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Pump Bonding


homnspector
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if the plumbing to the jetted tub is all plastic like PEX and the piping for the jetted tub itself is all plastic and no real metal parts around the location of that pump then NO.......don't worry about seeing a bond for it to that lug set. The pump itself will have bonding within the GFCI and so on from the cord and plug.

If you had copper pipes feeding the jetted tub and metal piping or fitting under it...then yes the bonding would have been required.

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if the plumbing to the jetted tub is all plastic like PEX and the piping for the jetted tub itself is all plastic and no real metal parts around the location of that pump then NO.......don't worry about seeing a bond for it to that lug set. The pump itself will have bonding within the GFCI and so on from the cord and plug.

Would that take care of any path found through the water?

Thanks,

Craig

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Mark,

That would be assuming the BOND does take place....but as we find sometimes it is also used for metal railings and other items near the jetted tub. If the piping was copper we can only HOPE it is bonded properly. I see plastic pipe coming in all the time and then change over to Copper....While they SHOULD bond the interior water piping...some electricians get it confused with 250.104 which deals with OTHER piping systems.....

The motor in many cases is isolated from the case...so if the case was energized or metal parts like railings or so on that may be to the jetted tub....using the BOND will help aid in removing the potential current from the metal and basically gives a point of connection for the OTHER metal items.....

If the interior water piping system is bonded properly.....

680.74 Bonding. All metal piping systems and grounded

metal parts in contact with the circulating water must be bonded

together using a solid copper bonding jumper not smaller than 8

AWG.

It may use the copper water pipe BUT the lug is provided to meet 680.74 as one example.

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