Single Phase Residential Dwelling Services and Feeders - Service Amps and AWG Wire Size
| Copper Wire Size |
Aluminum Wire Size |
Service or Feeder Amps |
| 4 AWG |
2 AWG |
100 |
| 3 AWG |
1 AWG |
110 |
| 2 AWG |
1/0 AWG |
125 |
| 1 AWG |
2/0 AWG |
150 |
| 1/0 AWG |
3/0 AWG |
175 |
| 2/0 AWG |
4/0 AWG |
200 |
| 3/0 AWG |
250 kcmil |
225 |
| 4/0 AWG |
300 kcmil |
250 |
| 250 kcmil |
350 kcmil |
300 |
| 350 kcmil |
500 kcmil |
350 |
| 400 kcmil |
600 kcmil |
400 |
Table 310.12, 2020 NEC®
Warning: For safety, call a licensed electrician or consult the NEC®. All licensed electricians have passed examinations covering
the National Electric Code®, know state and local building codes, and may carry insurance to cover damages.