Wire Size for 1.13 Amps

Typical copper wire gauges for 1.13 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 1.13A 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.

1.13A Wire Gauge by Distance

DistanceCopper GaugeV-Drop (Cu)NEC Status
25 ft 14 AWG 0.1774V (0.1478%) check_circle OK
50 ft 14 AWG 0.3548V (0.2957%) check_circle OK
75 ft 14 AWG 0.5322V (0.4435%) check_circle OK
100 ft 14 AWG 0.7096V (0.5914%) check_circle OK
125 ft 14 AWG 0.8871V (0.7392%) check_circle OK
150 ft 14 AWG 1.06V (0.887%) check_circle OK
175 ft 14 AWG 1.24V (1.03%) check_circle OK
200 ft 14 AWG 1.42V (1.18%) check_circle OK
250 ft 14 AWG 1.77V (1.48%) check_circle OK
300 ft 14 AWG 2.13V (1.77%) check_circle OK
400 ft 14 AWG 2.84V (2.37%) check_circle OK
500 ft 14 AWG 3.55V (2.96%) 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.