NEC 310-16

NEC 310-16

Minimum size conductor.

The National Electrical Code requirements for conductor sizing is complex. As a guideline following ratings can be used:

Continues Load Copper Conductor
15A 14 AWG
20A 12 AWG
30A 10 AWG
40A 8 AWG
55A 6 AWG
70A 4 AWG
85A 3 AWG
95A 2 AWG
110A 1 AWG
125A 1/0 AWG
145A 2/0 AWG
165A 3/0 AWG
195A 4/0 AWG