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  1. #1
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    Mar 2010
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    Ocala Florida
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    Default Copper supply pipe bonding questions

    Central Florida: Typically I see the bond wire for the copper water supply piping attached to piping just above the water heater. Sometimes I can't find where it is bonded but when checked; I find that it is bonded. Question # 1: Where else (out of sight) would it be bonded. Question # 2: Did a home the other day where the bond wire above the water heater was totally disconnected from the supply piping; I did a bond check anyway and found that the piping, was in fact, still bonded. What gives? Thanks, Mark

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  2. #2
    Join Date
    Mar 2007
    Location
    New Mexico
    Posts
    1,288

    Default Re: Copper supply pipe bonding questions

    My other spot that I find is at the shut off valve where the water is coming into the house. After that it's a note in the report that I could not verify the location. A lot of times they bury it in the wall too far and it gets covered by the sheet rock installer.

    Jim Robinson
    New Mexico, USA

  3. #3
    Join Date
    Mar 2007
    Location
    Ormond Beach, Florida
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    26,967

    Default Re: Copper supply pipe bonding questions

    Quote Originally Posted by mark petty View Post
    Question # 1: Where else (out of sight) would it be bonded.
    The bond connection is required to be accessible, thus it would need to be visible.

    Question # 2: Did a home the other day where the bond wire above the water heater was totally disconnected from the supply piping; I did a bond check anyway and found that the piping, was in fact, still bonded. What gives?
    If the bond wire was off, it was no longer bonded - bonding is intentionally creating a specific minimum electrically conductive path ... which was disconnected.

    What you found when you checked for continuity was that there is an unintentional electrically conductive connection somewhere - that unknown connection may not even be a permanent (an intentional good, tight, electrically conductive) connection.

    I would report that as the bonding connection was disconnected, I would NOT in anyway, state or imply in your report that you 'checked bonding by checking continuity and found that it was bonded'.

    Jerry Peck, Construction / Litigation Consultant
    Construction Litigation Consultants, LLC ( www.ConstructionLitigationConsultants.com )
    www.AskCodeMan.com

  4. #4
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    Mar 2010
    Location
    Ocala Florida
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    109

    Default Re: Copper supply pipe bonding questions

    Quote Originally Posted by Jerry Peck View Post
    The bond connection is required to be accessible, thus it would need to be visible.



    If the bond wire was off, it was no longer bonded - bonding is intentionally creating a specific minimum electrically conductive path ... which was disconnected.

    What you found when you checked for continuity was that there is an unintentional electrically conductive connection somewhere - that unknown connection may not even be a permanent (an intentional good, tight, electrically conductive) connection.

    I would report that as the bonding connection was disconnected, I would NOT in anyway, state or imply in your report that you 'checked bonding by checking continuity and found that it was bonded'.
    Jim, Jerry I did just as you said; thank you both for your help.


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