Electrical Calculations / Engineering

Grouch1980
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Transformer secondary protection
2
Replies
24
Views
3K
Grouch1980
Grouch1980
E
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Sizing transformer grounded service conductor
Replies
5
Views
1K
EGENG
E
G
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Feeder from main disco to garage
Replies
9
Views
537
electrofelon
electrofelon
D
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Tap rules off a service entrance
Replies
14
Views
1K
dummycheck
D
Sparky2791
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Help with Multi-Family Calcs 220.40
Replies
16
Views
801
Sparky2791
Sparky2791
PE (always learning)
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Ground Fault Protection Coordination
Replies
2
Views
604
PE (always learning)
PE (always learning)
A
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trench plug
Replies
1
Views
510
cadpoint
cadpoint
R
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Lift pump wiring
Replies
9
Views
991
ptonsparky
ptonsparky
Tainted
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Con Edison Service End Box Needed
Replies
12
Views
2K
Hv&Lv
H
T
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Illumination Exit Signs
Replies
2
Views
455
timm333
T
3
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240V 3ph Delta High Leg Service Upgrade to 208V Wye
Replies
7
Views
768
kwired
kwired
M
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Neher-McGrath calcs 3x2 duct bank non-identical circuits
Replies
4
Views
432
Julius Right
Julius Right
D
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Water Heater Circuit
Replies
15
Views
1K
winnie
W
B
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Can you use both 220.61(B)(1) AND 220.61(B)(2)?
Replies
2
Views
401
MasonF
M
ptonsparky
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Delta & Wye imbalanced loads
Replies
5
Views
354
kwired
kwired
2
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Sizing trough for service mast
Replies
8
Views
890
2Broke2Sleep
2
junkhound
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Long 240 V run
Replies
6
Views
706
winnie
W
A
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Derating
Replies
5
Views
864
electrofelon
electrofelon
H
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Parallel transformers with common primary voltage but different secondary voltage and different loads
Replies
14
Views
1K
Canton
C
Tainted
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Circuit breaker racks
2
Replies
20
Views
2K
norcal
N
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