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  1. #1
    Join Date
    Apr 2008
    Location
    McKinney Texas
    Posts
    475

    Default Requirement on bonding/grounding interior gas lines

    Here in North Texas on newer construction we see flexible gas line commonly used in the attic. These lines usually tie back to a main distribution point (or "manifold") in the attic, which a shutoff valve for each branch (or line) of the gas lines.

    Question, does the metal manifold have to be grounded/bonded ? I came across a house with previous inspection and that inspector flagged the gas manifold as "not grounded". I have not been flagging these.

    Appreciate any thoughts on this.

    Thanks

    Gene

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  2. #2
    Jack Murdock's Avatar
    Jack Murdock Guest

    Default Re: Requirement on bonding/grounding interior gas lines

    Gene,
    CSST should be bonded where it enters the building back to the electrical distribution panel. The UL listed bonding clamp is attached to the nut not the tubing. Or depending on what state you are in it may have to be a black nipple. Here in New England both Mass and NY have stricter requirements than the manufacturer as state law. We must be licensed by the state (Mass + NH) and certified by a factory trained instructor to buy CSST here. It would be helpful to know which brand of CSST it is. As important as bonding is, I think clearances to penetration threats and how it is installed and supported is just as critical. I hope this helps keep up the good work.
    Jack


  3. #3
    A.D. Miller's Avatar
    A.D. Miller Guest

    Default Re: Requirement on bonding/grounding interior gas lines

    GS: This may help.

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  4. #4
    Join Date
    Apr 2008
    Location
    McKinney Texas
    Posts
    475

    Default Re: Requirement on bonding/grounding interior gas lines

    Thanks guys, that was helpful.

    Gene


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