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Grounded Conductor

Discussion in 'Wiki' started by derekleffew, May 28, 2009.

  1. derekleffew

    derekleffew Resident Curmudgeon Senior Team Premium Member

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    Las Vegas, NV, USA
    GroundED Conductor. The white wire, most often called the neutral conductor. Always carries some current, but may or may not be considered current-carrying by the NEC for de-rating and conduit fill purposes. A neutral conductor in a three-phase circuit that supplies only linear loads (lamps and other resisitive loads) is not considered current-carrying since it only carries the imbalance current of the three phases. If the conductor is supplying non-linear loads (Phase-control dimmers, switch mode power supplies and the like), it is considered a current-carrying conductor.

    Neutrals in two-wire, single phase applications are always considered current carrying conductors.

    Compare to Grounding Conductor.
    Last edited: May 29, 2009

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