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Electrical Inspections Contains discussions about electrical systems. This includes receptacles, panels, wiring, etc.

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  #1  
Old 10/16/09, 10:03 PM
Joe Funderburk, CMI's Avatar
Joe Funderburk, CMI Joe Funderburk, CMI is offline
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Default Pool pump bonding

Must a pool pump be bonded? (See the attached photo which would seem to answer my question.) If so, what would they bond it to? The ground rod was on the other side of the house and the plumbing pipes were PEX.

Why would that be necessary if the pump has a grounded (3 prong) power cord?

pool-pump-bonding-101609-057.jpg pool-pump-bonding-101609-058.jpg pool-pump-bonding-101609-056.jpg



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  #2  
Old 10/16/09, 10:20 PM
Larry Kage, CMI Larry Kage, CMI is offline
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Default Re: Pool pump bonding

I don't see many pools but this thread has a similar discussion:

http://www.nachi.org/forum/f19/pool-...111/#post23588



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  #3  
Old 10/16/09, 10:28 PM
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Default Re: Pool pump bonding

Doesn't look like there's much to bond on this pool, with the exception of the pump motor.

pool-pump-bonding-101609-012.jpg



“The things that will destroy America are peace at any price,
prosperity at any cost, safety first instead of duty first,
the love of soft living, and the get-rich-quick theory of life.”
Theodore Roosevelt


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Alpha & Omega Home Inspections, LLC
Inspecting Upstate SC & Charlotte Metro, NC
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  #4  
Old 10/17/09, 3:26 AM
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Default Re: Pool pump bonding

Yes, generally on a permenent installed pool with pool pump motors you would indeed bond the pool pump motor. It gets bonded to the equipotential plane that is required at the pool.
Quote:
680.26(B) Bonded Parts.
Quote:
The parts specified in 680.26(B)(1)
through (B)(7) shall be bonded together using solid copper
conductors, insulated covered, or bare, not smaller than
8 AWG or with rigid metal conduit of brass or other identified
corrosion-resistant metal. Connections to bonded
parts shall be made in accordance with 250.8. An 8 AWG or
larger solid copper bonding conductor provided to reduce
voltage gradients in the pool area shall not be required to be
extended or attached to remote panelboards, service equipment,
or electrodes.
(6) Electrical Equipment.
Metal parts of electrical equipment
associated with the pool water circulating system,
including pump motors and metal parts of equipment associated
with pool covers, including electric motors, shall be
bonded.
Exception: Metal parts of listed equipment incorporating
an approved system of double insulation shall not be
bonded.
(a) Double-Insulated Water Pump Motors. Where a
double-insulated water pump motor is installed under the
provisions of this rule, a solid 8 AWG copper conductor of
sufficient length to make a bonding connection to a replacement
motor shall be extended from the bonding grid to an
accessible point in the vicinity of the pool pump motor.
Where there is no connection between the swimming pool
bonding grid and the equipment grounding system for the
premises, this bonding conductor shall be connected to the
equipment grounding conductor of the motor circuit.
(b) Pool Water Heaters. For pool water heaters rated
at more than 50 amperes and having specific instructions
regarding bonding and grounding, only those parts designated
to be bonded shall be bonded and only those parts
designated to be grounded shall be grounded.




Hope this helps....




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Manager, Electrical Codes & Standards
Encore Wire Corporation

Disclaimer - All my posts on this forum are of my own personal opinion and in no way represent the opinions of Encore Wire, associations, organizations or affiliations.
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  #5  
Old 10/17/09, 12:29 PM
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Default Re: Pool pump bonding

Thanks guys for your input. It seems it all hangs on the definition of "permanently installed" pool. This is an above ground and probably doesn't meet that def. If you disagree, please let me know.



“The things that will destroy America are peace at any price,
prosperity at any cost, safety first instead of duty first,
the love of soft living, and the get-rich-quick theory of life.”
Theodore Roosevelt


Joe Funderburk, CBO, CMI
Alpha & Omega Home Inspections, LLC
Inspecting Upstate SC & Charlotte Metro, NC
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Ph: 704-351-1776
NACHI ID: NACHI05120170
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  #6  
Old 10/17/09, 3:02 PM
Jim Port Jim Port is offline
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Default Re: Pool pump bonding

Per 680 Definitions

Permanently installed swimming, wading, and therapeutic pools. Those that are constructed in the ground or partially in the ground, and all others capable of holding water in a deppt greater than 1 meter (42 inches), and all pools installed inside of a building, regardless of water depth, whether or not served by electrical circuits of any nature.

I would say the pool shown meets that definition.
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  #7  
Old 10/18/09, 12:11 PM
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Default Re: Pool pump bonding

I agree with Jim.....if deeper than 42 inches and is most certainly falling under the "All Others" label...it would be permenent to me and my electrical inspectors.



Paul W. Abernathy
Manager, Electrical Codes & Standards
Encore Wire Corporation

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  #8  
Old 10/18/09, 2:02 PM
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Linas Dapkus, CMI Linas Dapkus, CMI is offline
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Default Re: Pool pump bonding

Here's a couple of pics of my pool (above ground) pump bonding wire. The electrician attached it to the base of the pool.
Attached Thumbnails
pool-pump-bonding-img_4922.jpg   pool-pump-bonding-img_4923.jpg  



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  #9  
Old 10/18/09, 4:26 PM
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Default Re: Pool pump bonding

Don't ask me why, or what the difference is, but above ground does not require the same bonding as in ground.
The second is "closer to ground" than either.???!!!

A pool is a pool.
I think they all should be bonded, but this is about code which "holds little water with me" (pun intended)!



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  #10  
Old 5/1/10, 7:33 PM
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Default Re: Pool pump bonding

Can anyone tell me WHY this pool heater was bypassed from the pool pump system? The prospective buyer asked me WHY is this like this.The power had been off for some time the pool is full of water, Not a good site.
Attached Thumbnails
pool-pump-bonding-pool-001.jpg   pool-pump-bonding-pool-003.jpg  
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  #11  
Old 5/1/10, 7:50 PM
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Jeffrey R. Pope, CMI Jeffrey R. Pope, CMI is offline
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Default Re: Pool pump bonding

I can only speculate, but that's usually done when the heater is no longer functional and/or leaking.



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  #12  
Old 5/1/10, 8:01 PM
David A. Andersen's Avatar
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Default Re: Pool pump bonding

Looks to me like it was never hooked up in the first place.

Maybe just the camera angle.



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Bracebridge, Ontario:


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Clarksville - Nashville Home Inspector Lic#40
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Last edited by dandersen; 5/1/10 at 8:07 PM..
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  #13  
Old 5/1/10, 8:06 PM
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Default Re: Pool pump bonding

From the looks of the piping on the unit it appears that they have been cut off about an inch below the elbow.

I would go with Jeff's answer that the thing was leaking, broken or it just cost too much to run it.
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  #14  
Old 5/1/10, 9:30 PM
Frank P. Newman Frank P. Newman is offline
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Default Re: Pool pump bonding

I almost never see a [pool heater in working condition. Usually they appear to be abandoned. Seems like they don't hold up very well.



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Emerald City Inspections, LLC
Dublin, GA
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  #15  
Old 5/1/10, 9:32 PM
Frank P. Newman Frank P. Newman is offline
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Default Re: Pool pump bonding

Quote:
Originally Posted by jfunderburk View Post
Must a pool pump be bonded? (See the attached photo which would seem to answer my question.) If so, what would they bond it to? The ground rod was on the other side of the house and the plumbing pipes were PEX.

Why would that be necessary if the pump has a grounded (3 prong) power cord?

Attachment 32655 Attachment 32656 Attachment 32657
Just this week I ininspected a pool system that had a driven ground rod and bare copper conductor bonding each motor and the panels. Feeder from home system was 3 wire. Appeared to be OK to me (certianly better than most I see



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Dublin, GA
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