Hangar Flying
Wire Size Calculator
Wire
Copper aircraft wire to MIL-W-22759/16, whose insulation is good for 150 °C. The temperature rise added to the temperature of the air around the wire should stay under that.
| AWG | Milliohms per foot | Amps, 35 °C rise | Amps, 10 °C rise |
|---|---|---|---|
| 22 | 16.1 | 5 | 3 |
| 20 | 10.2 | 7 | 4 |
| 18 | 6.39 | 10 | 5 |
| 16 | 4.01 | 12.5 | 7 |
| 14 | 2.53 | 15 | 10 |
| 12 | 1.59 | 20 | 12.5 |
| 10 | 1 | 30 | 15 |
| 8 | 0.628 | 40 | 20 |
| 6 | 0.395 | 54 | 30 |
| 4 | 0.249 | 72 | 40 |
| 2 | 0.156 | 100 | 54 |