Wire Gauge Chart

 

AWG

diameter

amps

Small

smaller
14 .073 15
12 .092 20
10 .115 30
8 .146 50

Med

6 .184 65
4 .235 85
3 .281 100
2 .295 115
1 .335 130
0 (1/0) .380 150
00 (2/0) .420 175
000 (3/0) .475 200
0000 (4/0) .530 230
250kcmil .580 255
300kcmil .635 285
350kcmil .690 310
400kcmil .730 335

Big

500kcmil .820 380
larger

 

If unsure of your wire’s gauge, we have tools to measure it at our shop.