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Wire size for 60 amps at 150 feet

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60 A at 150 ft one-way

VoltageConductorMinimum sizeVoltage drop
120 VCopper2 AWG3.49 V (2.91%)
120 VAluminum2/0 AWG2.86 V (2.38%)
240 VCopper4 AWG5.54 V (2.31%)
240 VAluminum2 AWG5.74 V (2.39%)

Smallest size meeting NEC 75 °C ampacity (with 240.4(D) limits) and ≤3% drop at the full 60 A. Use 125% sizing for continuous loads; apply derating for more than 3 current-carrying conductors or high ambient temperature.

Adjust the numbers

FAQ

What size wire for 60 amps at 150 feet?

At 240 V: 4 AWG copper keeps voltage drop under 3%. See the table for 120 V and aluminum.

Same current, other distances

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