NEC

H
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Shunt trip
Replies
5
Views
651
tom baker
tom baker
S
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Derating THHN for conduit fill
Replies
7
Views
9K
kwired
kwired
H
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Heater
Replies
12
Views
1K
wwhitney
W
J
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NEC Code Adoption
Replies
7
Views
1K
don_resqcapt19
don_resqcapt19
H
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Instantenous water heater
Replies
5
Views
589
augie47
augie47
M
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Help with sizing parallel service conductors
2 3
Replies
55
Views
5K
mike1061
M
H
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Multi stories apartment complex building
Replies
4
Views
759
tom baker
tom baker
P
  • Locked
Does NEC 251.3 continuous current derating apply to the frame rating or the trip setting?
Replies
2
Views
427
wwhitney
W
L
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6-20R breaker size
2
Replies
20
Views
3K
kwired
kwired
N
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NEMA rating for damp locations
Replies
4
Views
2K
petersonra
petersonra
Cartoon1
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Two transformers facing each other clearance
Replies
4
Views
585
kwired
kwired
I
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Instr circuits for transformer protective devices
Replies
6
Views
668
petersonra
petersonra
P
  • Locked
Multiple power sources for Hospital
Replies
7
Views
1K
garbo
G
H
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Transformer stack top each other
2
Replies
27
Views
6K
garbo
G
H
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New section
Replies
6
Views
845
don_resqcapt19
don_resqcapt19
I
  • Locked
Underground conduit stub up
Replies
3
Views
2K
LarryFine
LarryFine
A
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Electrical conduits go through fire riser room
Replies
4
Views
909
tom baker
tom baker
A
  • Locked
Auto-throw over MTM switchboard
Replies
1
Views
518
don_resqcapt19
don_resqcapt19
WA_Sparky
  • Locked
702.4 (B) (2) Optional Standby System
Replies
1
Views
2K
electrofelon
electrofelon
R
  • Locked
Home with an apartment, are 2 meters required?
Replies
15
Views
5K
kwired
kwired
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