General Electrical Forum

For electrical topics that do not match any of the other headings.
E
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Can someone please explain the differences of SD set, DD set, CD Set (20%, 60%, 100%, etc.), And why there are so many sets that need to be released?
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4
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5K
Elecestim123
E
J
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NEMA 4 Enclosure Patch
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2
Views
725
jdf8tc
J
charlie b
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Receptacle on Light Pole
2
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22
Views
8K
zbang
Z
charlie b
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Shunt Trip on Fire Alarm Signal
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3
Views
3K
gadfly56
gadfly56
M
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Neutral conductor requirement at a Main Disconnect
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6
Views
1K
infinity
infinity
Fred B
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117V to earth
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18
Views
2K
Fred B
Fred B
H
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Booster pump
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13
Views
2K
NTesla76
N
J
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277 V Question
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10
Views
2K
Jraef
Jraef
M
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2P GFCI stray voltage
Replies
1
Views
555
roger
roger
R
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GFIC receptacle
Replies
1
Views
542
augie47
augie47
J
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Breaking Down Large Spools??
2
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21
Views
4K
Hv&Lv
H
P
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Mystery Connector
Replies
11
Views
1K
readydave8
readydave8
J
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480VAC Motor Drive Fed with just L1 & L2 (No L3)
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11
Views
1K
Jraef
Jraef
T
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Best location for vertical riser?
Replies
5
Views
651
Timona
T
M
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Long distance subpanel
Replies
1
Views
494
Dennis Alwon
Dennis Alwon
K
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Center grounded Delta to 3 phase exhaust fan
2
Replies
28
Views
2K
don_resqcapt19
don_resqcapt19
chris kennedy
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5000A fuse failure
Replies
15
Views
2K
wwhitney
W
S
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hot tub disconnect in sight of people in the tub ?
Replies
9
Views
3K
Stevenfyeager
S
Doc13067
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200A Panel with less than 4/0 aluminum
2 3
Replies
41
Views
7K
Doc13067
Doc13067
I
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3ph knife switch unfused on 120VAC circuit w/jumper installed from one phase to another
Replies
6
Views
732
electrofelon
electrofelon
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