I failed the electrical inspection, mainly because I forgot to run a ground to cold water. I also forgot to label the breaker that is running back to the existing sub panel, and the inspector wanted more tape on the neutral wire coming out of the weather head. No big deal. Just more tape. But what got me was the requirement that I bond to hot water and gas…
I can kinda understand the bonding to hot water. I say kinda because the hot water system does not go into the ground, but is part of the water supply system. I don’t understand the bonding to a gas line. It seems a little dangerous on one hand – potentially passing current to a pipe that carries a flammable gas – but on the other hand, it seems redundant because the gas line is already buried in earth.
I googled and found a few things that talk about bonding to the gas line, some say never to bond to the gas line, some say that you must bond to the gas line. I suppose I’ll have to acquire a copy of the 2005 NEC Handbook and read what they say.
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