Electrical Calculations / Engineering

M
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125V & 48V DC in same multi-conductor cable
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5
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1K
Strathead
S
Tainted
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Temporary power for tenants
2 3
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41
Views
7K
gadfly56
gadfly56
J
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Overcurrent protection required for Transfer Equipment
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11
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4K
kwired
kwired
H
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Line diagram updates for NEC compliance.
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1
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2K
augie47
augie47
A
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Xfrmr Secondary Conductors
2
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20
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2K
david luchini
david luchini
B
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Three Phase Short Circuit Calculation
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11
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2K
topgone
T
F
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Conductor Temps in Duct Bank
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10
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4K
Julius Right
Julius Right
S
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Smoke/Heat detectors in elevator pits and at top of elevator shaft
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18
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11K
Schroeder
S
Y
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300 KVA, 480v - 1000v, step up transformer, ungrounded system question.
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1
Views
622
electrofelon
electrofelon
A
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NFPA 111
Replies
6
Views
3K
anbm
A
A
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Xfrmr Wire Sizes
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14
Views
2K
don_resqcapt19
don_resqcapt19
L
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GE microEntelliGuard settings
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0
Views
681
lielec11
L
F
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Maximizing power
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6
Views
723
augie47
augie47
H
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Vfd cable breaker sizing
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8
Views
2K
Jraef
Jraef
W
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SKM Power Tools Example Model of a High-Rise Apartment/Condo Complex
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6
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2K
W6SJK
W
D
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Using 75 and 90 degree rules
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7
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1K
david luchini
david luchini
augie47
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Derating with motor loads
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4
Views
2K
drktmplr12
D
A
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What size panel?
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11
Views
1K
electrofelon
electrofelon
A
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Coffee Shop/café load calculation
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2
Views
1K
Fred B
Fred B
JoeStillman
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Does 250.122(F)(1)(b) make any sense?
2
Replies
25
Views
4K
ActionDave
ActionDave
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