Feeder Sizing Basis

The wire size for a given ampacity is set in the Wire Sizing dialog box. See the Wire Ampacity section for more information on setting these values.

The default wire sizes are based upon NEC Table 310.16. The 60 degree C Copper column is used for wires up to #1. The 75 degree C Copper column is used for wires 1/0 and larger. These wire sizes are used when the wire size is chosen automatically.


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