [Type XHHW-2] [Type UF] [Type USE] [and] [Type SO].
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D.
Multiconductor Cable: Comply with NEMA WC 70/ICEA S-95-658 for [armored cable,
Type AC] [metal-clad cable, Type MC] [mineral-insulated, metal-sheathed cable,
Type MI] [nonmetallic-sheathed cable, Type NM] [Type SO] [and] [Type USE] with
ground wire.
E.
VFC Cable:
1.
2.
3.
2.2
Comply with UL 1277, UL 1685, and NFPA 70 for Type TC-ER cable.
Type TC-ER with oversized crosslinked polyethylene insulation, [spiral-wrapped foil
plus 85 percent coverage braided shields and insulated full-size ground wire] [dual
spirally wrapped copper tape shields and three bare symmetrically applied ground
wires], and sunlight- and oil-resistant outer PVC jacket.
Comply with UL requirements for cables in [direct burial] [Classes I and II, Division 2
hazardous location] applications.
CONNECTORS AND SPLICES
A.
Basis-of-Design Product: Subject to compliance with requirements, provide Thomas & Betts
Corporation <Insert product name> or comparable product by one of the following:
1.
2.
3.
4.
5.
6.
7.
8.
9.
B.
2.3
3M.
AFC Cable Systems, Inc.
Gardner Bender.
Hubbell Power Systems, Inc.
Ideal Industries, Inc.
ILSCO.
NSi Industries LLC.
O-Z/Gedney; an EGS Electrical Group brand; an Emerson Industrial Automation
business.
Tyco Electronics Corp.
Description: Factory-fabricated connectors and splices of size, ampacity rating, material, type,
and class for application and service indicated.
SYSTEM DESCRIPTION
A.
Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, by
a qualified testing agency, and marked for intended location and application.
B.
Comply with NFPA 70.
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PART 3 - EXECUTION
3.1
CONDUCTOR MATERIAL APPLICATIONS
A.
Feeders: [Copper] [Copper for feeders smaller than No. 4 AWG; copper or aluminum for
feeders No. 4 AWG and larger]. Solid for No. 10 AWG and smaller; stranded for No. 8 AWG
and larger.
B.
Branch Circuits: Copper. Solid for [No. 10] [No. 12] AWG and smaller; stranded for [No. 8]
[No. 10] AWG and larger, except VFC cable, which shall be extra flexible stranded.
3.2
CONDUCTOR INSULATION AND MULTICONDUCTOR CABLE APPLICATIONS AND
WIRING METHODS
A.
Service Entrance: [Type THHN/THWN-2, single conductors in raceway] [Type XHHW-2,
single conductors in raceway] [Mineral-insulated, metal-sheathed cable, Type MI]
[Type SE or Type USE multiconductor cable].
B.
Exposed Feeders: [Type THHN/THWN-2, single conductors in raceway] [Type XHHW-2,
single conductors in raceway] [Armored cable, Type AC] [Metal-clad cable, Type MC]
[Mineral-insulated, metal-sheathed cable, Type MI] [Nonmetallic-sheathed cable,
Type NM].
C.
Feeders Concealed in Ceilings, Walls, Partitions, and Crawlspaces: [Type THHN/THWN-2,
single conductors in raceway] [Armored cable, Type AC] [Metal-clad cable, Type MC]
[Mineral-insulated, metal-sheathed cable, Type MI] [Nonmetallic-sheathed cable,
Type NM].
D.
Feeders
Concealed
in Concrete,
below Slabs-on-Grade,
and
Underground:
[Type THHN/THWN-2, single conductors in raceway] [Type XHHW-2, single conductors
in raceway] [Underground feeder cable, Type UF].
E.
Feeders Installed below Raised Flooring: [Type THHN/THWN-2, single conductors in
raceway] [Armored cable, Type AC] [Metal-clad cable, Type MC] [Mineral-insulated,
metal-sheathed cable, Type MI].
F.
Feeders in Cable Tray: [Type THHN/THWN-2, single conductors in raceway]
[Type XHHW-2, single conductors larger than No. 1/0 AWG] [Armored cable, Type AC]
[Metal-clad cable, Type MC] [Mineral-insulated, metal-sheathed cable, Type MI]
[Nonmetallic-sheathed cable, Type NM].
G.
Exposed Branch Circuits, Including in Crawlspaces: [Type THHN/THWN-2, single
conductors in raceway] [Armored cable, Type AC] [Metal-clad cable, Type MC] [Mineralinsulated, metal-sheathed cable, Type MI] [Nonmetallic-sheathed cable, Type NM].
H.
Branch Circuits Concealed in Ceilings, Walls, and Partitions: [Type THHN/THWN-2, single
conductors in raceway] [Armored cable, Type AC] [Metal-clad cable, Type MC] [Mineralinsulated, metal-sheathed cable, Type MI] [Nonmetallic-sheathed cable, Type NM].
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I.
Branch Circuits Concealed in Concrete, below Slabs-on-Grade, and Underground:
[Type THHN/THWN-2, single conductors in raceway] [Type XHHW-2, single conductors
in raceway] [Underground branch-circuit cable, Type UF].
J.
Branch Circuits Installed below Raised Flooring: [Type THHN/THWN-2, single conductors
in raceway] [Armored cable, Type AC] [Metal-clad cable, Type MC] [Mineral-insulated,
metal-sheathed cable, Type MI].
K.
Branch Circuits in Cable Tray: [Type THHN/THWN-2, single conductors in raceway]
[Type XHHW-2, single conductors larger than No. 1/0 AWG] [Armored cable, Type AC]
[Metal-clad cable, Type MC] [Mineral-insulated, metal-sheathed cable, Type MI]
[Nonmetallic-sheathed cable, Type NM].
L.
Cord Drops and Portable Appliance Connections: Type SO, hard service cord with stainlesssteel, wire-mesh, strain relief device at terminations to suit application.
M.
VFC Output Circuits: [Type XHHW-2 in metal conduit] [Type TC-ER cable][ with braided
shield][ with dual tape shield].
3.3
INSTALLATION OF CONDUCTORS AND CABLES
A.
Conceal cables in finished walls, ceilings, and floors unless otherwise indicated.
B.
Complete raceway installation between conductor and cable termination points according to
Section 260533 "Raceways and Boxes for Electrical Systems" prior to pulling conductors and
cables.
C.
Use manufacturer-approved pulling compound or lubricant where necessary; compound used
must not deteriorate conductor or insulation. Do not exceed manufacturer's recommended
maximum pulling tensions and sidewall pressure values.
D.
Use pulling means, including fish tape, cable, rope, and basket-weave wire/cable grips, that will
not damage cables or raceway.
E.
Install exposed cables parallel and perpendicular to surfaces of exposed structural members, and
follow surface contours where possible.
F.
Support cables according to Section 260529 "Hangers and Supports for Electrical Systems."
G.
Complete cable tray systems installation according to Section 260536 "Cable Trays for
Electrical Systems" prior to installing conductors and cables.
3.4
CONNECTIONS
A.
Tighten electrical connectors and terminals according to manufacturer's published torquetightening values. If manufacturer's torque values are not indicated, use those specified in
UL 486A-486B.
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B.
Make splices, terminations, and taps that are compatible with conductor material[ and that
possess equivalent or better mechanical strength and insulation ratings than unspliced
conductors].
1.
C.
3.5
Use oxide inhibitor in each splice, termination, and tap for aluminum conductors.
Wiring at Outlets: Install conductor at each outlet, with at least [6 inches (150 mm)] [12 inches
(300 mm)] of slack.
IDENTIFICATION
A.
Identify and color-code conductors and cables according to Section 260553 "Identification for
Electrical Systems."
B.
Identify each spare conductor at each end with identity number and location of other end of
conductor, and identify as spare conductor.
3.6
SLEEVE AND SLEEVE-SEAL INSTALLATION FOR ELECTRICAL PENETRATIONS
A.
3.7
Install sleeves and sleeve seals at penetrations of exterior floor and wall assemblies. Comply
with requirements in Section 260544 "Sleeves and Sleeve Seals for Electrical Raceways and
Cabling."
FIRESTOPPING
A.
3.8
Apply firestopping to electrical penetrations of fire-rated floor and wall assemblies to restore
original fire-resistance rating of assembly according to Section 078413 "Penetration
Firestopping."
FIELD QUALITY CONTROL
A.
Testing Agency: [Owner will engage] [Engage] a qualified testing agency to perform tests and
inspections.
B.
Manufacturer's Field Service: Engage a factory-authorized service representative to test and
inspect components, assemblies, and equipment installations, including connections.
C.
Perform the following tests and inspections[ with the assistance of a factory-authorized
service representative]:
1.
After installing conductors and cables and before electrical circuitry has been energized,
test [service entrance and feeder conductors] [and] [conductors feeding the following
critical equipment and services] for compliance with requirements.
a.
<Insert, in separate subparagraphs, critical equipment and services to be
tested>.
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2.
3.
Perform each visual and mechanical inspection and electrical test stated in NETA
Acceptance Testing Specification. Certify compliance with test parameters.
Infrared Scanning: After Substantial Completion, but not more than 60 days after Final
Acceptance, perform an infrared scan of each splice in conductors No. 3 AWG and
larger. Remove box and equipment covers so splices are accessible to portable scanner.
Correct deficiencies determined during the scan.
a.
b.
c.
D.
Test and Inspection Reports: Prepare a written report to record the following:
1.
2.
3.
E.
Follow-up Infrared Scanning: Perform an additional follow-up infrared scan of
each splice 11 months after date of Substantial Completion.
Instrument: Use an infrared scanning device designed to measure temperature or to
detect significant deviations from normal values. Provide calibration record for
device.
Record of Infrared Scanning: Prepare a certified report that identifies splices
checked and that describes scanning results. Include notation of deficiencies
detected, remedial action taken, and observations after remedial action.
Procedures used.
Results that comply with requirements.
Results that do not comply with requirements and corrective action taken to achieve
compliance with requirements.
Cables will be considered defective if they do not pass tests and inspections.
END OF SECTION 260519
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