Electrical Properties of Standard Annealed Copper Wire
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Bare Wire Gauge* AWG | Diameter (Nominal) in | Area, Circular Mils | Ohms/1000 ft | Ft/ohm | Ampacity Outside Engine Space | Ampacity Inside Engine Space |
---|
0000 | 0.4600 | 211,600 | 0.04901 | 20,400 | 445 | 378.3 |
000 | 0.4096 | 167,800 | 0.06180 | 16,180 | 385 | 327.3 |
00 | 0.3648 | 133,100 | 0.07793 | 12,830 | 330 | 280.5 |
0 | 0.3249 | 105,500 | 0.09827 | 10,180 | 285 | 242.3 |
2 | 0.2576 | 66,370 | 0.1563 | 6,400 | 210 | 178.5 |
4 | 0.2043 | 41,740 | 0.2485 | 4,025 | 160 | 136 |
6 | 0.1620 | 26,250 | 0.3951 | 2,531 | 120 | 102 |
8 | 0.1285 | 16,510 | 0.6282 | 1,592 | 80 | 68 |
10 | 0.1019 | 10,380 | 0.9989 | 1,001 | 60 | 51 |
12 | 0.08081 | 6,530 | 1.588 | 630 | 45 | 38.3 |
14 | 0.06408 | 4,107 | 2.525 | 396 | 35 | 29.8 |
16 | 0.05082 | 2,583 | 4.016 | 249 | 25 | 21.3 |
18 | 0.04030 | 1,624 | 6.385 | 157 | 20 | 17 |
20 | 0.03196 | 1,022 | 10.15 | 98.5 | _ | _ |
22 | 0.02535 | 642.4 | 16.14 | 61.95 | _ | _ |
24 | 0.02010 | 404.0 | 25.67 | 38.96 | _ | _ |
26 | 0.01594 | 254.1 | 40.81 | 24.50 | _ | _ |
28 | 0.01264 | 159.8 | 64.90 | 15.41 | _ | _ |
30 | 0.01003 | 100.5 | 103.2 | 9.691 | _ | _ |
32 | 0.00795 | 63.21 | 164.1 | 6.095 | _ | _ |
36 | 0.00500 | 25.00 | 414.8 | 2.411 | _ | _ |
40 | 0.003145 | 9.888 | 1,049 | 0.9534 | _ | _ |