Electrical Calculations / Engineering

Tainted
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Service switch with a 10k interrupting fuse, is that cause for concern?
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15
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2K
Jraef
Jraef
mshields
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Transformer Primary Conductors (for above 1000V)
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3
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842
wwhitney
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F
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Voltage drop and pipe fill derating for more than 3 conductors
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15
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2K
ggunn
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I
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Voltage drop to small, 120 VAC control panel
2
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27
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3K
Isaiah
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H
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Fans
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8
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1K
Rock86
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G
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Work around for lack of 30 amp GFCI breakers
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5
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2K
g-and-h_electric
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V
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New Jersey code. Smoke detector in occupancy A and B.
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2
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839
victor.cherkashi
V
3
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Large Metal Tank Grounding- CO2, N2
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8
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2K
Open Neutral
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H
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NEC 701 Legally Required and NEC 702 Optional
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7
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3K
Grouch
Grouch
Grouch
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10 foot tap rule
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12
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3K
Grouch
Grouch
Grouch
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Service panel in garage
2
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25
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3K
hbiss
hbiss
N
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breaker/plug calculations
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2
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577
Knightryder12
Knightryder12
A
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Duct Bank - Min concrete thickness
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2
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834
Julius Right
Julius Right
K
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NEC Annex D
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3
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2K
letgomywago
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P
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Grounding data center help
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15
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2K
ActionDave
ActionDave
J
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Power 240VAC single or three phase transformer from 480VAC 3 phase
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1
Views
475
augie47
augie47
A
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motor starter without overload relay / protection?
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13
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3K
Jraef
Jraef
M
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Transformer %Z Mfg Tolerance
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18
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3K
jim dungar
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T
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Separately Derived Entrance Vs. Service Entrance
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3
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1K
tom baker
tom baker
A
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Watts to Amps
2
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20
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3K
ptonsparky
ptonsparky
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