NEC Code Basics - 2017

Conductors for General Wiring

Do you know the rules for selecting and sizing the right conductor for the application?

Article 310 contains the general requirements for conductors, such as insulation markings, ampacity ratings, and conditions of use. It doesn’t apply to conductors that are part of flexible cords or fixture wires — nor does it apply to conductors that are integral parts of equipment [90.7 and 300.1(B)].

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