Wire Size for 1.01 Amps

Typical copper wire gauges for 1.01 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 1.01A 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.

1.01A Wire Gauge by Distance

DistanceCopper GaugeV-Drop (Cu)NEC Status
25 ft 14 AWG 0.1586V (0.1321%) check_circle OK
50 ft 14 AWG 0.3171V (0.2643%) check_circle OK
75 ft 14 AWG 0.4757V (0.3964%) check_circle OK
100 ft 14 AWG 0.6343V (0.5286%) check_circle OK
125 ft 14 AWG 0.7929V (0.6607%) check_circle OK
150 ft 14 AWG 0.9514V (0.7928%) check_circle OK
175 ft 14 AWG 1.11V (0.925%) check_circle OK
200 ft 14 AWG 1.27V (1.06%) check_circle OK
250 ft 14 AWG 1.59V (1.32%) check_circle OK
300 ft 14 AWG 1.9V (1.59%) check_circle OK
400 ft 14 AWG 2.54V (2.11%) check_circle OK
500 ft 14 AWG 3.17V (2.64%) 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.