Electrical Calculations / Engineering

C
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Ground Grid Depth
Replies
8
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1K
GoldDigger
G
Sparky2791
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Including load for Electric Duct Heaters being used for Reheat.
2
Replies
22
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4K
Sparky2791
Sparky2791
J
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Branch/Feeder Circuit calculations
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1
Views
815
tom baker
tom baker
A
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120 or 277v Fixture Calc
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11
Views
2K
Flicker Index
Flicker Index
M
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Motor Starter sizing
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7
Views
5K
petersonra
petersonra
tortuga
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Spot welder 'specific operation' criteria under 630.31(A)(2)?
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7
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2K
Bluegrass Boy
Bluegrass Boy
F
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800Amps Circuit Breaker with (2) 500Kcmil Lugs
2
Replies
26
Views
4K
oldsparky52
O
mshields
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90 deg rating for low voltage feeder
Replies
3
Views
536
tom baker
tom baker
B
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Standard or Optional load calculation
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4
Views
1K
Bvernon40
B
P
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Grounding Electrode System in existing Building (NEC 250.50)
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4
Views
2K
tom baker
tom baker
P
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Sizing mast for overhead feeder
Replies
19
Views
6K
topgone
T
Z
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Current limiting fuses to protect equipment
2
Replies
30
Views
10K
petersonra
petersonra
ptonsparky
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VD & xfmrs
Replies
1
Views
509
electrofelon
electrofelon
F
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Shielded vs Unshielded Medium Voltage Cable
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2
Views
4K
synchro
synchro
P
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M-T-M Transfer Scheme with Line Side PT's only
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3
Views
1K
ron
ron
D
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Lighting Fixture Layout
Replies
3
Views
788
retirede
R
C
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Selective Coordination Realistic?
2
Replies
24
Views
5K
steve66
steve66
L
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Selective coordination charts (from ABB)
Replies
4
Views
989
lielec11
L
G
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Primary & Secondary
Replies
4
Views
655
Gene Vodovoz
G
M
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How VFD limits the starting current of the motor?
Replies
4
Views
4K
kwired
kwired
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