Electrical Calculations / Engineering

steve66
Outdoor Transformer
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13
Views
642
steve66
steve66
D
Lightning Protection for Glass Roof
2
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28
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2K
Deebee101
D
A
600KCM MC cable - overhead supports
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5
Views
409
letgomywago
L
P
HMI Cabinet Grounding Requirement
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3
Views
288
jim dungar
J
H
4/0 Service spliced down to 1/0 in panel before breaker
2
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25
Views
1K
infinity
infinity
P
250.21(a)(4)
Replies
3
Views
280
don_resqcapt19
don_resqcapt19
J
Safety switches/local isolator Switches NEAR ELECTRIC MOTORS
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12
Views
884
herding_cats
herding_cats
F
Shade for Pad-mount transformers
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3
Views
399
Ragin Cajun
R
T
Cable Bending Radius in Cable Tray
Replies
4
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656
don_resqcapt19
don_resqcapt19
K
UPS Installation – 400V, 10kVA Load via 15kVA Transformer: Design Review Request
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1
Views
249
winnie
W
D
Transformer over 1000V Primary
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12
Views
1K
wwhitney
W
Jpflex
Primary transformer resistance
2 3
Replies
56
Views
4K
jim dungar
J
B
Dock Electric
Replies
6
Views
493
tortuga
tortuga
D
1200 Amp Service Change Out
2
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tjdilly
T
C
Fixing Capacitive Coupling (Phantom Voltage) issues with pull down resistor
2 3
Replies
57
Views
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Shuntme
S
A
Additional PV system to connect. NEC 705.12(a)
Replies
4
Views
434
ggunn
G
F
Hot tub
2
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20
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1K
infinity
infinity
B
MCC Breaker Tripping - Troubleshooting Help
2
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21
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garbo
G
V
Feeder Calculations question regarding derating
Replies
2
Views
304
Vines41
V
A
Breaker Size
Replies
15
Views
952
Jraef
Jraef
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