Preset for 120 V single-phase — branch circuits, receptacles, lighting and small appliances. A 3% budget at this voltage is 3.6 V.
| Size \ Amps | 15 A | 20 A | 30 A | 50 A | 100 A |
|---|---|---|---|---|---|
| 14 AWG | 39 | 29 | — | — | — |
| 12 AWG | 62 | 47 | — | — | — |
| 10 AWG | 99 | 74 | 50 | — | — |
| 8 AWG | 157 | 118 | 79 | 47 | — |
| 6 AWG | 244 | 183 | 122 | 73 | — |
| 4 AWG | 390 | 292 | 195 | 117 | — |
| 3 AWG | 490 | 367 | 245 | 147 | 73 |
| 2 AWG | 619 | 464 | 309 | 186 | 93 |
| 1 AWG | 779 | 584 | 390 | 234 | 117 |
| 1/0 AWG | 984 | 738 | 492 | 295 | 148 |
| 2/0 AWG | 1241 | 931 | 620 | 372 | 186 |
| 3/0 AWG | 1567 | 1175 | 783 | 470 | 235 |
| 4/0 AWG | 1974 | 1480 | 987 | 592 | 296 |
Cells are blank where the size is below the 75 °C ampacity for that load.
3.6 V — the recommended maximum branch-circuit drop at this voltage. The 5% total budget is 6.0 V.