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Advanced Voltage Drop Calculator

Also Use Ampacity Tables To Select Correct Size Conductor.
This Calculator Only Determines Voltage Drop For A Given Conductor.
Select Material:

Select Voltage and Phase:
Select Ambient Temperature C
(use 30 C if unsure)

Degrees F
Enter 1-Way Circuit Length in Feet:

Enter Load in Amperes:
Select Size:
Voltage Drop:
Voltage at Load
End of Circuit:

Per Cent
Voltage Drop:


Data:
(Conductor Temperature Should Not Exceed Temperature For Which insulation is Rated)
cma of
Conductor

RCA
Thermal

tah
Temp

Pc
Resistance

Conductor
Temp

K for
Temp


 
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