CSST bonding???

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Mgarf33

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Had a home inspector flag an existing home with non-arc resistant jacketed CSST. The inspectors asks for a bonding wire. Ok, I'm good with that, as I don't really like CSST and don't use it myself. I'm an older rigid iron pipe HVAC, Gasfitter guy; I cut and thread.
So, I reviewed the most recent code requiring bonding to ensure it hasn't changed. While doing so I ran across a site that suggests installing a separate ground electrode (attached pic method 2) greater than 6' from the main electrode. Hmmm, doesn't that negate the zero potential we're trying to attain? I was taught in my NEC courses that additional bonding rods can cause issues, as there is a potential difference between them if they're not bonded together.
 

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Welcome to the forum. You cannot drive a separate ground rod without connecting it to the rest of the grounding electrode system or, as you said, it would not comply with the manufacturers or the gas code requirements.
 
I just looked at the graphic and that would be compliant because there is a grounding electrode conductor sent back to the service but it is not necessary. Now if that graphic is saying to drive a rod and not connect it to the panel then IMO, it is not compliant
 
Where you got that from says it is from a local building building code in Rogers county Oklahoma and not from NFPA or other national codes or even from manufacturers instructions for that matter.

They can make up their own rules/amendendments like any other jurisdiction whether it is a good idea or not.
 
Dennis Alwon said:
Welcome to the forum. You cannot drive a separate ground rod without connecting it to the rest of the grounding electrode system or, as you said, it would not comply with the manufacturers or the gas code requirements.
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One of them is method one and the other is method 3. Chances are they don't both exist together in the method instructions, but we don't have those details either.
 
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