A/C Electrical Wiring Information for North America

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Wire Color Standard

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  • White - Neutral ..... (grounded conductor, neutral conductor, neutral point) conductor with continuity to the electrical system's center tap of the power company transformer.
  • Black - Hot 110v / 120v ..... (positive, power) not grounded, the active wire which is most likely to electrocute a person. This is the dangerous wire!
  • Bare - Ground ..... (grounding wire) a conductor with continuity to earth, may be bare or identified insulated wire of green or having green stripes.
  • Red - Hot 110v / 120v

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Standard Wire

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