NEC

S
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Emergency lights on UPS?
Replies
5
Views
2K
sfav8r
S
A
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Suitable for Use as Service Equipment
Replies
11
Views
10K
Smart $
Smart $
resistance
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Disco
Replies
2
Views
2K
resistance
resistance
jumper
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T 430.238
Replies
14
Views
5K
jumper
jumper
D
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Two separate 120VAC services, one neutral from one 3-phase, 480 to 208 Transformer
Replies
7
Views
5K
bluesmoke...oops
bluesmoke...oops
jango
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Finding earth ground impedence (ohms) at a residential electrical service panel???
2 3 4
Replies
71
Views
23K
K8MHZ
K8MHZ
mjf
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Al/Cu listing
Replies
6
Views
4K
al hildenbrand
al hildenbrand
C
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Transformer protection
Replies
10
Views
5K
iwire
iwire
S
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Shunt Trip
Replies
12
Views
8K
iwire
iwire
P
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Arc Fault Circuit Interrupter
Replies
3
Views
2K
Pepito Santos
P
S
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Westinghouse breakers in federal Pacific panel
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6
Views
5K
templdl
T
I
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Stairwell Egress Lighting
Replies
14
Views
20K
anbm
A
erickench
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NEC 430.110(C)(1)
Replies
6
Views
8K
erickench
erickench
S
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Shunt Trip Breakers?
Replies
18
Views
29K
squaredan
S
O'donisR
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find transformer size when power factor is known
Replies
9
Views
14K
Hv&Lv
H
iwire
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Clark A.O. Smith Overload units.
Replies
4
Views
3K
iwire
iwire
F
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GEC size reduction allowed by NEC?
2
Replies
22
Views
8K
kwired
kwired
K
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one inspector said yes, other says no on BONDING GAS TO WATER--Please help
2 3
Replies
43
Views
15K
kwired
kwired
goldstar
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Generator to xfer switch wiring
Replies
6
Views
4K
ron
ron
gary
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Is it OK to install an exterior panel this way?
Replies
8
Views
4K
ActionDave
ActionDave
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