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 ...

The calculated minimum ampacity of a conductor is 200A. Type XHHW-2, 600V, copper wire is being used on the circuit. The parameters found at the top of Table 310.15(B)(16) are met in this case, so we ...

The slide tool, titled “Rooftop Ampacity Adjustments,” allows users to determine the adjusted ampacity for various copper wire sizes and types, based on estimates of the temperature inside the conduit ...