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B
Calculating Secondary Inrush Current for Isolation Transformer
bellington
Sunday at 12:05 PM
Electrical Calculations / Engineering
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Views
568
Sunday at 8:06 PM
winnie
W
B
PVC Mast?
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Sunday at 2:47 PM
NEC
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Views
370
Sunday at 3:07 PM
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F
AHJ buying off conductors in conduit, at 42% fill?
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Sep 8, 2025
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3
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G
Pulling Calculation - tray cable through underground conduit?
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Sep 13, 2025
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8
Views
749
Sep 13, 2025
TwoBlocked
B
Is this a genuine quirk of the NEC or am I missing something?
bdcubbage
Sep 13, 2025
NEC
Replies
11
Views
793
Sep 13, 2025
ramsy
R
K
Does a Larger Farad capacitor handle more current?
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Sep 11, 2025
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B
2020 NEC : GEC and bonding screw with “emergency disconnect, service equipment”
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6
7
8
Replies
159
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7K
Sep 13, 2025
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B
A
Strut Attachment
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546
Sep 13, 2025
don_resqcapt19
B
UL Document on Interchange of Certain Challenger, Bryant, Westinghouse and Cutler-Hammer Breakers
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Sep 12, 2025
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6
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726
Sep 13, 2025
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J
E
TCC Square D 3 Pole ML (225A)
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Apr 15, 2025
Troubleshooting
Replies
9
Views
2K
Sep 13, 2025
jim dungar
J
H
Question transformer undersized but dont see anything in NEC 2017
hhsting
Sep 11, 2025
NEC
Replies
9
Views
812
Sep 13, 2025
jim dungar
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R
Master electrician exam book
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don_resqcapt19
S
24vdc, Contactors, PLC and voltage spike
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Sep 10, 2025
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W
Converting three phase power to single phase
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I
Derate Siemens Panel
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I
B
tap on secondary conductor of transformer
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Standards Council Meeting August 18th -- Appeal on GFCI reach
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Sep 12, 2025
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A
Long row of exterior lights set in CMUs
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574
Sep 12, 2025
rambojoe
L
Voltage Reference - Metering
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leboot
L
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