Electrical Calculations / Engineering

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Generator out of phase-shutting down
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16
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2K
ptonsparky
ptonsparky
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Elevator Motor - 1/3 phase integral phase converter
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5
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825
kwired
kwired
Grouch
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2 3
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42
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TX+ MASTER#4544
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DIEGO FRANCO
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400 amps underground service 280' from transformer to meter
2
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32
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2K
hillbilly1
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junkhound
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contact material
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3
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975
rambojoe
rambojoe
Tainted
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MC Cable rated for underground non-PVC coated
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16
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electrofelon
electrofelon
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Remote Elevator Machine Room Disconnect
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0
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449
designer82
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Y
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Emergency Lighting and Emergency HVAC
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2
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713
charlie b
charlie b
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Xformer delta-delta with high leg situation, (irregular voltage)
3 4 5
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95
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eric stromberg
eric stromberg
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Fluke 1587 FC Megger test on 2-4AWG cable
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1
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927
don_resqcapt19
don_resqcapt19
M
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2 generators 2 ATS
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3
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800
Birken Vogt
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D
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Cable sizing with MCCB tolerance band and "I2≤1.45xIz" rule
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1
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5K
Julius Right
Julius Right
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Main Tie Main Switchgear Replacement
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6
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1K
jim dungar
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New Service to Feed the EV charges
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16
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2K
jaggedben
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G
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Whole house standby generators and 310.12
2
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25
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2K
Fred B
Fred B
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New load shed electrical metering smart meter
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4
Views
987
ptonsparky
ptonsparky
11bgrunt
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POCO has nuisance transformer fuse melts
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2
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706
ptonsparky
ptonsparky
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Ground fault 4000 amp GE power Break 1, Manual type
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10
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2K
Fordean
F
M
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Using Q in the voltage drop calc
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2
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996
Mark Stone
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A
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480V Light fixtures
2 3
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41
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4K
wwhitney
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