Nec Wiring Color Code

Nec wiring color code

The protective ground is green or green with yellow stripe. The neutral is white, the hot (live or active) single phase wires are black , and red in the case of a second active. Three-phase lines are red, black, and blue.

Which color wires are positive and negative?

The positive current must be red. The negative current must be black. The ground wire, if present, must be white or grey.

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