Return to electrician calculators

Conductor Maximum Length
Voltage Drop Calculator
Voltage Drop Calculator by electrician2.com
k=12.9 for copper or k=21.2 for aluminum
Select Material
Select Size
SelectPhase and No. of wires
Enter Voltage (max)

Enter Maximum
voltage drop in per cent

Enter Load
in amperes
Maximum Length
Voltage at load
end of circuit
  cma of
conductor