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Thread: Strip mall service bonding

  1. #1

    Strip mall service bonding

    Installing 3 different services on a strip mall. Two of them are for tenant spaces and one for house lighting. All three have their own ct cabinet and disconnect. It's my understanding that all three must be tied/bonded to the same grounding electrode system. What would be the best way to do this?

  2. #2
    Join Date
    Jul 2005
    Location
    Tennessee
    Posts
    15,241
    Are you fortunate enough to have a common electrode such as building steel or water lines meeting the requirement of 250.68 ?

    Have you noted 250.30(A)(6). Some of the strip malls I've inspected call for a common grounding electrode conductor due to multiple SD systems.
    At my age, I'm accustomed to restaurants asking me to pay in advance, but now my bank has started sending me their calendar one month at a time.

  3. #3
    I do have both building steel & metal water piping. With the metal water pipe would I have to run all three bond wires to within 5' of entry or is it exceptable anywhere on the piping system?

  4. #4
    Join Date
    Jul 2005
    Location
    Tennessee
    Posts
    15,241
    Take a look at 250.68(C)(1) & (C)(2). If either fit the requirements you should be able to bond close to each service.
    At my age, I'm accustomed to restaurants asking me to pay in advance, but now my bank has started sending me their calendar one month at a time.

  5. #5
    Join Date
    Feb 2017
    Location
    Nj
    Posts
    17
    Quote Originally Posted by slc410 View Post
    Installing 3 different services on a strip mall. Two of them are for tenant spaces and one for house lighting. All three have their own ct cabinet and disconnect. It's my understanding that all three must be tied/bonded to the same grounding electrode system. What would be the best way to do this?
    Once you establish a ges you bond each service to one of the electrodes,
    250.50

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