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Thread: gronded conductor

  1. #1
    Join Date
    Feb 2004
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    633

    gronded conductor

    On a corner grounded three phase delta service the grounded conductor is marked white at the meter base and in the panel. once a three phase branch circuit leaves the panel must you mark the grounded conductor in the branch circuit white ?

  2. #2
    Join Date
    Oct 2009
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    Austin, TX, USA
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    Quote Originally Posted by domnic View Post
    On a corner grounded three phase delta service the grounded conductor is marked white at the meter base and in the panel. once a three phase branch circuit leaves the panel must you mark the grounded conductor in the branch circuit white ?
    Of course. Why wouldn't you?

  3. #3
    Join Date
    Aug 2004
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    Northern illinois
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    16,464
    Quote Originally Posted by domnic View Post
    On a corner grounded three phase delta service the grounded conductor is marked white at the meter base and in the panel. once a three phase branch circuit leaves the panel must you mark the grounded conductor in the branch circuit white ?
    it is still the grounded conductor.
    Bob

  4. #4
    Join Date
    Feb 2003
    Location
    Illinois
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    23,533
    While the code requires that grounded conductor to be identified just like any other grounded conductor, in the 20-30 grounded phase systems that I have seen, I have never seen the grounded conductor so identified.
    Don, Illinois
    Ego is the anesthesia that deadens the pain of stupidity. Dr. Rick Rigsby
    (All code citations are 2017 unless otherwise noted)

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