Electrical Calculations / Engineering

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Sizing Main service after sub panels - any derating possible?
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11
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3K
Ingenieur
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480V well pump cable
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10
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2K
Dzboyce
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Quick calculations check
2
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35
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5K
Julius Right
Julius Right
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Circuit for Replacement HVAC System
2 3 4
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77
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9K
iwire
iwire
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15KV Indoor PT primary size
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2
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1K
iwire
iwire
wrobotronic
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Voltage Drop
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4
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1K
Julius Right
Julius Right
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380v European Equipment
2 3 4
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64
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9K
Tony S
Tony S
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SPD & lightning Protection
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1
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1K
mgookin
mgookin
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Backfeed a 480Y to 240delta transformer... Awkward scenario.
2
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27
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4K
SPJPROD
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Braking resistor & VFD question
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1
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1K
Jraef
Jraef
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coil impedance of a balanced 3 phase load
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18
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3K
dnem
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Voltage Drops; ETAP vs formula, please help?
2
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24
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13K
rian0201
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Efficiency Unit in hotel suites
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5
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kwired
kwired
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N.J - Any Requirements beyond the NEC??
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2
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Ragin Cajun
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High Voltage Underground Cable Installation
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8
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3K
timm333
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Difficulty of long pull through HDPE
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3
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1K
Fulthrotl
Fulthrotl
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#10 wire on 100A breaker
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1
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2K
jumper
jumper
O
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Time current coordination between 3 pole breaker vs 1-pole breaker
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4
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3K
Jraef
Jraef
mgookin
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Tankless water heaters
2
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36
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7K
mgookin
mgookin
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Transformer primary voltage range ?
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15
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3K
panthripu
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