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Skip Navigation LinksHome > Calcs > Electrical > Feeder/Voltage Drop

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Calculations Feeder Calculation
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Rating:4.8 out of 5  (20 votes)

Load   Number of Ground Wires
SystemGround Material
Phase/Neutral ConductorGround TypeNEC Code
Wire InsulationMaximum Wire Size
Number of Phase WiresConduit Type
Number of Neutral WiresMaximum Conduit Size
Neutral Carrying ConductorNEC CodePower Factor

Load Summary: 283 kVA  |  400 Calcualted Amps  |  400 OverCurrent Amps


FeederLoad Amps Maximum Length
2% VD (5.5 V) 3% VD (8.3 V) 5% VD (13.8 V)
2 [(3#3/0Cu, 1#3/0Cu, 1#3Cu) 2" EMT] 100% Load (400 A) 146 feet219 feet366 feet
80% Load (320 A) 183 feet274 feet458 feet
Feeder: 2 [(3#3/0Cu, 1#3/0Cu, 1#3Cu) 2" EMT] Length
ft 		Anticipated Load
A 		Max Volt Drop
% 		Actual
13.84 V (4.99%)

Notes:

1For horsepower calculation, motor powerfactor and efficiency are set at 0.90.
2For cooling ton calculation, no losses are figured in calculation.
3Voltage Drop is Line to Neutral Calculations and not Line to Line.

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