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B
Electrical security screw from 1970's panelboard
Replies
6
Views
373
tthh
T
8
OSHPD Emergency power expansion joint
Replies
2
Views
119
82angelfan
8
B
Overvoltage (Surge Protectors) and Article
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0
Views
98
bcl
B
D
Why are 4 crimps needed if it’s only for equipotential bonding ?
Replies
8
Views
412
busman
busman
D
Circuit protection for a custom motor
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5
Views
339
zbang
Z
B
Options for water pipe below exterior subpanel, retrofit
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13
Views
394
hbiss
hbiss
J
Same circuit neutral loops.
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10
Views
346
jklr
J
O
Cold temperature CO detector
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5
Views
317
hbiss
hbiss
L
Thread/List of (useful) Tools for Engineers
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2
Views
211
jim dungar
J
B
  • Locked
Question for Crossing Over Underground Feeders in Trench
Replies
1
Views
154
ActionDave
ActionDave
J
  • Locked
480-to-120V Transformer Odd Voltage
Replies
1
Views
141
charlie b
charlie b
B
UF (underground feeder cable) 12/4 ?
2
Replies
22
Views
636
Eddie702
E
P
Temp construction power 240V
Replies
9
Views
324
pipe_bender
P
C
Can someone help me with finding a definition to "...effectively guarded by insulating materials." 110.34(A) Condition 1
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16
Views
324
Elect117
E
D
Fit for purpose?
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0
Views
183
Dale001289
D
augie47
Eaton Air Conditioner Disconnects
2 3
Replies
53
Views
3K
brycenesbitt
B
A
What are these cables
Replies
2
Views
274
zbang
Z
Ravenvalor
Control Panel FLC Require 125%
Replies
2
Views
144
Ravenvalor
Ravenvalor
S
Transformer secondary ground wire size
Replies
5
Views
241
charlie b
charlie b
O
  • Locked
Detached Metal Building Disconnect Question
Replies
1
Views
128
roger
roger
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