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Thread: Service disconnect and grounding

  1. #1
    Join Date
    Nov 2007
    Posts
    8

    Service disconnect and grounding

    OK, I have done numerous services in Maryland but as it happens I have never had do to one with a disconnect because I am going to exceed 3' going into the house to the panel. The homeowner would like to relocate the 25' of service entrance cable running down the side of the house to inside the attic. My plan is to install new SE cable to meter can connected to an outside 200A disconnect and run SER to the service panel. This run would be 25' inside the house. My questions are:
    (1) Is the running the SER through the house OK at this point because I have a disconnect?
    (2) I will be driving 2 ground rods 10' apart but located near the service panel. Do I need to run a bonding ground to the meter can. I am thinking of the bonding that needs to be available to other utilities (phone, cable and such)?
    Chuck

  2. #2
    Join Date
    Nov 2007
    Posts
    8

    OK my brains not working

    The disconnect becomes the main and the main panel is now a subpanel. My grounding happens at the disconnect....

  3. #3
    Join Date
    Jul 2003
    Location
    New Jersey
    Posts
    19,397
    The SER is permitted within the house because of the 200 amp disconnect (w/ an OCPD) at the meter. All of your GEC's must terminate at the disconnect as well. Neutrals and EGC's must be separate at the panel inside.
    Rob

    Chief Moderator

    All responses based on the 2011 NEC unless otherwise noted

  4. #4
    Join Date
    Nov 2007
    Posts
    8
    Thanks, Infinity.
    Got it now.
    Chuck

  5. #5
    Join Date
    Jul 2005
    Location
    Tennessee
    Posts
    12,850
    If you are covered by the '08 Code, it would be good to check with your inspector on how they are enforcing the 60° rating on SE cable installed on the interior.
    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.

  6. #6
    Join Date
    Nov 2007
    Posts
    8
    Just spoke with the local inspector. He is fine with my plan. I find them pretty easy to work with here. I am forturnate in that regard.
    Thanks for all the help.
    Chuck

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