Voltage Drop - Single phase Copper 75C

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  1. This calculator provides Voltage Drop for a Circuit with its one way Length provided in feet for single phase current, Copper conductor at 75 Degrees C, which has a resistance constant of K = 12.9. For temperatures other than 75 Degrees C, reference the National Electric Code Book and use the calculator which has K as a variable.

Input 3 of 4 variables to solve for the unknown.
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SymbolVariableInputUnits
VdVoltage Drop
VlConductor Length
ICurrent
CmCircular Mils
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