388 Watts to Amps

388 watts is 3.23 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

388 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
32.33A 38.04A 21.96A
24V
DC, industrial control
16.17A 19.02A 10.98A
100V
Japan residential
3.88A 4.56A 2.64A
120V
US residential
3.23A 3.8A 2.2A
208V
US commercial three-phase
1.87A 2.19A 1.27A
220V
Legacy international / parts of Asia
1.76A 2.07A 1.2A
230V
UK / EU residential
1.69A 1.98A 1.15A
240V
US residential (dryer, range, HVAC)
1.62A 1.9A 1.1A
277V
US commercial lighting
1.4A 1.65A 0.9514A
400V
UK / EU commercial three-phase
0.97A 1.14A 0.6589A
460V
US industrial motor (NEC 430.250 column)
0.8435A 0.9923A 0.5729A
480V
US industrial three-phase
0.8083A 0.951A 0.549A
575V
Canadian industrial three-phase
0.6748A 0.7939A 0.4583A

Other Wattages

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.