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    ekwalker's Avatar
    ekwalker Posts: 3, Reputation: 1
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    #1

    Apr 11, 2011, 08:45 AM
    100 Amp Service to Barn?
    I am confused on the proper ground and bonding here is what I have: 100 amp disconnect coming off Meter (2 hot, 1 common), then 4 wires to the 100 amp panel in barn (2 hot, 1 commmon, and 1 ground). My question is do I bond this ground to the common at the disconnect and then connect to the added equipment ground at the panel and do not pput in the bond screw? I have ground rod at the panel connected to equipemnt ground in the barn.
    tkrussell's Avatar
    tkrussell Posts: 9,659, Reputation: 725
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    #2

    Apr 11, 2011, 09:30 AM
    See if you can follow the diagram below I found at DIYchatroom.com:
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    ekwalker's Avatar
    ekwalker Posts: 3, Reputation: 1
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    #3

    Apr 11, 2011, 10:30 AM
    Ok, IF I am reading that correctly, bond at the Disconnect and do not bond the equipment and common at the panel in the barn. Am I correct or way off? I have asked some local electricians and each have a different opinion, I guess that is why I am so confused.
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    tkrussell Posts: 9,659, Reputation: 725
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    #4

    Apr 11, 2011, 10:39 AM
    You are 100% correct, the neutral and equipment ground cannot be connected at any place but the Main.

    Only deal with the electricians that told you what I have told you.
    ekwalker's Avatar
    ekwalker Posts: 3, Reputation: 1
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    #5

    Apr 11, 2011, 11:14 AM
    1 said to do it that way and another said to not even run the ground wire between the disconnect and the panel at the barn.
    tkrussell's Avatar
    tkrussell Posts: 9,659, Reputation: 725
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    #6

    Apr 12, 2011, 02:31 AM
    Hire the one electrician that explained to do it as the diagram.
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