BASIC CABLE AMPACITIES
at 40 C for 90 C cable


Cable Size
IEEE Ampacity NEC Ampacity Lowest Ampacity
14 18 17.6 17.6
12 24 22 22
10 31 30.8 30
8 42 44 42
6 55 57.2 55
4 72 74.8 72
2 94 101.2 94
1/0 127 132 127
2/0 145 154 145
4/0 200 202.4 200
250 223 224.4 223
350 272 272.8 272
500 3343 334.4 334
750 433 418 418
1000 491 479.6 479.6