Electrical Calculations / Engineering

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50 Hz motors on 60 Hz system
2
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28
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3K
Knightryder12
Knightryder12
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panel board installation, fed by two main breakers
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7
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892
jaggedben
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Body Calc
2
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34
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3K
Strathead
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Challenger CH1020 277V & CH3020 480V etc Breaker TCCs
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3
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679
Jraef
Jraef
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Voltage drop
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1
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696
LarryFine
LarryFine
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400amp service
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3
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784
electrofelon
electrofelon
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Can you use MMP's (type F) on 3-phase industrial heaters?
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13
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976
Jraef
Jraef
F
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Adding a 200 amp breaker
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5
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713
LarryFine
LarryFine
L
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Service Load Calculation for a Residence with multiple panels
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6
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1K
Ponce
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B
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Bundled conductors on the same circuit: Three separate wires reused as a subpanel feed
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10
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1K
brycenesbitt
B
S
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Possible damage to CTs
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11
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1K
Hv&Lv
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Tainted
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Elevator on a generator (NYC)
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0
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562
Tainted
Tainted
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4000 amp service with 2 2000amp switch gears
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3
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771
hillbilly1
H
4x4dually
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High Impedance Protected Test Points for 115 VAC
2
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24
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2K
winnie
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E
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SES Sizing and Step Down XFMR
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8
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845
infinity
infinity
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light pole location
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5
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729
anbm
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M
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Effect of future Solar energy on existing transformers
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17
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2K
ggunn
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C
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I need the cheapest option to go from 208V to 240V
2
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28
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2K
Besoeker3
Besoeker3
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Undersized thermal protection for motors
2 3
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53
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5K
darekelec
D
ROBOJOE77
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HELP EXPLAINING PLEASE
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5
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676
tortuga
tortuga
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