Electrical Calculations / Engineering

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Help with 40 HP ELEVATOR SIZING
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1
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728
tom baker
tom baker
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45 kva to 75 kva transformer - keep the same primary feeders
2
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21
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5K
winnie
W
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Surge Arrestor KV Rating
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7
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3K
paulengr
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1-Phase panel fed from 3-Ph 120/208V main panel
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9
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2K
Carultch
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Bridge Crane Circuit Breaker Sizing
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2
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2K
marchandd
M
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Feeder Sizing
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18
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2K
infinity
infinity
X
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210.19 (A) 1 Exception #2
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5
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2K
don_resqcapt19
don_resqcapt19
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Insulation breakdown of a Conduit?
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7
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2K
Jraef
Jraef
B
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Emergency Eye Wash Tankless Water Heater
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18
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3K
petersonra
petersonra
Coppersmith
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Kitchen island receptacles placement
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7
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3K
Coppersmith
Coppersmith
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Can you please tell me if my voltage drop calculation is correct?
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1
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641
Little Bill
Little Bill
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3PH Service for Building - House Panel Rating?
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10
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1K
kwired
kwired
PE (always learning)
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TURNING OFF THE MAIN CB INSTANTANEOUS TRIP ON SWITCHBOARDS
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19
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5K
petersonra
petersonra
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Neutral Calculations
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9
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669
mavrck
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600 amp overhead residential service what size conductors are you using
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3
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942
augie47
augie47
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Achieve elevator recall with no FACP?
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1
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1K
gadfly56
gadfly56
infinity
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VAV Thermal Overload Protection
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3
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1K
victor.cherkashi
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S
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Reinforced Concrete Ductbank Under Building Footing
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5
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3K
zbang
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KAIC
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7
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3K
electrofelon
electrofelon
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Communications Equipment for Photovoltaic equipment tap at equipment location
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9
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1K
jaggedben
J
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