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  1. #11
    Join Date
    Aug 2007
    Location
    The deep South
    Posts
    459

    Default Re: Cold water pipe ground

    If the power is off ( main breaker or fuses ) , there will be no current flow . Lifting the ground connection will be OK .

  2. #12
    Join Date
    Nov 2007
    Posts
    7

    Default Re: Cold water pipe ground

    Quote Originally Posted by djohns View Post
    If the power is off ( main breaker or fuses ) , there will be no current flow . Lifting the ground connection will be OK .
    Thank you. That simplifies the process considerably.

  3. #13
    Join Date
    Jun 2007
    Location
    Shamokin, Pa.
    Posts
    645

    Default Re: Cold water pipe ground

    Quote Originally Posted by djohns View Post
    If the power is off ( main breaker or fuses ) , there will be no current flow . Lifting the ground connection will be OK .
    But then you could be working in the dark.
    Unless you drag power from a neighbor, that is.

  4. #14
    Join Date
    Aug 2007
    Location
    The deep South
    Posts
    459

    Default Re: Cold water pipe ground

    Turn the power OFF and do the work , or run a new ground and leave the power ON . Ernie , is there another option that I'm missing ?

  5. #15
    Join Date
    Jun 2007
    Location
    Chicago, IL
    Posts
    162

    Default Re: Cold water pipe ground

    Around here (Chicago area), inspectors have been requiring both a ground rod and cold water ground lately. There should also be a jumper installed across the water meter. (Meters are generally indoors here, rather than in a meter vault outside.)
    HTH

    Dave

  6. #16
    Join Date
    Nov 2007
    Posts
    7

    Default Re: Cold water pipe ground

    Quote Originally Posted by Dave357 View Post
    Around here (Chicago area), inspectors have been requiring both a ground rod and cold water ground lately. There should also be a jumper installed across the water meter. (Meters are generally indoors here, rather than in a meter vault outside.)
    I'm near Chicago and my water meter has a jumper installed. However, the cold water pipe is my only ground. It's a 50-year old house.

    Is there a way to ground the electrical service from outside at the meter without using the connection on the service panel inside? It would be nice if I didn't have to run conduit through the building.

  7. #17
    Join Date
    Jun 2007
    Location
    Shamokin, Pa.
    Posts
    645

    Default Re: Cold water pipe ground

    Quote Originally Posted by Dave357 View Post
    Around here (Chicago area), inspectors have been requiring both a ground rod and cold water ground lately. There should also be a jumper installed across the water meter. (Meters are generally indoors here, rather than in a meter vault outside.)
    Central Penna inspectors require both grounding methods as well.

  8. #18
    Join Date
    Jun 2007
    Location
    Shamokin, Pa.
    Posts
    645

    Default Re: Cold water pipe ground

    Quote Originally Posted by djohns View Post
    Turn the power OFF and do the work , or run a new ground and leave the power ON . Ernie , is there another option that I'm missing ?
    None that I can think of.
    I would go with turning the power off do the work.

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