Electrical Wiring (Wire Color Codes)
2017-11-2u2002·u2002Phase 1 - Phase 1 wiring should be brown. Phase 2 - Phase 2 wiring should be orange. Phase 3 - Phase 3 wiring should be yellow. Neutral - Neutral wires should be grey. Ground - Ground wiring should be green, or green with a yellow stripe. These are the wire color coding standards that are used in the United States.
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