Select Material
Copper
Aluminum
Select Voltage and Phase
120 Volts 1-phase
240 Volts 1-phase
208 Volts 3-phase 3-wire
120/208 Volts 3-phase 4-wire
277 Volts 1-phase
480 Volts 3-phase
277/480 3-phase 4-wire
24 DC or 1-phase AC
48 DC or 1-phase AC
12 DC or 1-phase AC
Select Cable Size
18 AWG
16 AWG
14 AWG
12 AWG
10 AWG
8 AWG
6 AWG
4 AWG
3 AWG
2 AWG
1 AWG
1/0 AWG
2/0 AWG
3/0 AWG
4/0 AWG
250 kcmil
300 kcmil
350 kcmil
400 kcmil
500 kcmil
600 kcmil
700 kcmil
750 kcmil
800 kcmil
900 kcmil
1000 kcmil
1250 kcmil
1500 kcmil
1750 kcmil
2000 kcmil
Enter Load in amperes
Enter 1-way circuit length in feet
Results:
Voltage drop
Voltage at load end of circuit
Percent voltage drop
CMA of conductor