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Joined: Jan 2007
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This may belong in another forum.You have a jacuzzi tub in a bathroom,residential.One situation has copper pipes throughtout the house and the other situation has all plastic plumbing EXCEPT the fuacets on the jacuzzi,copper.By code,INCLUDING the lug on motor,what is the grounding procedure here?Bouncing across state lines here and trying to keep alot of inspectors happy?Latest fella wanted one from service to motor only in situation number 2.
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Joined: Mar 2005
Posts: 49
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Normally if all copper motor to water pipe.
If plastic- motor to circuit breaker panel
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Joined: Dec 2003
Posts: 751
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680.74 requires metal piping systems and grounded metal parts in contact with the circulating water to be bonded together. If there are no metal pipes, then no bonding is required. You are making an equipotential grid. Never is it required to bond a hydromassage bathtub to the panel or the service. NEVER!!!!!!
Earl
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Joined: Dec 2003
Posts: 751
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That said, it is still required to include an equipment grounding conductor with the branch circuit conductors feeding the motor, and that conductor is bonded inside the motor to any metal parts. But no additional bonding to the panel is required.
Earl
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Joined: Mar 2005
Posts: 49
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I worked for an electrician in NJ. The Inspector failed the rough in because he wanted a ground wire ran from the motor bond lug to the CB Panel due to plastic plumbing.This was in Salem county Nj
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Joined: Jul 2002
Posts: 717
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I worked for an electrician in NJ. The Inspector failed the rough in because he wanted a ground wire ran from the motor bond lug to the CB Panel due to plastic plumbing.This was in Salem county Nj
He had you do that because he doesn't know the difference between grounding, bonding, and equalpotential planes.
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Joined: Nov 2005
Posts: 507
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dirty little secret in NJ...many electrical inspectors are failed electrical contractors for a reason...
Notice I said many...not all....many...
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Posts: 421
Joined: September 2005
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