I work with some guys from Wisconsin and they are being taught in their apprentice school the you are required to take the gec to the cold water pipe and attach before the main valve and after. None of them can give me the code that requires this. I have always taken the gec to the cold water pipe and attached before the first joint and never been turned down. Is this practice a new code requirment that I am not aware of?
GEC to water pipe
- Thread starter jabaums
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mdshunk
Senior Member
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- Right here.
I'm not sure if bonding around the main valve is really required, but having a gec connection or at least a jumper on both sides of a meter is a good idea for safety's sake. Not just the fact that some are connected with dielectric fittings. Most water meters are connected such that they will pass current. If the GEC is connected on the house side only, and the water department removes the meter for whatever reason, the serviceman could get quite a shock if the service neutral connection is less than good. When the occupancy is served with an all metallic municipal water system, loose or even open neutrals can go undiagnosed for years with any real symptoms; until the water meter is removed.jabaums said:
Buck Parrish
Senior Member
- Location
- NC & IN
jabaums said:
May be they do their meters different up north because of the cold.
But in the south the water meter is out their near the street. Their is a shut off out there.
But we have a Main valve under the house, too.
I attatch gec right there with in 5 ft. of where the pipe comes out of the ground.
brother
Senior Member
mdshunk said:
I just had this discussion with someone, do you feel that the dielectric unions need to be jumpered over? do you think this would defeat the dielectric union to stop the disimular metels galvanizing??
mdshunk
Senior Member
- Location
- Right here.
I really don't see where I have a choice if there's more "system" on the other side of that dielectric fitting. I wired a new home for a man who was high up in a certain governmental agency with three letters. He had installed "PVC breaks" in almost everything metallic in the home at certain intervals; even underground. I summarily bonded around them in the pipework indoors to get an inspection. What was done with them later doesn't concern me much.brother said:
brother
Senior Member
mdshunk said:
thats alot bonding, ive heard arguments over this issue on both sides, some say u dont have to jumper it, cause it will defeat the dielectric union others say yes.
even with the metal in the plumbing in the house if you have to do a repair and replace a section with pvc some say dont worry about jumpering it. I suppose its up to the AHJ.
quogueelectric
Senior Member
- Location
- new york
We are required to jump across the meter if it is installed indoors.
Pierre C Belarge
Senior Member
- Location
- Westchester County, New York
In some jurisdictions, where the water meter is installed just after the water enters the building, the utility company will require that the GEC is terminated to the "street" side first.
See 250.53(D)(1) & 250.68(B) and 250.104(A)
See 250.53(D)(1) & 250.68(B) and 250.104(A)
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