Taking the Flash Out of Electrical Safety
October 10, 2020
Arc Flash Study
Prepared for:
XYZ Company
Someplace, USA
Prepared by:
Zarheer Jooma
Electrical Engineer
CONTENTS
Arc Flash Study Overview
Incident Energy Summary Report
Equipment Evaluation Report
PPE Poster
Arc Flash Model Drawing
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2
October 10, 2020
Bob Someone
XYZ Company
Bob,
Thank you for the opportunity to provide this Arc Flash Study.
This binder contains all information relevant to your Arc Flash Study, including drawings and spare Arc Flash
labels. In addition, electronic versions of the files in PDF, and the study data files are saved on a USB flash
drive provided in an envelope in the binder. The relevant engineering software package (such as SKM
PowerTools or EasyPower) is required to open the study files.
It is recommended the USB drive be retained in a secure, documented location within your organization, as it
contains important information that may need to be referenced over time as changes in equipment and
personnel occur. e-Hazard retains an electronic version of all related files, in the event further discussion is
needed, or questions arise.
For any additional clarification, relative to this report, please call me at (502) 716-7073.
Thank you,
Zarheer Jooma
Electrical Engineer Pr. Eng. SMIEEE
Zarheer@e-Hazard.com
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Arc Flash Study Overview
Introduction
The SKM PowerTools version 9.0 software program was used to determine Arc Flash incident energy levels and
arc flash boundaries based on the IEEE 1584™ 2018 Guide for Performing Arc-Flash Hazard Calculations and
the NFPA 70E® 2018 Standard for Electrical Safety in the Workplace. This project also provides the short-circuit
current analysis and equipment evaluation.
The results of the calculations and models are presented in drawings based on the facility’s distribution
system. The calculations have been based on the data provided by the plant.
Utility Contribution
The utility contribution data was supplied by ABC Utility and is attached at the end of this report.
Operation of Disconnects and Breakers
The study results show various arc flash energies ranging from “Level 4” all the way down to “Less than
1.2cal/cm2”. In general, all disconnects that directly supply a machine or control panel indicate an energy of
less than 1.2cal/cm2 and would not require any specific arc rated levels of PPE. Certain panelboards (Panel 1, 2,
and 5) require at least 8cal/cm2 (Level-2) arc rated PPE. The Siemens main switchboard, Panel A (main
breaker), and Panel B (main breaker) will require a 40cal/cm2 flash suit, appropriate safety training, and
qualifications to switch. The extracted text from NFPA 70E® 2018 edition is provided next to assist with your
risk assessment.
130.2 Electrically Safe Working Conditions. (A) Energized Work.
…
(4)
Normal Operating Condition. Normal operation of electric equipment shall be permitted where a
normal operating condition exists. A normal operating condition exists when all of the following
conditions are satisfied:
(1) The equipment is properly installed.
(2) The equipment is properly maintained.
(3) The equipment is used in in accordance with instructions included in the listing and labeling
and in accordance with the manufacturer’s instructions.
(4) The equipment doors are closed and secured.
(5) All equipment covers are in place and secured.
(6) There is no evidence of impending failure.
Informational Note: The phrase properly installed means that the equipment is installed in
accordance with applicable industry codes and standards and the manufacturer’s
recommendations. The phrase properly maintained means that the equipment has been
maintained in accordance with the manufacturer’s recommendations and applicable industry codes
and standards. The phrase evidence of impending failure means that there is evidence such as
arcing, overheating, loose or bound equipment parts, visible damage, or deterioration.
NFPA 70E® 2018, pg. 22
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130.7 Personal and Other Protective Equipment.
(A)
General. Employees exposed to electrical hazards when the risk associated with that hazard is not
adequately reduced by the applicable electrical installation requirements shall be provided with,
and shall use, protective equipment that is designed and constructed for the specific part of the
body to be protected and for the work to be performed.
…
Informational Note No. 1: The PPE requirements of 130.7 are intended to protect a person from arc
flash and shock hazards. While some situations could result in burns to the skin, even with
the protection selected, burn injury should be reduced and survivable. Due to the explosive effect of
some arc events, physical trauma injuries could occur. The PPE requirements of 130.7 do not
address protection against physical trauma other than exposure to the thermal effects of an arc
flash.
NFPA 70E® 2018, pg. 29
Table 130.5(C)(15)(A)(a) Estimate of the Likelihood of Occurrence of an Arc Flash Hazard Incident
for ac and dc Systems
Task
Equipment Condition
…
Operation of a circuit breaker (CB), Normal
switch, contactor, or starter
All of the following:
(1) The equipment is properly installed.
(2) The equipment is properly maintained.
(3) The equipment is used in in accordance with
instructions included in the listing and labeling and
in accordance with the manufacturer’s instructions.
(4) The equipment doors are closed and secured.
(5) All equipment covers are in place and secured.
(6) There is no evidence of impending failure such
as arcing, overheating, loose or bound equipment
parts, visible damage, or deterioration.
Likelihood of
Occurrence*
No
NFPA 70E® 2018, pg. 26-27
NFPA 70E makes it clear the determination of this condition can only be made by the responsible person in
charge of the facility. If the facility has evidence and documentation as per the requirements of NFPA 70E
205.3, 205.4 and 210.5 that all five conditions are met, then no arc rated PPE would be required to operate
disconnects with the doors properly closed and latched. It is, however, unlikely that equipment is maintained
to the exact specifications of the manufacturer. For reference see the NFPA extracts listed below.
The facility should adopt a safer approach by providing appropriate Arc Rated clothing as specified in the NFPA
70E® 2018 Table 130.5(G) Selection of Arc-Rated Clothing and Other PPE When the Incident Energy Analysis
Method Is Used. At minimum these would require the use of arc rated clothing and equipment by the task
qualified workers including at least an arc rated face shield, arc rated balaclava, arc rated clothing, leather
gloves, and standard issued PPE when performing the lock out procedure or to interact with the MCC,
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5
panelboard, or disconnect in question. If this approach is taken, the under-layer clothing shall be 100% natural
fiber non-melting clothing per NFPA 70E. After the disconnect switch is operated to the “off” position and
electrically verified then lock out procedures can be performed on the equipment under an electrically safe
work condition without any arc rated PPE.
205.3 General Maintenance Requirements. Electrical equipment shall be maintained in accordance
with manufacturers’ instructions or industry consensus standards to reduce the risk
associated with failure. The equipment owner or the owner’s designated representative
shall be responsible for maintenance of the electrical equipment and documentation.
Informational Note No.1: Common industry practice is to apply test or calibration decals to
equipment to indicate the test or calibration date and overall condition of equipment that has been
tested and maintained in the field. These decals provide the employee immediate indication of last
maintenance date and if the tested device or system was found acceptable on the date of test. This
local information can assist the employee in the assessment of overall electrical equipment
maintenance status.
Informational Note No. 2: Noncontact diagnostic methods in addition to scheduled maintenance
activities of electrical equipment can assist in the identification of electrical anomalies.
205.4 Overcurrent Protective Devices. Overcurrent protective devices shall be maintained in
accordance with the manufacturers’ instructions or industry consensus standards. Maintenance,
tests, and inspections shall be documented.
210.5 Protective Devices. Protective devices shall be maintained to adequately withstand or interrupt
available fault current.
Informational Note: Improper or inadequate maintenance can result in increased opening time of
the overcurrent protective device, thus increasing the incident energy.
NFPA 70E® 2018, pg. 40-41
Equipment Labeling
The switchboard sections will be labeled to the actual incident energy levels per the requirements of IEEE 1584
and NFPA 70E for testing, troubleshooting and interacting with the device with exposed energized parts. All
disconnects that could require maintenance, testing or trouble shootings will be labeled to the requirements
of NFPA 70E® 130.5(H).
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130.5
(H)
…
6
Arc Flash Risk Assessment.
Equipment Labeling. Electrical equipment such as switchboards, panel boards, industrial control
panels, meter socket enclosures, and motor control centers that are in other than dwelling units
and that are likely to require examination, adjustment, servicing, or maintenance while energized
shall be field-marked with a label containing all the following information:
(1) Nominal system voltage
(2) Arc flash boundary
(3) At least one of the following:
a.
b.
c.
Available incident energy and the corresponding working distance, or the arc flash PPE
category in Table 130.7(C)(15)(b) or Table 130.7(C)(15)(b) for the equipment, but not
both
Minimum arc rating of clothing
Site-specific level of PPE
Exception: Labels applied prior to September 30, 2011 are acceptable if they contain the available
incident energy or required level of PPE.
NFPA 70E® 2018, pg. 25
The method of calculating and the data to support the information for the label shall be documented. The data
shall be reviewed for accuracy at intervals not to exceed 5 years. Where the review of the data identifies a
change that renders the label inaccurate, the label shall be updated.
The owner of the electrical equipment shall be responsible for the documentation, installation, and
maintenance of the field-marked label.
The labels provided are based on a site-specific PPE selection as per NFPA 70E-2018 130.5(H)(3)(c) and the PPE
Poster in this report. Refer to the table below and further details provided at the end of the Incident Energy
Summary Report.
Level
Incident Energy
Arc Rated Clothing
0
0.0 - 1.2 cal/cm2
Nonmelting or Untreated Fiber with Weight >= 4.5 oz/sq yd
1
2
3
4
1.2 - 4.0
cal/cm2
4.0 - 8.0 cal/cm2
8.0 - 25.0
cal/cm2
25.0 - 40.0 cal/cm2
Dangerous 40.0 – 999.0 cal/cm2
Site Specific PPE Selection
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Arc-rated shirt & pants + arc-rated coverall (min 4cal/cm2)
Arc-rated shirt & pants + arc-rated coverall (min 8cal/cm2)
Arc-rated shirt & pants + arc-rated coverall + arc-rated arc flash
suit (min 25cal/cm2)
Arc-rated shirt & pants + arc-rated coverall + arc-rated arc flash
suit (min 40cal/cm2)
DO NOT WORK ON LIVE!
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System Mis-coordination
The Incident Energy Summary Report indicates no areas of over current device mis-coordination on Samtec
equipment.
Equipment Evaluation Report
The Device Evaluation Summary Reports indicate no devices of marginal ratings relative to the device in
question.
Additional NFPA 70E Requirements
A written Electrical Safety Program (ESP) is required by NFPA 70E. This requirement incorporates criteria for all
aspects of electric safety. An Electrical Safety Program provides a framework for assessing risks, i.e. an arc flash
study, training and procedures related to maintenance, labeling, and safe work practices.
110.1 Electrical Safety Program.
(A)
…
(C)
…
(H)
General. The employer shall implement and document an overall electrical safety program that
directs activity appropriate to the risk associated with electrical hazards. The electrical safety
program shall be implemented as part of the employer’s overall occupational health and safety
management system, when one exists.
Informational Note No. 1: Safety-related work practices such as verification of proper maintenance
and installation, alerting techniques, auditing requirements, and training requirements provided in
this standard are administrative controls and part of an overall electrical safety program.
Condition of Maintenance. The electrical safety program shall include elements that consider
condition of maintenance of electrical equipment and systems.
Risk Assessment Procedure. The electrical safety program shall include a risk assessment
procedure and shall comply with 110.1(H)(1) through 110.1(H)(3)…
(1) Elements of the Risk Assessment Procedure.
(2) Human Error.
(3) Hierarchy of Risk Control Methods.
NFPA 70E® 2018, pg. 14
NFPA 70E requires initial qualified training and retraining every three years for your qualified electrical
workers. We typically recommend electrical safety training after the labeling activity as this can provide a
customized session for your specific equipment and what the labels require as far as proper work practices.
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110.2(A)
(1)
(3)
8
Training Requirements. Electrical Safety Training.
Qualified Person. A qualified person shall be trained and knowledgeable in the construction and
operation of equipment or a specific work method and be trained to identify and avoid the
electrical hazards that might be present with respect to that equipment or work method.
(a) Such persons shall also be familiar with the proper use of the special precautionary techniques,
applicable electrical policies and procedures, PPE, insulating and shielding materials, and insulated
tools and test equipment. A person can be considered qualified with respect to certain equipment
and methods but still be unqualified for others.
…
Retraining. Retraining in safety-related work practices and applicable changes in this standard
shall be performed at intervals not to exceed three years. An employee shall receive additional
training (or retraining) if any of the following conditions exists:
(1) The supervision or annual inspections indicate that the employee is not complying with the
safety-related work practices.
(2) New technology, new types of equipment, or changes in procedures necessitate the use of
safety-related work practices that are different from those that the employee would normally use.
(3) The employee must employ safety-related work practices that are not normally used during his
or her regular job duties.
NFPA 70E® 2018, pg. 15-16
This arc flash study should be reviewed and updated anytime there is a significant change in equipment,
facility expansion/renovation, or at least every five years as required by NFPA 70E. If the utility contacts you
for a service interruption, ask the question for what purpose. If they are upgrading the transmission line or
transmission / distribution transformers, this is your indication to find out what the change will be to your
incoming fault current and relay clearing times which can affect the arc flash calculations.
If the utility hasn’t changed anything relative to your incoming service fault current and you have not changed
anything in your distribution system on site, then the review can be a very simple process of noting this fact
every five years. A verification from the utility contribution as indicated in the utility information in this
document and listed on the drawing is all that would be required.
General Information
The panelboard located outside of the distilling area was not locked. Since it is accessible to the public, it
should be locked. Panelboards A and B doors and covers are severely misaligned and should be repaired or
replaced. Several electrical panels had items stored within 38”. Those items should be removed to allow for
emergency access to electrical equipment.
The calculations and resultant incident energy levels are based upon the overcurrent device operating as
designed and maintained. Maintenance intervals should be based on the manufacturer’s recommendations or
industry consensus testing standards. This is typically a 3-year interval based on the conditions of the
equipment. The NETA documents provide guidance to adjust these intervals based on location conditions.
Layering of Arc rated clothing is allowed, as long as it has been tested as a system. This information is available
on the clothing makers WEB sites as well as on ArcWear.com. Contact your clothing supplier for rating
information on your specific PPE.
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Taking the Flash Out of Electrical Safety
SERVICES OVERVIEW
ARC FLASH INCIDENT ENERGY
SUMMARY REPORT
elect rical
WORKPLA CE SA FETY
INCIDENT ENERGY SUMMARY REPORT
1
2
3
4
A
Bus Name
AIR COMPRESSOR 3
5 DISC
6
7 BOILER 2
8
BOTTLING CONTROL
9 PANEL
10
BOTTLING CP DISC
11
12
BOTTOM AUGER
13
14
15 CIRC PUMP BOILER 1
16
17 CIRC PUMP BOILER 2
18
COOLING TOWER
19
20
DISC C REAR BLDG
COOL RM
21
22
DISTILLING CP FEED
23 #1
24
DISTILLING CP FEED
25 #2
26
DOCK CONTROL
27 PANEL
28
DOCK CONTROL
29 PANEL DISC
30
HAMMER MILL
CONTROL PANEL
31
32
LGE CUBICLE
33
34
MARLEY PUMP
35
36
B
Protective
Device
Name
C
D
E
F
G
Bus Prot Dev Prot Dev
Bus Bus
kV Bolted Arcing Bolted Arcing
Fault Fault
Fault
Fault
(kA)
(kA)
(kA)
(kA)
PNL 1 BRK 20 0.208 2.23 0.89
2.23
0.89
PNL 2 BRK 2
H
I
J
K
L
M
N
O
P
Q
Working
Arc
Trip/ Breaker Equip Electrode Box
Box
Box Gap
Delay Opening Type Config Width Height Depth (mm) Flash Distance
Boundary
(in)
Time Time/Tol
(in)
(in)
(in)
(sec.) (sec.)
(in)
0.0084 0.0000 PNL
VCB 12
14
10
25
1
18
R
Incident
Energy
(cal/cm2)
S
PPE Level /
Notes (*N)
0.02
Level 0
0.208
2.73
1.11
2.73
1.11 0.0083
0.0000 PNL
VCB
12
14
10
25
1
18
0.02
Level 0
PANEL D BRK 0.208
1
1.79
0.70
1.79
0.70
1.737
0.0000 PNL
VCB
12
14
10
25
18
18
< 1.2
Level 0
(*N15b)
PANEL D BRK 0.208
1
2.43
0.98
2.43
0.98
0.017
0.0000 PNL
VCB
12
14
10
25
2
18
0.04
Level 0
PNL 2 BRK 19 0.208
1.54
0.60
1.54
0.60 0.0083
0.0000 PNL
VCB
12
14
10
25
1
18
0.01
Level 0
(*N15b)
PNL 2 BRK 7
0.208
2.46
0.99
2.46
0.99 0.0083
0.0000 PNL
VCB
12
14
10
25
1
18
0.02
Level 0
PNL 2 BRK 13 0.208
2.20
0.88
2.20
0.88 0.0083
0.0000 PNL
VCB
12
14
10
25
1
18
0.02
Level 0
PNL 1 BRK 19 0.208
0.96
0.36
0.96
0.36
1.958
0.0000 PNL
VCB
12
14
10
25
18
18
< 1.2
Level 0
(*N15b)
DISC C REAR 0.208
BLDG BRK
1.29
0.43
1.29
0.43 0.9586
0.0000 PNL
VCB
12
14
10
25
14
18
0.84
Level 0
(*N3)
(*N15b)
PNL 1 BRK 1
0.208
8.91
4.04
8.91
4.04 0.0083
0.0000 PNL
VCB
12
14
10
25
3
18
0.08
Level 0
PNL 1 BRK 2
0.208
8.91
4.04
8.91
4.04 0.0083
0.0000 PNL
VCB
12
14
10
25
3
18
0.08
Level 0
PNL 1 BRK 13 0.208
(PD-0039)
4.65
1.99
4.65
1.99 0.0083
0.0000 PNL
VCB
12
14
10
25
2
18
0.04
Level 0
(*N5)
PNL 1 BRK 13 0.208
4.87
2.09
4.87
2.09 0.0083
0.0000 PNL
VCB
12
14
10
25
2
18
0.04
Level 0
PNL 1 BRK 8
1.50
0.50
1.50
0.50
1.853
0.0000 PNL
VCB
12
14
10
25
18
18
< 1.2
Level 0
(*N3)
(*N15b)
XFMR 648409 0.208 15.92
FUSE
6.37
15.92
6.37
1.695
0.0000 PNL
VCB
12
14
10
25
122
18
25.7
Level 4
(*N3)
PNL 1 BRK 26 0.208
0.79
1.99
0.79 0.0083
0.0000 PNL
VCB
12
14
10
25
1
18
0.01
Level 0
(*N15b)
0.208
1.99
Page 1 of 4
INCIDENT ENERGY SUMMARY REPORT
1
2
3
4
A
Bus Name
MASH COOLING
B
Protective
Device
Name
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
Working
Arc
Box
Box Gap
Bus Prot Dev Prot Dev Trip/ Breaker Equip Electrode Box
Bus Bus
kV Bolted Arcing Bolted Arcing Delay Opening Type Config Width Height Depth (mm) Flash Distance
Boundary
(in)
Fault Fault
Fault
Fault
Time Time/Tol
(in)
(in)
(in)
(kA)
(kA)
(sec.) (sec.)
(kA)
(kA)
(in)
PNL 1 BRK 37 0.208 1.43 0.48
1.43
0.48 1.269 0.0000 PNL
VCB 12
14
10
25
18
18
R
Incident
Energy
(cal/cm2)
< 1.2
Level 0
(*N3)
(*N15b)
37
38
39
40
PANEL 1
PANEL 1 HAMMER
41 MILL
42
PANEL 1 MILL
43 DISCONNECT
44
PANEL 2
45
46
PANEL 2 BLOWER
47 FAN
48
PANEL 2
49 COMPRESSOR
50
PANEL 3
51
52
PANEL 3 MAIN
53
54
PANEL 4
55
56
PANEL 4 MAIN
57
58
PANEL 5 MAIN
59
60
PANEL A
61
62
PANEL A MAIN
63
64
PANEL B
65
66
S
PPE Level /
Notes (*N)
FUSE 3
PANEL 1
0.208 10.81
4.28
10.81
4.28 0.5968
0.0000 PNL
VCB
12
14
10
25
49
18
5.93
Level 2
(*N3)
PNL 1 BRK 7
(PD-0038)
0.208
5.03
2.17
5.03
2.17 0.0083
0.0000 PNL
VCB
12
14
10
25
2
18
0.04
Level 0
(*N5)
PNL 1 BRK 7
0.208
5.29
2.29
5.29
2.29 0.0083
0.0000 PNL
VCB
12
14
10
25
2
18
0.04
Level 0
FUSE 6
PANEL 2
0.208 10.81
4.28
10.81
4.28 0.5968
0.0000 PNL
VCB
12
14
10
25
49
18
5.93
Level 2
(*N3)
PNL 2 BRK 14 0.208
2.80
1.14
2.80
1.14 0.0083
0.0000 PNL
VCB
12
14
10
25
1
18
0.02
Level 0
PNL 2 BRK 1
3.73
1.56
3.73
1.56 0.0083
0.0000 PNL
VCB
12
14
10
25
2
18
0.03
Level 0
PANEL 3 MAIN 0.208 11.00
BRK
5.05
11.00
5.05
0.01
0.0000 PNL
VCB
12
14
10
25
4
18
0.12
Level 0
FUSE 2
PANEL 3
0.208 11.15
4.42
11.15
4.42 0.0269
0.0000 PNL
VCB
12
14
10
25
7
18
0.28
Level 0
(*N3)
PANEL 4 MAIN 0.208 10.80
BRK
4.96
10.80
4.96
0.01
0.0000 PNL
VCB
12
14
10
25
4
18
0.11
Level 0
FUSE 1
PANEL 4
0.208 10.94
4.33
10.94
4.33 0.0294
0.0000 PNL
VCB
12
14
10
25
7
18
0.30
Level 0
(*N3)
FUSE 5
PANEL 5
0.208
5.49
2.05
5.49
2.05 0.8713
0.0000 PNL
VCB
12
14
10
25
38
18
3.99
Level 1
(*N3)
PANEL A
MAIN BRK
0.208 15.09
7.01
15.09
7.01
0.025
0.0000 PNL
VCB
12
14
10
25
9
18
0.41
Level 0
XFMR 648409 0.208 15.32
FUSE
6.13
15.32
6.13
1.882
0.0000 PNL
VCB
12
14
10
25
127
18
27.4
Level 4
(*N3)
PANEL A
MAIN BRK0
6.96
14.98
6.96
0.025
0.0000 PNL
VCB
12
14
10
25
9
18
0.41
Level 0
0.208
0.208 14.98
Page 2 of 4
INCIDENT ENERGY SUMMARY REPORT
1
2
3
4
67
68
69
70
71
72
73
74
A
Bus Name
PANEL B MAIN
B
Protective
Device
Name
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
Working
Arc
Box
Box Gap
Bus Prot Dev Prot Dev Trip/ Breaker Equip Electrode Box
Bus Bus
kV Bolted Arcing Bolted Arcing Delay Opening Type Config Width Height Depth (mm) Flash Distance
Boundary
(in)
Fault Fault
Fault
Fault
Time Time/Tol
(in)
(in)
(in)
(kA)
(kA)
(sec.) (sec.)
(kA)
(kA)
(in)
XFMR 648409 0.208 15.20 6.08
14
10
25
128
18
15.20
6.08 1.921 0.0000 PNL
VCB 12
FUSE
R
Incident
Energy
(cal/cm2)
27.7
Level 4
(*N3)
PANEL C
WH SUB
0.208
PANEL C BRK
7.77
3.00
7.77
3.00 0.1504
0.0000 PNL
VCB
12
14
10
25
16
18
1.03
Level 0
(*N3)
PANEL D
PANEL D
MAIN BRK
0.208
7.48
3.34
7.48
3.34
0.01
0.0000 PNL
VCB
12
14
10
25
3
18
0.08
Level 0
PANEL D EXHAUST
FAN
PANEL D BRK 0.208
2
0.77
0.28
0.77
0.28
2
0.0000 PNL
VCB
12
14
10
25
17
18
1.14
Level 0
(*N9)
(*N15b)
WH SUB
0.208
PANEL D BRK
7.55
2.91
7.55
2.91 0.1789
0.0000 PNL
VCB
12
14
10
25
18
18
1.18
Level 0
(*N3)
PNL 1 BRK 31 0.208
2.23
0.89
2.23
0.89 0.0084
0.0000 PNL
VCB
12
14
10
25
1
18
0.02
Level 0
PNL 1 BRK 32 0.208
2.23
0.89
2.23
0.89 0.0084
0.0000 PNL
VCB
12
14
10
25
1
18
0.02
Level 0
PNL 1 BRK 25 0.208
1.01
0.33
1.01
0.33
1.23
0.0000 PNL
VCB
12
14
10
25
14
18
0.82
Level 0
(*N3)
(*N15b)
PNL 3 BACKDOCK
PNL 3 BRK 10 0.208
2.00
0.68
2.00
0.68 0.2647
0.0000 PNL
VCB
12
14
10
25
9
18
0.38
Level 0
(*N3)
(*N15b)
PNL 4 FOAMER
OUTLET
PNL 4 BRK 5
0.208
1.99
0.68
1.99
0.68 0.2662
0.0000 PNL
VCB
12
14
10
25
9
18
0.38
Level 0
(*N3)
(*N15b)
0.208
2.08
0.71
2.08
0.71 0.3347
0.0000 PNL
VCB
12
14
10
25
10
18
0.50
Level 0
(*N3)
0.208
5.56
2.08
5.56
2.08 0.0279
0.0000 PNL
VCB
12
14
10
25
4
18
0.13
Level 0
(*N3)
0.208
2.00
0.68
2.00
0.68 0.2647
0.0000 PNL
VCB
12
14
10
25
9
18
0.38
Level 0
(*N3)
(*N15b)
0.208
1.99
0.68
1.99
0.68 0.2662
0.0000 PNL
VCB
12
14
10
25
9
18
0.38
Level 0
(*N3)
(*N15b)
PANEL D MAIN
75
76
77 PNL 1 HEATER 1
78
79 PNL 1 HEATER 2
80
PNL 1 HOIST
81
82
83
84
85
86
S
PPE Level /
Notes (*N)
PNL A 3PH CHARGER 3PH
CHARGER
87
BRK
88
PNL AT REAR BLDG
PNL REAR
89
BLDG BRK
90
PNL3 FORKLIFT
PNL 4 BRK 15
CHARGER
91
92
PNL4 FORKLIFT
PNL 4 BRK 37
CHARGER
93
94
Page 3 of 4
INCIDENT ENERGY SUMMARY REPORT
1
2
3
4
95
96
97
98
99
100
A
Bus Name
ROLLER MILL
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
Working
Arc
Box
Box Gap
Bus Prot Dev Prot Dev Trip/ Breaker Equip Electrode Box
Bus Bus
kV Bolted Arcing Bolted Arcing Delay Opening Type Config Width Height Depth (mm) Flash Distance
Boundary
(in)
Fault Fault
Fault
Fault
Time Time/Tol
(in)
(in)
(in)
(kA)
(kA)
(sec.) (sec.)
(kA)
(kA)
(in)
PNL 1 BRK 14 0.208 1.06 0.40
1.06
0.40 1.697 0.0000 PNL
VCB 12
14
10
25
18
18
R
Incident
Energy
(cal/cm2)
S
PPE Level /
Notes (*N)
< 1.2
Level 0
(*N15b)
2
0.0000 PNL
VCB
12
14
10
25
126
18
27.0
Level 4
(*N9)
1.54
0.60 0.0086
0.0000 PNL
VCB
12
14
10
25
1
18
0.01
Level 0
(*N15b)
3.34
8.58
3.34 0.0949
0.0000 PNL
VCB
12
14
10
25
13
18
0.73
Level 0
(*N3)
3.09
7.98
3.09 0.1356
0.0000 PNL
VCB
12
14
10
25
16
18
0.95
Level 0
(*N3)
SIEMENS MAIN SWBD XFMR 33669
FUSE
0.208 12.52
5.79
12.52
TOP BAG AUGER
PNL 2 BRK 8
0.208
1.54
0.60
FUSE 4
PANEL 6
0.208
8.58
PD-0040
0.208
7.98
YORK CHILLER
101 DISCONNECT
102
YORK CHILLER UNIT
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
B
Protective
Device
Name
5.79
Device with
80% Cleared
Fault
For additional information refer to NFPA 70 E, Standard for Electrical Safety in the Workplace.
(*N3) - Arcing Current Low Tolerances Used
(*N5) - Miscoordinated, Upstream Device Tripped
(*N9) - Max Arcing Duration Reached
(*N15b) - Apply exception if Bolted Fault Current < 2000 A (IEEE 1584 2018 Section 4.3)
IEEE 1584 2018 Bus Report - Comprehensive Fault (80% Cleared Fault Threshold, include Ind. Motors for 5.0 Cycles, mis-coordination checked
#Equip Eval Failed = 0
#Bus Equip Eval Failed = 0
Level 0: Nonmelting or Untreated Fiber with Weight >= 4.5 oz/sq yd
0.0 - 1.2 cal/cm^2
Level 1: Arc-rated shirt & pants or arc-rated coverall. Arc-rated blaclava & face-shield or arc flash hood.
1.2 - 4.0 cal/cm^2
Level 2: Arc-rated shirt & pants or arc-rated coverall. Arc-rated blaclava & face-sheild or arc flash hood.
4.0 - 8.0 cal/cm^2
Level 3: Arc-rated shirt & pants + arc-rated coverall + arc-rated arc flash suit & hood.
8.0 - 25.0 cal/cm^2
Level 4: Arc-rated shirt & pants + arc-rated coverall + arc-rated arc flash suit & hood.
25.0 - 40.0 cal/cm^2
Level Dangerous!: DO NOT WORK ON LIVE!
40.0 - 999.0 cal/cm^2
Page 4 of 4
#Level 0 = 43
#Level 1 = 1
#Level 2 = 2
#Level 4 = 4
Taking the Flash Out of Electrical Safety
SERVICES OVERVIEW
ARC FLASH EQUIPMENT
EVALUATION
elect rical
WORKPLA CE SA FETY
EQUIPMENT EVALUATION
1 Device/Bus
2 Manufacturer
A
3 3PH CHARGER BRK
4 PANEL A
B
Status
Description
Bus/Device/ Rating%
Calc/Dev/Series Rating%
Passed
THQB
208
15.55 (*N1)
15-100A
240
10.00/22.00
THQB
86.67
70.69
THQB
208
15.40 (*N1)
15-100A
240
10.00/22.00
86.67
69.99
5 GE
6
7 DISC C REAR BLDG BRK
8 PANEL B
Passed
9 GE
10
11 FUSE 1 PANEL 4
12 SIEMENS MAIN SWBD
15 FUSE 2 PANEL 3
16 SIEMENS MAIN SWBD
Passed
Passed
19 FUSE 3 PANEL 1
20 SIEMENS MAIN SWBD
22
23 FUSE 4 PANEL 6
24 SIEMENS MAIN SWBD
27 FUSE 5 PANEL 5
28 SIEMENS MAIN SWBD
31 FUSE 6 PANEL 2
32 SIEMENS MAIN SWBD
33 GOULD SHAWMUT
200.00
83.20
6.26
208
12.52
TR, 250V Class RK5
TR, 250V Class RK5
TR
Passed
Passed
200.00
6.26
208
12.52
250
200.00
83.20
6.26
208
12.52
15-600A
250
200.00
83.20
6.26
TR, 250V Class RK5
208
12.52
15-600A
250
200.00
83.20
6.26
TR
Passed
250
83.20
TR, 250V Class RK5
TR
29 GOULD SHAWMUT
30
12.52
250
15-600A
25 GOULD SHAWMUT
26
208
TR
21 GOULD SHAWMUT
INT kA
15-600A
15-600A
Passed
E
TR, 250V Class RK5
TR
17 GOULD SHAWMUT
18
D
Voltage (V)
THQB
13 GOULD SHAWMUT
14
C
TR, 250V Class RK5
208
12.52
15-600A
250
200.00
83.20
6.26
TR
34
Page 1 of 6
F
C-L kA
G
X/R
Calc/Dev/ Rating%
1.96
1.94
1.95
1.95
1.95
1.95
1.95
1.95
EQUIPMENT EVALUATION
1 Device/Bus
2 Manufacturer
A
35 PANEL 3 MAIN BRK
36 PANEL 3 MAIN
B
Status
Description
Passed
HQR2
39 PANEL 4 MAIN BRK
40 PANEL 4 MAIN
Passed
41 SIEMENS
42
43 PANEL A MAIN BRK
44 PANEL A MAIN
Passed
47 PANEL A MAIN BRK0
48 PANEL B MAIN
50
51 PANEL D BRK 1
52 PANEL D
54
55 PANEL D BRK 2
56 PANEL D
57 SIEMENS
58
59 PANEL D MAIN BRK
60 PANEL D MAIN
63 PD-0038
64 PANEL 1 MILL DISCONNECT
65 BUSSMANN
208
10.94
100-250A, UL
240
65.00
86.67
16.84
SGDA, Spectra RMS
208
15.32
125-400A
240
65.00
86.67
23.57
208
15.20
SGDA, Spectra RMS
BLH, 2 & 3-Pole
Passed
65.00
23.39
208
7.48
240
22.00
86.67
33.99
208
7.48
15-100A
240
22.00
86.67
33.99
HQR2
208
7.55
100-250A, UL
240
65.00
86.67
11.62
HQR2
Passed
240
86.67
BLH, 2 & 3-Pole
BLH
61 SIEMENS
62
HQR2
BLH
Passed
11.15
17.15
15-100A
53 SIEMENS
Calc/Dev/Series Rating%
208
65.00
SGDA
Passed
Bus/Device/ Rating%
240
125-400A
49 GE
INT kA
86.67
SGDA
Passed
E
HQR2
HQR2
45 GE
46
D
Voltage (V)
100-250A, UL
37 SIEMENS
38
C
FRS-R, 600V Class RK5
208
5.29
1-600A
600
200.00
FRS-R
34.67
2.64
66
Page 2 of 6
F
C-L kA
G
X/R
Calc/Dev/ Rating%
1.68
1.64
1.99
1.97
0.82
0.82
0.82
0.66
EQUIPMENT EVALUATION
1 Device/Bus
2 Manufacturer
A
67 PD-0039
68 DOCK CONTROL PANEL DISC
B
Status
Description
Passed
FRS-R, 600V Class RK5
69 BUSSMANN
70
71 PD-0040
72 YORK CHILLER DISCONNECT
Passed
73 GOULD SHAWMUT
74
75 PNL 1 BRK 1
76 PANEL 1
79 PNL 1 BRK 13
80 PANEL 1
Passed
Passed
83 PNL 1 BRK 14
84 PANEL 1
86
87 PNL 1 BRK 19
88 PANEL 1
91 PNL 1 BRK 2
92 PANEL 1
95 PNL 1 BRK 20
96 PANEL 1
97 CUTLER-HAMMER
1-600A
600
200.00
FRS-R
34.67
2.43
TR, 250V Class RK5
208
8.58
15-600A
250
200.00
83.20
4.29
BAB, 3-Pole
208
10.81
15-100A
240
10.00/65.00
86.67
16.63
208
10.81
BAB, 3-Pole
BAB, 3-Pole
BAB
Passed
Passed
10.00/65.00
16.63
208
10.81
240
10.00/22.00
86.67
49.15
208
10.81
15-100A
240
10.00/22.00
86.67
49.15
BAB, 3-Pole
208
10.81
15-100A
240
10.00/65.00
86.67
16.63
BAB
Passed
240
86.67
BAB, 3-Pole
BAB
93 CUTLER-HAMMER
94
4.87
15-100A
89 CUTLER-HAMMER
90
Calc/Dev/Series Rating%
BAB
85 CUTLER-HAMMER
INT kA
208
15-100A
Passed
E
Bus/Device/ Rating%
BAB
81 CUTLER-HAMMER
82
D
Voltage (V)
TR
77 CUTLER-HAMMER
78
C
BAB, 3-Pole
208
10.81
15-100A
240
10.00/22.00
86.67
49.15
BAB
98
Page 3 of 6
F
C-L kA
G
X/R
Calc/Dev/ Rating%
0.62
1.31
1.62
1.62
1.62
1.62
1.62
1.62
EQUIPMENT EVALUATION
1 Device/Bus
2 Manufacturer
A
99 PNL 1 BRK 25
100 PANEL 1
B
Status
Description
Passed
BAB, 3-Pole
103 PNL 1 BRK 26
104 PANEL 1
BAB
Passed
105 CUTLER-HAMMER
106
107 PNL 1 BRK 31
108 PANEL 1
Passed
111 PNL 1 BRK 32
112 PANEL 1
114
115 PNL 1 BRK 37
116 PANEL 1
118
119 PNL 1 BRK 7
120 PANEL 1
121 CUTLER-HAMMER
122
123 PNL 1 BRK 8
124 PANEL 1
125 CUTLER-HAMMER
126
127 PNL 2 BRK 1
128 PANEL 2
129 CUTLER-HAMMER
49.15
49.15
BAB, 3-Pole
208
10.81
15-100A
240
10.00/22.00
86.67
49.15
208
10.81
BAB, 3-Pole
BAB, 3-Pole
240
10.00/22.00
86.67
49.15
208
10.81
240
10.00/22.00
86.67
49.15
BAB, 3-Pole
208
10.81
15-100A
240
10.00/65.00
86.67
16.63
BAB, 3-Pole
208
10.81
15-100A
240
10.00/22.00
86.67
49.15
BAB
Passed
10.00/22.00
86.67
BAB
Passed
240
86.67
10.81
BAB
Passed
10.81
10.00/22.00
15-100A
117 CUTLER-HAMMER
Calc/Dev/Series Rating%
208
240
BAB
Passed
Bus/Device/ Rating%
208
15-100A
113 CUTLER-HAMMER
INT kA
15-100A
BAB
Passed
E
BAB, 3-Pole
BAB
109 CUTLER-HAMMER
110
D
Voltage (V)
15-100A
101 CUTLER-HAMMER
102
C
BAB, 3-Pole
208
10.81
15-100A
240
10.00/22.00
86.67
49.15
BAB
130
Page 4 of 6
F
C-L kA
G
X/R
Calc/Dev/ Rating%
1.62
1.62
1.62
1.62
1.62
1.62
1.62
1.62
EQUIPMENT EVALUATION
1 Device/Bus
2 Manufacturer
A
131 PNL 2 BRK 13
132 PANEL 2
B
Status
Description
Passed
BAB, 3-Pole
135 PNL 2 BRK 14
136 PANEL 2
BAB
Passed
137 CUTLER-HAMMER
138
139 PNL 2 BRK 19
140 PANEL 2
Passed
143 PNL 2 BRK 2
144 PANEL 2
146
147 PNL 2 BRK 7
148 PANEL 2
150
151 PNL 2 BRK 8
152 PANEL 2
153 CUTLER-HAMMER
154
155 PNL 3 BRK 10
156 PANEL 3
157 SIEMENS
158
159 PNL 4 BRK 15
160 PANEL 3
161 SIEMENS
49.15
49.15
BAB, 3-Pole
208
10.81
15-100A
240
10.00/22.00
86.67
49.15
208
10.81
BAB, 3-Pole
BAB, 3-Pole
240
10.00/22.00
86.67
49.15
208
10.81
240
10.00/22.00
86.67
49.15
BAB, 3-Pole
208
10.81
15-100A
240
10.00/22.00
86.67
49.15
BL, 2 & 3-Pole
208
11.00
15-125A
240
10.00/22.00
86.67
49.98
BL
Passed
10.00/22.00
86.67
BAB
Passed
240
86.67
10.81
BAB
Passed
10.81
10.00/22.00
15-100A
149 CUTLER-HAMMER
Calc/Dev/Series Rating%
208
240
BAB
Passed
Bus/Device/ Rating%
208
15-100A
145 CUTLER-HAMMER
INT kA
15-100A
BAB
Passed
E
BAB, 3-Pole
BAB
141 CUTLER-HAMMER
142
D
Voltage (V)
15-100A
133 CUTLER-HAMMER
134
C
BL, 2 & 3-Pole
208
11.00
15-125A
240
10.00/22.00
86.67
49.98
BL
162
Page 5 of 6
F
C-L kA
G
X/R
Calc/Dev/ Rating%
1.62
1.62
1.62
1.62
1.62
1.62
1.66
1.66
EQUIPMENT EVALUATION
1 Device/Bus
2 Manufacturer
A
163 PNL 4 BRK 37
164 PANEL 4
B
Status
Description
Passed
BL, 2 & 3-Pole
167 PNL 4 BRK 5
168 PANEL 4
BL
Passed
169 SIEMENS
170
171 PNL REAR BLDG BRK
172 PANEL B
Passed
175 WH SUB PANEL C BRK
176 PANEL A
Passed
178
179 WH SUB PANEL D BRK
180 PANEL B
Passed
182
183 XFMR 33669 FUSE
184 LGE TLM#33669 BUS
185 COOPER
186
187 XFMR 648409 FUSE
188 LGE TLM#33669 BUS0
189 COOPER
Passed
Calc/Dev/Series Rating%
208
10.80
240
10.00/22.00
86.67
49.08
10.80
240
10.00/22.00
86.67
49.08
THQB
208
15.40 (*N1)
15-100A
240
10.00/22.00
THQB
86.67
69.99
TMQB
208
15.09
240
42.00
TMQB
86.67
35.93
TMQB
208
14.98
240
42.00
86.67
35.66
TMQB
Passed
Bus/Device/ Rating%
208
60-125A
181 GE
INT kA
15-125A
60-125A
177 GE
E
BL, 2 & 3-Pole
BL
173 GE
174
D
Voltage (V)
15-125A
165 SIEMENS
166
C
F
C-L kA
Calc/Dev/ Rating%
1.62
1.62
1.94
1.96
1.94
Bay-O-Net Current Sensing Fuse Link, 23kV
12470
3.81
5.27
C4-C17
15500
2.50/5.00
6.23
353C10
80.45
76.16
84.46
Bay-O-Net Current Sensing Fuse Link, 23kV
12470
3.81
5.27
C4-C17
15500
2.50/5.00
6.23
353C10
80.45
76.16
84.46
190
191
192 (*N1) System X/R higher than Test X/R, Calc INT kA modified based on low voltage factor.
Page 6 of 6
G
X/R
8.00
8.00
Taking the Flash Out of Electrical Safety
SERVICES OVERVIEW
ARC FLASH MODEL
elect rical
WORKPLA CE SA FETY
LGE TLM#33669
SystemNominalVoltage 12470.0 V
Isc 3P 3808.0 Amps
X/R 3P 8.0000
LGE TLM#64840
SystemNominalVoltage 12470.0 V
Isc 3P 3808.0 Amps
X/R 3P 8.0000
XFMR 33669 FUSE
Manufacturer COOPER
Frame/Model 353C10
Sensor/Trip 25.0 A
Settings
25.0 Amps
XFMR 648409 FUSE
Manufacturer COOPER
Frame/Model 353C10
Sensor/Trip 25.0 A
Settings
25.0 Amps
P
S
P
LGE XFMR 33669
Size 225 kVA
Pri FLA 10.4 A
Sec FLA 624.5 A
%Z 1.8000 %
S
CBL-0001
(2) Size 500 kcmil
Copper THWN
250.0 ft
Ampacity 760.0 A
LGE XFMR #64840
Size 225 kVA
Pri FLA 10.4 A
Sec FLA 624.5 A
%Z 1.6200 %
CBL-0008
(2) Size 500 kcmil
Copper THWN
175.0 ft
Ampacity 760.0 A
LGE CUBICLE
SIEMENS MAIN SWBD
Voltage 208.0 V
InitSymRMS 3P 12518.23 A
AF_TripTime 2.000 s
IncidentEnergy 26.97 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 126 inches
FUSE 1 PANEL 4
Manufacturer GOULD SHAWMU T
Frame/Model TR
Sensor/Trip 200.0 A
FUSE 2 PANEL 3
Manufacturer GOULD SHAWMUT
Frame/Model TR
Sensor/Trip 200.0 A
FUSE 3 PANEL 1
Manufacturer GOULD SHAWMU T
Frame/Model TR
Sensor/Trip 400.0 A
FUSE 4 PANEL 6
Manufacturer GOULD SHAWMUT
Frame/Model TR
Sensor/Trip 200.0 A
FUSE 5 PANEL 5
Manufacturer GOULD SHAWMU T
Frame/Model TR
Sensor/Trip 200.0 A
FUSE 6 PANEL 2
Manufacturer GOULD SHAWMU T
Frame/Model TR
Sensor/Trip 400.0 A
CBL-0002
(1) Size 4/0 AWG
Copper THWN
21.0 ft
Ampacity 230.0 A
CBL-0003
(1) Size 4/0 AWG
Copper THWN
18.0 ft
Ampacity 230.0 A
CBL-0004
(2) Size 4/0 AWG
Copper THWN
46.0 ft
Ampacity 460.0 A
CBL-0005
(1) Size 4/0 AWG
Copper THWN
65.0 ft
Ampacity 230.0 A
CBL-0007
(1) Size 4/0 AWG
Copper THWN
175.0 ft
Ampacity 230.0 A
CBL-0006
(2) Size 4/0 AWG
Copper THWN
46.0 ft
Ampacity 460.0 A
PANEL 4 MAIN
Voltage 208.0 V
InitSymRMS 3P 10944.44 A
AF_TripTime 0.029 s
IncidentEnergy 0.3 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 7 inches
PANEL 3 MAIN
Voltage 208.0 V
InitSymRMS 3P 11147.91 A
AF_TripTime 0.027 s
IncidentEnergy 0.28 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 7 inches
PANEL 4 MAIN BRK
Manufacturer SIEMENS
Frame/Model HQR2
Sensor/Trip 225.0 A
Plug 225.0 A
Settings
Fixed
PANEL 3 MAIN BRK
Manufacturer SIEMENS
Frame/Model HQR2
Sensor/Trip 200.0 A
Plug 200.0 A
Settings
Fixed
PANEL 4
Voltage 208.0 V
InitSymRMS 3P 10797.60 A
AF_Tr ipTime 0.010 s
IncidentEnergy 0.11 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 4 inches
PNL 4 BRK 5
Manufacturer SIEMENS
Frame/Model BL
Sensor/Trip 30.0 A
Plug 30.0 A
Settings
Thermal Curve (Fixed)
INST Fixed (525A)
CBL-0014
(1) Size 10 AWG
Copper THWN
45.0 ft
Ampacity 35.0 A
PNL 4 FOAMER OUTLET
Voltage 208.0 V
InitSymRMS 3P 1988.65 A
AF_TripTime 0.266 s
IncidentEnergy 0.38 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 9 inches
PNL 4 BRK 37
Manufacturer SIEMENS
Frame/Model BL
Sensor/Trip 30.0 A
Plug 30.0 A
Settings
Thermal Curve (Fixed)
INST Fixed (525A)
CBL-0015
(1) Size 10 AWG
Copper THWN
45.0 ft
Ampacity 35.0 A
PNL4 FORKLIFT CHARGER
Voltage 208.0 V
InitSymRMS 3P 1988.65 A
AF_Tr ipTime 0.266 s
IncidentEnergy 0.38 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 9 inches
YORK CHILLER DISCONNECT
Voltage 208.0 V
InitSymRMS 3P 8581.52 A
AF_Tr ipTime 0.095 s
IncidentEnergy 0.73 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 13 inches
CBL-0017
(1) Size 10 AWG
Copper THWN
45.0 ft
Ampacity 35.0 A
PNL 3 BACKDOCK
Voltage 208.0 V
InitSymRMS 3P 1995.64 A
AF_TripTime 0.265 s
IncidentEnergy 0.38 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 9 inches
CBL-0043
(1) Size 4/0 AWG
Copper THWN
15.0 ft
Ampacity 230.0 A
PNL 4 BRK 15
Manufacturer SIEMENS
Frame/Model BL
Sensor/Trip 30.0 A
Plug 30.0 A
Settings
Thermal Curve (Fixed)
INST Fixed (525A)
YORK CHILLER UNIT
Voltage 208.0 V
InitSymRMS 3P 7979.51 A
AF_Tr ipTime 0.136 s
IncidentEnergy 0.95 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 16 inches
CBL-0018
(1) Size 10 AWG
Copper THWN
45.0 ft
Ampacity 35.0 A
PANEL 5 MAIN
Voltage 208.0 V
InitSymRMS 3P 5486.32 A
AF_TripTime 0.871 s
IncidentEnergy 3.99 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 38 inches
PNL 2 BRK 1
Manufacturer CUTLER-HAMMER
Frame/Model BAB
Sensor/Tr ip 40.0 A
Plug 40.0 A
Settings
Fixed
CBL-0044
(1) Size 8 AWG
Copper THWN
30.0 ft
Ampacity 50.0 A
PNL 2 BRK 7
Manufacturer CUTLER-HAMMER
Frame/Model BAB
Sensor/Trip 20.0 A
Plug 20.0 A
Settings
Fixed
CBL-0045
(1) Size 10 AWG
Copper THWN
35.0 ft
Ampacity 35.0 A
CIRC PUMP BOILER 1
Voltage 208.0 V
InitSymRMS 3P 2464.95 A
AF_TripTime 0.008 s
IncidentEnergy 0.02 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 1 inches
PNL 2 BRK 13
Manufacturer CUTLER-HAMMER
Frame/Model BAB
Sensor/Trip 20.0 A
Plug 20.0 A
Settings
Fixed
CBL-0046
(1) Size 10 AWG
Copper THWN
40.0 ft
Ampacity 35.0 A
CIRC PUMP BOILER 2
Voltage 208.0 V
InitSymRMS 3P 2201.78 A
AF_TripTime 0.008 s
IncidentEnergy 0.02 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 1 inches
PNL 2 BRK 19
Manufacturer CUTLER-HAMMER
Frame/Model BAB
Sensor/Trip 20.0 A
Plug 20.0 A
Settings
Fixed
CBL-0047
(1) Size 10 AWG
Copper THWN
60.0 ft
Ampacity 35.0 A
BOTTOM AU GER
Voltage 208.0 V
InitSymRMS 3P 1540.17 A
AF_TripTime 0.008 s
IncidentEnergy 0.01 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 1 inches
PNL 2 BRK 2
Manufacturer CUTLER-HAMMER
Frame/Model BAB
Sensor/Trip 40.0 A
Plug 40.0 A
Settings
Fixed
CBL-0048
(1) Size 8 AWG
Copper THWN
45.0 ft
Ampacity 50.0 A
BOILER 2
Voltage 208.0 V
InitSymRMS 3P 2726.78 A
AF_TripTime 0.008 s
IncidentEnergy 0.02 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 1 inches
PNL 2 BRK 8
Manufacturer CUTLER-HAMMER
Frame/Model BAB
Sensor/Trip 30.0 A
Plug 30.0 A
Settings
Fixed
CBL-0049
(1) Size 10 AWG
Copper THWN
60.0 ft
Ampacity 35.0 A
TOP BAG AUGER
Voltage 208.0 V
InitSymRMS 3P 1540.17 A
AF_TripTime 0.009 s
IncidentEnergy 0.01 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 1 inches
CBL-0010
(2) Size 250 kcmil
Copper THWN
12.0 ft
Ampacity 510.0 A
PANEL A MAIN
Voltage 208.0 V
InitSymRMS 3P 15320.73 A
AF_TripTime 1.882 s
IncidentEnergy 27.39 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 127 inches
PANEL B MAIN
Voltage 208.0 V
InitSymRMS 3P 15204.81 A
AF_TripTime 1.921 s
IncidentEnergy 27.74 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 128 inches
PANEL A MAIN BR K
Manufacturer GE
Frame/Model SGDA
Sensor/Tr ip 400.0 A
Plug 400.0 A
Settings
MAX
PANEL A MAIN BRK0
Manufacturer GE
Frame/Model SGDA
Sensor/Trip 400.0 A
Plug 400.0 A
Settings
MAX
PANEL 2
Voltage 208.0 V
InitSymRMS 3P 10812.38 A
AF_TripTime 0.597 s
IncidentEnergy 5.93 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 49 inches
PANEL 2 COMPRESSOR
Voltage 208.0 V
InitSymRMS 3P 3729.98 A
AF_TripTime 0.008 s
IncidentEnergy 0.03 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 2 inches
PANEL A
Voltage 208.0 V
InitSymRMS 3P 15089.71 A
AF_TripTime 0.025 s
IncidentEnergy 0.41 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 9 inches
WH SUB PANEL C BRK
Manufacturer GE
Frame/Model TMQB
Sensor/Trip 125.0 A
Plug 125.0 A
Settings
Fixed
PNL 2 BRK 14
Manufacturer CUTLER-HAMMER
Frame/Model BAB
Sensor/Trip 30.0 A
Plug 30.0 A
Settings
Fixed
CBL-0050
(1) Size 10 AWG
Copper THWN
30.0 ft
Ampacity 35.0 A
CBL-0022
(1) Size 1/0 AWG
Copper THWN
65.0 ft
Ampacity 150.0 A
PANEL 2 BLOWER FAN
Voltage 208.0 V
InitSymRMS 3P 2797.93 A
AF_TripTime 0.008 s
IncidentEnergy 0.02 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 1 inches
PANEL C
Voltage 208.0 V
InitSymRMS 3P 7770.63 A
AF_TripTime 0.150 s
IncidentEnergy 1.03 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 16 inches
3PH CHARGER BRK
Manufacturer GE
Frame/Model THQB
Sensor/Trip 30.0 A
Plug 30.0 A
Settings
Fixed
CBL-0019
(1) Size 10 AWG
Copper THWN
45.0 ft
Ampacity 35.0 A
PNL A3PH CHARGER
Voltage 208.0 V
InitSymRMS 3P 2080.15 A
AF_TripTime 0.335 s
IncidentEnergy 0.5 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 10 inches
PNL3 FORKLIFT CHARGER
Voltage 208.0 V
InitSymRMS 3P 1995.64 A
AF_Tr ipTime 0.265 s
IncidentEnergy 0.38 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 9 inches
PANEL B
Voltage 208.0 V
InitSymRMS 3P 14976.99 A
AF_TripTime 0.025 s
IncidentEnergy 0.41 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 9 inches
PNL REAR BLDG BRK
Manufacturer GE
Frame/Model THQB
Sensor/Trip 100.0 A
Plug 100.0 A
Settings
Fixed
CBL-0020
(1) Size 2 AWG
Copper THWN
75.0 ft
Ampacity 115.0 A
PNL AT REAR BLDG
Voltage 208.0 V
InitSymRMS 3P 5556.26 A
AF_TripTime 0.028 s
IncidentEnergy 0.13 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 4 inches
DISC C REAR BLDG BRK
Manufacturer GE
Frame/Model THQB
Sensor/Trip 30.0 A
Plug 30.0 A
Settings
Fixed
WH SUB PANEL D BRK
Manufacturer GE
Frame/Model TMQB
Sensor/Trip 125.0 A
Plug 125.0 A
Settings
Fixed
CBL-0021
(1) Size 10 AWG
Copper THWN
75.0 ft
Ampacity 35.0 A
CBL-0023
(1) Size 1/0 AWG
Copper THWN
68.0 ft
Ampacity 150.0 A
DISC C REAR BLDG COOL RM
Voltage 208.0 V
InitSymRMS 3P 1289.59 A
AF_TripTime 0.959 s
IncidentEnergy 0.84 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 14 inches
PANEL D MAIN
Voltage 208.0 V
InitSymRMS 3P 7554.00 A
AF_TripTime 0.179 s
IncidentEnergy 1.18 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 18 inches
PANEL D MAIN BRK
Manufacturer SIEMENS
Frame/Model HQR2
Sensor/Trip 200.0 A
Plug 200.0 A
Settings
Fixed
PANEL 1
Voltage 208.0 V
InitSymRMS 3P 10812.38 A
AF_TripTime 0.597 s
IncidentEnergy 5.93 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 49 inches
PNL 1 BRK 1
Manufacturer CUTLER-HAMMER
Frame/Model BAB
Sensor/Tr ip 100.0 A
Plug 100.0 A
Settings
Fixed
CBL-0024
(1) Size 2 AWG
Copper THWN
15.0 ft
Ampacity 115.0 A
DISTILLING CP FEED #1
Voltage 208.0 V
InitSymRMS 3P 8911.09 A
AF_TripTime 0.008 s
IncidentEnergy 0.08 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 3 inches
PNL 1 BRK 7
Manufacturer CUTLER-HAMMER
Frame/Model BAB
Sensor/Trip 100.0 A
Plug 100.0 A
Settings
Fixed
CBL-0025
(1) Size 2 AWG
Copper THWN
65.0 ft
Ampacity 115.0 A
PANEL 1 MILL DISCONNECT
Voltage 208.0 V
InitSymRMS 3P 5289.20 A
AF_Tr ipTime 0.008 s
IncidentEnergy 0.04 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 2 inches
PD-0038
Manufacturer BUSSMANN
Frame/Model FRS-R
Sensor/Trip 100.0 A
CBL-0041
(1) Size 2 AWG
Copper THWN
6.0 ft
Ampacity 115.0 A
PANEL 1 HAMMER MILL
Voltage 208.0 V
InitSymRMS 3P 5029.94 A
AF_Tr ipTime 0.008 s
IncidentEnergy 0.04 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 2 inches
Arc Flash Model, SKM Filename: MAIN DRAWING
CBL-0009
(2) Size 250 kcmil
Copper THWN
10.0 ft
Ampacity 510.0 A
PD-0040
Manufacturer GOULD SHAWMUT
Frame/Model TR
Sensor/Trip 200.0 A
PANEL 3
Voltage 208.0 V
InitSymRMS 3P 10996.14 A
AF_Tr ipTime 0.010 s
IncidentEnergy 0.12 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 4 inches
PNL 3 BRK 10
Manufacturer SIEMENS
Frame/Model BL
Sensor/Tr ip 30.0 A
Plug 30.0 A
Settings
Thermal Curve (Fixed)
INST Fixed (525A)
Voltage 208.0 V
InitSymRMS 3P 15924.02 A
AF_TripTime 1.695 s
IncidentEnergy 25.69 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 122 inches
PNL 1 BRK 13
Manufacturer CUTLER-HAMMER
Frame/Model BAB
Sensor/Tr ip 100.0 A
Plug 100.0 A
Settings
Fixed
CBL-0026
(1) Size 2 AWG
Copper THWN
75.0 ft
Ampacity 115.0 A
DOCK CONTROL PANEL DISC
Voltage 208.0 V
InitSymRMS 3P 4869.99 A
AF_TripTime 0.008 s
IncidentEnergy 0.04 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 2 inches
PNL 1 BRK 19
Manufacturer CUTLER-HAMMER
Frame/Model BAB
Sensor/Trip 30.0 A
Plug 30.0 A
Settings
Fixed
CBL-0027
(1) Size 10 AWG
Copper THWN
100.0 ft
Ampacity 35.0 A
COOLING TOWER
Voltage 208.0 V
InitSymRMS 3P 960.04 A
AF_TripTime 1.958 s
IncidentEnergy < 1.2 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 18 inches
PNL 1 BRK 25
Manufacturer CUTLER-HAMMER
Frame/Model BAB
Sensor/Trip 20.0 A
Plug 20.0 A
Settings
Fixed
CBL-0028
(1) Size 12 AWG
Copper THWN
60.0 ft
Ampacity 25.0 A
PNL 1 HOIST
Voltage 208.0 V
InitSymRMS 3P 1009.52 A
AF_TripTime 1.230 s
IncidentEnergy 0.82 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 14 inches
PNL 1 BRK 31
Manufacturer CUTLER-HAMMER
Frame/Model BAB
Sensor/Trip 50.0 A
Plug 50.0 A
Settings
Fixed
CBL-0029
(1) Size 6 AWG
Copper THWN
90.0 ft
Ampacity 65.0 A
PNL 1 HEATER 1
Voltage 208.0 V
InitSymRMS 3P 2232.92 A
AF_TripTime 0.008 s
IncidentEnergy 0.02 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 1 inches
PD-0039
Manufacturer BUSSMANN
Frame/Model FRS-R
Sensor/Trip 100.0 A
PNL 1 BRK 37
Manufacturer CUTLER-HAMMER
Frame/Model BAB
Sensor/Trip 30.0 A
Plug 30.0 A
Settings
Fixed
CBL-0030
(1) Size 10 AWG
Copper THWN
65.0 ft
Ampacity 35.0 A
MASH COOLING
Voltage 208.0 V
InitSymRMS 3P 1432.21 A
AF_TripTime 1.269 s
IncidentEnergy < 1.2 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 18 inches
PNL 1 BRK 2
Manufacturer CUTLER-HAMMER
Frame/Model BAB
Sensor/Trip 100.0 A
Plug 100.0 A
Settings
Fixed
CBL-0033
(1) Size 2 AWG
Copper THWN
15.0 ft
Ampacity 115.0 A
DISTILLING CP FEED #2
Voltage 208.0 V
InitSymRMS 3P 8911.09 A
AF_TripTime 0.008 s
IncidentEnergy 0.08 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 3 inches
PNL 1 BRK 8
Manufacturer CUTLER-HAMMER
Frame/Model BAB
Sensor/Trip 40.0 A
Plug 40.0 A
Settings
Fixed
CBL-0034
(1) Size 8 AWG
Copper THWN
90.0 ft
Ampacity 50.0 A
HAMMER MILL CONTROL PANEL
Voltage 208.0 V
InitSymRMS 3P 1497.11 A
AF_TripTime 1.853 s
IncidentEnergy < 1.2 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 18 inches
PNL 1 BRK 14
Manufacturer CUTLER-HAMMER
Frame/Model BAB
Sensor/Trip 30.0 A
Plug 30.0 A
Settings
Fixed
CBL-0035
(1) Size 10 AWG
Copper THWN
90.0 ft
Ampacity 35.0 A
ROLLER MILL
Voltage 208.0 V
InitSymRMS 3P 1059.98 A
AF_TripTime 1.697 s
IncidentEnergy < 1.2 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 18 inches
PNL 1 BRK 20
Manufacturer CUTLER-HAMMER
Frame/Model BAB
Sensor/Trip 50.0 A
Plug 50.0 A
Settings
Fixed
CBL-0032
(1) Size 6 AWG
Copper THWN
90.0 ft
Ampacity 65.0 A
AIR COMPRESSOR 3 DISC
Voltage 208.0 V
InitSymRMS 3P 2232.92 A
AF_TripTime 0.008 s
IncidentEnergy 0.02 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 1 inches
PNL 1 BRK 26
Manufacturer CUTLER-HAMMER
Frame/Model BAB
Sensor/Trip 30.0 A
Plug 30.0 A
Settings
Fixed
CBL-0036
(1) Size 10 AWG
Copper THWN
45.0 ft
Ampacity 35.0 A
MARLEY PUMP
Voltage 208.0 V
InitSymRMS 3P 1988.81 A
AF_TripTime 0.008 s
IncidentEnergy 0.01 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 1 inches
PNL 1 BRK 32
Manufacturer CUTLER-HAMMER
Frame/Model BAB
Sensor/Trip 50.0 A
Plug 50.0 A
Settings
Fixed
CBL-0031
(1) Size 6 AWG
Copper THWN
90.0 ft
Ampacity 65.0 A
PNL 1 HEATER 2
Voltage 208.0 V
InitSymRMS 3P 2232.92 A
AF_TripTime 0.008 s
IncidentEnergy 0.02 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 1 inches
PANEL D
Voltage 208.0 V
InitSymRMS 3P 7478.71 A
AF_Tr ipTime 0.010 s
IncidentEnergy 0.08 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 3 inches
PANEL D BRK 1
Manufacturer SIEMENS
Frame/Model BLH
Sensor/Trip 60.0 A
Plug 60.0 A
Settings
Thermal Curve (Fixed)
INST Fixed (675A)
PANEL D BRK 2
Manufacturer SIEMENS
Frame/Model BLH
Sensor/Trip 60.0 A
Plug 60.0 A
Settings
Thermal Curve (Fixed)
INST Fixed (675A)
CBL-0038
(1) Size 10 AWG
Copper THWN
30.0 ft
Ampacity 35.0 A
CBL-0039
(1) Size 10 AWG
Copper THWN
120.0 ft
Ampacity 35.0 A
BOTTLING CP DISC
Voltage 208.0 V
InitSymRMS 3P 2427.47 A
AF_TripTime 0.017 s
IncidentEnergy 0.04 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 2 inches
CBL-0042
(1) Size 2 AWG
Copper THWN
6.0 ft
Ampacity 115.0 A
PANEL D EXHAUST FAN
Voltage 208.0 V
InitSymRMS 3P 773.13 A
AF_Tr ipTime 2.000 s
IncidentEnergy 1.14 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 17 inches
CBL-0040
(1) Size 10 AWG
Copper THWN
15.0 ft
Ampacity 35.0 A
DOCK CONTROL PANEL
Voltage 208.0 V
InitSymRMS 3P 4647.31 A
AF_TripTime 0.008 s
IncidentEnergy 0.04 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 2 inches
BOTTLING CONTROL PANEL
Voltage 208.0 V
InitSymRMS 3P 1792.86 A
AF_TripTime 1.737 s
IncidentEnergy < 1.2 Cal/cm^2
WorkingDistance 18 inches
AF_Boundary 18 inches
XYZ Company , Base Project:
Date: October 10, 2020 Page No.: 1
Taking the Flash Out of Electrical Safety
SERVICES OVERVIEW
PPE POSTER
elect rical
WORKPLA CE SA FETY
Personal
Protective
Equipment
g
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t
a
R
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r
A
E
P
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d
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u
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a
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a
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Make
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E
Taking the Flash Out of Electrical Safety
for equipment assessed using arc flash calculations
(502) 716-7073
e-Hazard.com
Arc-Rating (AR) Must Be ≥ Estimated Incident Energy (IE)
Recommended
Best Practice when
IE < 1.2 cal/cm2
IE = 1.2 – 12 cal/cm2
IE > 12 cal/cm2
Hard Hat
Shirt, long-sleeve
& Pants
Head
Hearing Protection
AR Face Shield with AR Balaclava
or
Gloves:
Leather, AR, or VR
Hands
Leather Footwear
Feet
ALL clothing made of
Non-melting/Natural Fiber
Safety Glasses/Goggles
Body
Eye Protection
Hearing Protection
Hard Hat
Face Shield
NFPA 70E / CSA Z462
Required
Required, Choices Available
As Needed
AR Arc Flash Hood
AR Shirt, long-sleeve & AR Pants
or
AR Coverall
or
AR Arc Flash Suit
Heavy-duty Leather Gloves
or
AR Gloves
or
Rubber Insulating Gloves
with Leather Protectors
Leather Footwear
AR Outerwear
Requirements per NFPA 70E (2018), Table 130.5(G) / CSA Z462-18, Table 3
v1808 | © 2018 e-Hazard Management, LLC.
Taking the Flash Out of Electrical Safety
SERVICES OVERVIEW
Utility Data
electrical
WORKPLA CE SA FETY
XYZ Company
Some place USA
We are seeking the following details for an engineering and arc flash study at the facility listed above.
There are two services and we have highlighted these on the picture below:
Image Removed Due to Confidentiality
Red shows the first service and its meter. Blue shows the second service with its meter in a cabinet
inside the building.
Request for information for Service #1 is on pages 2 & 3.
Request for information for Service #2 is on pages 4 & 5.
Thank you for your assistance. My contact details are as follows:
Zarheer Jooma Pr Eng SMIEEE (SM)
Electrical Engineer
e-Hazard | www.e-hazard.com
+1 (502) 609-1765 Mobile
zarheer@e-hazard.com
Page 1 of 5
Transformer #1 cabinet locked, and the meter covered appears to be damaged by the sun – the
meter number unavailable
1 Transformer MVA
2 Transformer Pri/Sec Voltages
3 Transformer %Z
4 Available 3phase Short Circuit current at the primary
terminals
5 3 ph X/R ratio at the primary terminals
6 Internal primary fuses (expulsion or bayonet) available?
If “YES”, what are the fuse(s) types and rating?
If “NO”, then
a) what are the first fuses on the primary side
and how far away are these fuses
b) What is the available 3phase short circuit
current and available X/R at the location of
the fuse? [if it is far enough to change the
values at the transformer)
7 Does LG&E have any fuses or protection on the
secondary side of the transformer or inside the
customers building? (See Pictures below)
Pictures of Service #1:
Page 2 of 5
Page 3 of 5
Transformer #2 pictures are attached.
1 Available 3phase Short Circuit current at the primary
terminals
2 3ph X/R ratio at the primary terminals
3 Type of fuse and rating for the internal fuse links
Type of fuse and rating for the Bayonet fuse
3 Does LG&E have fuses (or similar protection) in the
Siemens cabinet shown on the next page:
If “YES”, what are the fuse(s) types and rating?
Pictures of Service #2:
Page 4 of 5
Page 5 of 5
XYZ Company, Some place USA
Transformer #1 (west xfmr)
1
Transformer kVA
2
3
4
5
6
7
9-28-20
TLM# 64840 on LG&E circuit CW1224
225kVA
Transformer Pri/Sec Voltages
Transformer %Z
Available 3phase Short Circuit current at the primary
terminals
3 ph X/R ratio at the primary terminals
Internal primary fuses (expulsion or bayonet) available?
If “YES”, what are the fuse(s) types and rating?
If “NO”, then
a) what are the first fuses on the primary side
and how far away are these fuses
b) What is the available 3phase short circuit
current and available X/R at the location of
the fuse? [if it is far enough to change the
values at the transformer)
Does LG&E have any fuses or protection on the
secondary side of the transformer or inside the
customers building? (See Pictures below)
12.47kV-120/208V
1.62%
3861 Amps at 12.47kV
4.11
Yes
C10 25 amps
No
Transformer #2 (east xfmr)
TLM# 33669 on LG&E circuit CW1224
1
Available 3phase Short Circuit current at the primary
3808 Amps @ 12.487kV
terminals
2
3ph X/R ratio at the primary terminals
3.67
3
Type of fuse and rating for the internal fuse links
4
Type of fuse and rating for the Bayonet fuse
C10 25 amps
5
Does LG&E have fuses (or similar protection) in the
No
Siemens cabinet shown on the next page:
If “YES”, what are the fuse(s) types and rating?