Wire Size for 1.06 Amps

Typical copper wire gauges for 1.06 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 1.06A 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.

1.06A Wire Gauge by Distance

DistanceCopper GaugeV-Drop (Cu)NEC Status
25 ft 14 AWG 0.1664V (0.1387%) check_circle OK
50 ft 14 AWG 0.3328V (0.2774%) check_circle OK
75 ft 14 AWG 0.4993V (0.4161%) check_circle OK
100 ft 14 AWG 0.6657V (0.5547%) check_circle OK
125 ft 14 AWG 0.8321V (0.6934%) check_circle OK
150 ft 14 AWG 0.9985V (0.8321%) check_circle OK
175 ft 14 AWG 1.16V (0.9708%) check_circle OK
200 ft 14 AWG 1.33V (1.11%) check_circle OK
250 ft 14 AWG 1.66V (1.39%) check_circle OK
300 ft 14 AWG 2V (1.66%) check_circle OK
400 ft 14 AWG 2.66V (2.22%) check_circle OK
500 ft 14 AWG 3.33V (2.77%) 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.