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-   -   Subpanel install (https://www.askmehelpdesk.com/showthread.php?t=185765)

  • Feb 19, 2008, 08:33 AM
    cdx2
    Subpanel install
    I have looked through all the other posts and can not seem to find an answer. I am in the process of finishing my basement and want to add a sidecar. It will be located right next to the main. Just for ease of running conduit from it. I know I need to separate the ground and nuetral but here is my question. I live in Chicago and there is never any bare ground wire run the conduit is used as the ground I assume since it is ties to the cold water pipe. For the subpanel I have read run the bare ground wire and 2 hots and nuetral. Do I need a ground wire since the conduit will act as the ground. If I need one do I just connect it to the nuetral/ground bar in the main then connect to ground bar in the sidecar? If you need me to clarify let me know. Thanks, Craig
  • Feb 20, 2008, 04:30 PM
    tkrussell
    While metal conduit is allowed as an equipment ground, typically one is installed from the neutral/ ground bar in the main panel, that contains the Main Breaker, to the equipment ground bar in the subpanel.

    Unless it is a local code, green insulated wire is used.


    Most of what you have seen is probably older installations that often used only the metal conduit as the ground.

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