Most charts provide ampacity for copper and aluminum wire and their most common insulation materials. Kitchen, bathroom, and outdoor receptacles (outlets); 120-volt air conditioners 20 amps 12 ...

Table 310.16 in the NEC contains allowable ampacities for AA-8000 wire in most feeder and branch-circuit applications. Inspectors also should verify the lugs are rated for use with aluminum conductors ...

The minimum sizes of conductors are 14 AWG copper or 12 AWG aluminum or copper ... 3-wire circuit from a 4-wire, 3-phase, wye-connected system is considered a current-carrying conductor for conductor ...