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Thread: Grounding / Bonding Multiple Dwellings

  1. #1
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    Grounding / Bonding Multiple Dwellings

    In a multiple dwelling (4 Units/5 Meters), with one main disconnect for the entire service entrance, are the individual load centers treated as sub-panels(isolated ground and neutral) or as main panels?

  2. #2
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    The main disconnect is the service, everything downstream requires an EGC and isolation of it and the neutral.

    Roger
    Moderator

  3. #3
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    Quote Originally Posted by Angelglez View Post
    In a multiple dwelling (4 Units/5 Meters), with one main disconnect for the entire service entrance, are the individual load centers treated as sub-panels(isolated ground and neutral) or as main panels?
    sub-panels. GEC(s) go to main service disconnect (or technically anywhere from the service point to the main disconnect).
    Ethan Brush - East West Electric. NY, WA. MA

    "You can't generalize"

  4. #4
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    Thank you!

  5. #5
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    Quote Originally Posted by Angelglez View Post
    In a multiple dwelling (4 Units/5 Meters), with one main disconnect for the entire service entrance, are the individual load centers treated as sub-panels(isolated ground and neutral) or as main panels?
    Are the meters load side of the main service disconnect, if so the grounded conductor (neutral ) can rebond in the meter enclosure (s). The meters / individual meter enclosures would have to be adjacent to the service disconnect

    past the meter enclosure you would need the neutral to isolate from the equipment grounding

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