NEC

M
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Help with sizing parallel service conductors
2 3
Replies
55
Views
8K
mike1061
M
H
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Multi stories apartment complex building
Replies
4
Views
918
tom baker
tom baker
P
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Does NEC 251.3 continuous current derating apply to the frame rating or the trip setting?
Replies
2
Views
573
wwhitney
W
L
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6-20R breaker size
2
Replies
20
Views
5K
kwired
kwired
N
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NEMA rating for damp locations
Replies
4
Views
3K
petersonra
petersonra
Cartoon1
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Two transformers facing each other clearance
Replies
4
Views
935
kwired
kwired
I
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Instr circuits for transformer protective devices
Replies
6
Views
927
petersonra
petersonra
P
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Multiple power sources for Hospital
Replies
7
Views
2K
garbo
G
H
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Transformer stack top each other
2
Replies
27
Views
10K
garbo
G
H
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New section
Replies
6
Views
1K
don_resqcapt19
don_resqcapt19
I
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Underground conduit stub up
Replies
3
Views
3K
LarryFine
LarryFine
A
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Electrical conduits go through fire riser room
Replies
4
Views
2K
tom baker
tom baker
A
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Auto-throw over MTM switchboard
Replies
1
Views
647
don_resqcapt19
don_resqcapt19
WA_Sparky
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702.4 (B) (2) Optional Standby System
Replies
1
Views
2K
electrofelon
electrofelon
R
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Home with an apartment, are 2 meters required?
Replies
15
Views
9K
kwired
kwired
H
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Egress to and from
Replies
1
Views
688
tom baker
tom baker
H
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Scaffolding (renting, construction, landlords)
Replies
2
Views
595
Little Bill
Little Bill
C
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Appliance Tripping on GFI's
Replies
10
Views
2K
LarryFine
LarryFine
M
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AFCI room requirement?
Replies
6
Views
1K
kwired
kwired
O
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Overhead wire for feeder.
2
Replies
27
Views
8K
kwired
kwired
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