| AWG规格 | 直径 | 电阻 | 最大电流 | |||
| 每1000 ft | 每 km | 风冷 | 裸线 | |||
| 18 | 0.0403" | 1.0236mm | 6.39Ω | 20.94Ω | 16A | 2.3A |
| 19 | 0.0359" | 0.9119mm | 8.05Ω | 26.41Ω | 14A | 1.8A |
| 20 | 0.0320" | 0.8128mm | 10.15Ω | 33.29Ω | 11A | 1.5A |
| 21 | 0.0285" | 0.7239mm | 12.80Ω | 41.98Ω | 9A | 1.2A |
| 22 | 0.0254" | 0.6452mm | 16.14Ω | 52.94Ω | 7A | 0.92A |
| 23 | 0.0226" | 0.5740mm | 20.36Ω | 66.78Ω | 4.7A | 0.729A |
| 24 | 0.0201" | 0.5105mm | 25.67Ω | 84.20Ω | 3.5A | 0.577A |
| 26 | 0.0159" | 0.4039mm | 40.81Ω | 133.86Ω | 2.2A | 0.361A |