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    CSST bonding to sub panel

    Can someone tell where it states that the #6 bonding wire has to be connected to the main panel and not a sub panel ground bar?

    #2
    It's in the Fuel Gas Code of the IRC. G2411. I'm sure it's in the IFGC as well.
    Ron

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      #3
      CSST

      Not connected to feeder_MP. Listed clamp to gas line, not CSST.
      [COLOR="#FF0000"]Bonding[/COLOR] to H/C, interior city water line GEC from MP.
      GEC_EGC bonded at MP, 2014 NEC 250.68(C)
      Tbl 250.66 for AWG size, 200A SE_4 AWG CU, 100A 6 AWG CU

      Originally posted by kec View Post
      Can someone tell where it states that the #6 bonding wire has to be connected to the main panel and not a sub panel ground bar?
      Last edited by scook56; 05-25-18, 10:31 AM.

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        #4
        Originally posted by kec View Post
        Can someone tell where it states that the #6 bonding wire has to be connected to the main panel and not a sub panel ground bar?
        Not in the NEC. NEC has no rules concerning CSST other then that it is metallic gas piping and must at least be bonded by the EGC of the branch circuit likely to energize it.

        Gas codes or specific product instructions are where you need to look.
        I live for today, I'm just a day behind.

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          #5
          Yeah i pretty much came to the same conclusion Kwired

          all i found was>>>

          250.104 (B) Other Metal Piping

          choices 1 thru 5 , with ref to Table 250.122

          I just can't see a piece of #12 being used, pretty sure most any 'bond cu' , or that which would fly around solo would be #8 ,fairly prevalent thru the code

          ~RJ~

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            #6
            Originally posted by romex jockey View Post
            Yeah i pretty much came to the same conclusion Kwired

            all i found was>>>

            250.104 (B) Other Metal Piping

            choices 1 thru 5 , with ref to Table 250.122

            I just can't see a piece of #12 being used, pretty sure most any 'bond cu' , or that which would fly around solo would be #8 ,fairly prevalent thru the code

            ~RJ~
            As I said - not in NEC. NEC is fine with bonding it with 12 AWG if only circuit that is likely to energize it is a 20 amp circuit, and doesn't even require it to be "bond wire" but rather just be the EGC of the circuit that may energize it. Gas valve in a furnace is likely bonded to the EGC of the furnace branch circuit and also bonded to the gas supply piping - In that case NEC requirements are met. Gas code or product instructions for CSST being used may require more then that though.
            I live for today, I'm just a day behind.

            Comment


              #7
              Originally posted by kec View Post
              Can someone tell where it states that the #6 bonding wire has to be connected to the main panel and not a sub panel ground bar?
              250.104 (B) (3) in the 2014 NEC states that you can bond the gas piping system to the grounded conductor at the service (which is the neutral).

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                #8
                Originally posted by JosephPrince View Post
                250.104 (B) (3) in the 2014 NEC states that you can bond the gas piping system to the grounded conductor at the service (which is the neutral).
                At the service equipment grounding conductor and grounded conductor are the same point, but once you leave with branch circuits/feeders they must be separated.
                I live for today, I'm just a day behind.

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                  #9
                  So, why aren't the gas guys doing it?

                  ~RJ~

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                    #10
                    Originally posted by romex jockey View Post
                    So, why aren't the gas guys doing it?

                    ~RJ~
                    My thought as well, also why isn't this another reason for requiring an intersystem bonding termination? It is supposed to be there for others to use and not have to enter the electrical enclosures.
                    I live for today, I'm just a day behind.

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                      #11
                      good point, in that respect the nec is being very accomodating of other trades ~RJ~

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                        #12
                        Originally posted by romex jockey View Post
                        good point, in that respect the nec is being very accomodating of other trades ~RJ~
                        I don't know what CSST instructions say but many seem to think it must go to the electric panel and not to the ISBT though.
                        I live for today, I'm just a day behind.

                        Comment


                          #13
                          Originally posted by kwired View Post
                          I don't know what CSST instructions say but many seem to think it must go to the electric panel and not to the ISBT though.
                          Of the few I have installed, most got split-bolted to the GEC in the crawl space.
                          Master Electrician
                          Electrical Contractor
                          Richmond, VA

                          Comment


                            #14
                            Originally posted by LarryFine View Post
                            Of the few I have installed, most got split-bolted to the GEC in the crawl space.
                            What few? CSST bonding or the ISBT?
                            I live for today, I'm just a day behind.

                            Comment


                              #15
                              Originally posted by kwired View Post
                              What few? CSST bonding or the ISBT?
                              CSST bonding; I don't know what ISBT is.
                              Master Electrician
                              Electrical Contractor
                              Richmond, VA

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