Wire Size for 5.72 Amps

Typical copper wire gauges for 5.72 amps across common run lengths on a 120V circuit, sized to keep voltage drop under 3% and respect the NEC 240.4(D) small-conductor rule. At 5.72A the load sits in residential-branch territory where aluminum is not a typical conductor, so the table lists copper only. Actual install sizing depends on conductor material, insulation/termination temperature rating, cable type, ambient and bundling derates, and local code.

5.72A Wire Gauge by Distance

DistanceCopper GaugeV-Drop (Cu)NEC Status
25 ft 14 AWG 0.898V (0.7484%) check_circle OK
50 ft 14 AWG 1.8V (1.5%) check_circle OK
75 ft 14 AWG 2.69V (2.25%) check_circle OK
100 ft 14 AWG 3.59V (2.99%) check_circle OK
125 ft 12 AWG 2.83V (2.36%) check_circle OK
150 ft 12 AWG 3.4V (2.83%) check_circle OK
175 ft 10 AWG 2.48V (2.07%) check_circle OK
200 ft 10 AWG 2.84V (2.36%) check_circle OK
250 ft 10 AWG 3.55V (2.96%) check_circle OK
300 ft 8 AWG 2.67V (2.23%) check_circle OK
400 ft 8 AWG 3.56V (2.97%) check_circle OK
500 ft 6 AWG 2.81V (2.34%) check_circle OK

Copper gauges use the NEC 240.4(D) branch-circuit cap, not raw 75°C ampacity.

Other Amperages

This calculator provides estimates for reference purposes only. Always consult a licensed electrician and verify compliance with the National Electrical Code (NEC) and local electrical codes before performing any electrical work.