Wire Size for 1.46 Amps

Typical copper wire gauges for 1.46 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 1.46A 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.

1.46A Wire Gauge by Distance

DistanceCopper GaugeV-Drop (Cu)NEC Status
25 ft 14 AWG 0.2292V (0.191%) check_circle OK
50 ft 14 AWG 0.4584V (0.382%) check_circle OK
75 ft 14 AWG 0.6877V (0.5731%) check_circle OK
100 ft 14 AWG 0.9169V (0.7641%) check_circle OK
125 ft 14 AWG 1.15V (0.9551%) check_circle OK
150 ft 14 AWG 1.38V (1.15%) check_circle OK
175 ft 14 AWG 1.6V (1.34%) check_circle OK
200 ft 14 AWG 1.83V (1.53%) check_circle OK
250 ft 14 AWG 2.29V (1.91%) check_circle OK
300 ft 14 AWG 2.75V (2.29%) check_circle OK
400 ft 12 AWG 2.31V (1.93%) check_circle OK
500 ft 12 AWG 2.89V (2.41%) 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.