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Old 06-14-2010, 03:35 PM   #1
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grounding jumper over water pressure regulator?


where my water line comes in the basement I have my service panel bonded to it right where it comes in... then it goes to a water metere, then a check valve then they have the same bonding line clamped on the other end of the meter and check valve also (I guess to reduce resistance past the meter and check valve or if there is no direct path for electic to flow to ground)..... well I had to have a pressure reducing valve put in past that... should this also have been jumpered from the end before it to the end after it to continue the bonding past it? not sure if it reduces resistance or not but its a brass device not copper...

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Old 06-14-2010, 05:23 PM   #2
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grounding jumper over water pressure regulator?


you have to jumper across any device that is designed to be removed: pressure reducing valves, meters, water heaters, anything of the sort.

I have actually had an inspector require jumpers at a faucet (like in kitchen or bath). That doesn't really make a lot of sense to me but it costs about $5 to do it so I go "OK". Sometimes it's easier to say OK than argue. I would have spent more than $5 of time to argue and then still probably would have had to do it.

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Old 06-14-2010, 05:26 PM   #3
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grounding jumper over water pressure regulator?


The bonding jumpers are installed to ensure conductivity if parts should be removed. A good example would be your meter or a water heater. It's also used when there are dielectric fittings in the mix. If your fittings are just normal plumbing, you shouldn't need to jumper them.
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