Find the right breaker and wire size per NEC guidelines
NEC standard breaker-to-wire matching (copper, 60C)
| Breaker (A) | Min Wire (AWG Cu) | Max Load (W @120V) | Max Load (W @240V) |
|---|---|---|---|
| 15 | 14 | 1,440 | 2,880 |
| 20 | 12 | 1,920 | 3,840 |
| 30 | 10 | 2,880 | 5,760 |
| 40 | 8 | 3,840 | 7,680 |
| 50 | 6 | 4,800 | 9,600 |
| 60 | 4 | 5,760 | 11,520 |
| 100 | 1 | 9,600 | 19,200 |
| 200 | 2/0 | 19,200 | 38,400 |