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#175753 - 03/10/08 05:43 PM
bond for pool
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eddiecurrent
New Member
Registered: 03/09/08
Posts: 8
Loc: fl
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i got a call to check pool lights for a costumer and noticed there was no #8 ground wire on any of the 2 pumps, lights, heaters, transformers,or sub panel.i didn't see any #8 solid at all in the sub panel.there was a stranded #8 or 10 from main panel.no ground rods at sub. they said the house was 6-8 years old.everything had lugs big enough for #8 including pumps.
my question is- does anyone know the codes for pool bond about 9-12 years ago?
i don't mess with pools much and am a new contractor.
i don't have code books past 2002.
since it's a ingrond concrete pool would the concrete act as a ground for the light, railing, and screen enclosure?
thanx for ur help.............
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#175756 - 03/10/08 06:14 PM
Re: bond for pool
[Re: eddiecurrent]
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KJay
Member
Registered: 11/27/07
Posts: 190
Loc: MA, USA
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The #8 solid bonding requirement for pools has been in the code longer than I have been in the trade, and that’s since the early 1980's.
The #8 doesn’t need to go back to the panel, it only bonds the pool associated equipment together to create the equipotential bonding grid.
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#175758 - 03/10/08 06:20 PM
Re: bond for pool
[Re: KJay]
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eddiecurrent
New Member
Registered: 03/09/08
Posts: 8
Loc: fl
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same grid meaning light, transformer, pool pumps, railing,heater, screen enclosure,etc. right?
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#175775 - 03/11/08 08:15 AM
Re: bond for pool
[Re: gfretwell]
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BPHgravity
Member
Registered: 04/08/03
Posts: 141
Loc: Port Charlotte, Florida
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We do three bonding inspections here in North Port. One at the shell, on at the deck, and one at the final.
I agree with Greg. If metal parts of the pool are not included in with the rest of the equipotential grid, such as shell steel, deck steel, metal handrails, niche light forming shell, metal within 5' of the water, ect..., a shock potential will be established between conductive parts.
_________________________
Bryan P. Holland, ECO.
Secretary - IAEI Florida Chapter
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#175788 - 03/11/08 03:55 PM
Re: bond for pool
[Re: BPHgravity]
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eddiecurrent
New Member
Registered: 03/09/08
Posts: 8
Loc: fl
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the same grid means all brought back to same ground bar or can the pumps be taken off pool panel and the rest be bonded to a ground rod???
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#175789 - 03/11/08 04:39 PM
Re: bond for pool
[Re: eddiecurrent]
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leland
Member
Registered: 08/20/07
Posts: 397
Loc: Lowell area, Ma. USA
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NOT GROUNDED. Just "bonded".
1 solid #8 from point to point to point unbroken. so essentialy they become 1 piece of metal, all of the same potential.
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#176017 - 03/18/08 07:09 AM
Re: bond for pool
[Re: BPHgravity]
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SteveFehr
Member
Registered: 03/19/05
Posts: 923
Loc: Chesapeake, VA
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That, and although water and earth are conductors, they're relatively poor conductors and can still set up a situation where a swimmer becomes a current carrier, which is far more dangerous in a pool than anywhere else due to the reduced skin resistance, nature of the circuit (current is very likely to pass through the heart), difficulty of breaking contact, high potential to drown, and difficulty of rescue as anyone trying to conduct a rescue would be at the same risk.
The equipotential bond ensures there will be no equipotential difference within the pool and pool area, so that even if a short were to occur, the entire pool will be at the same potential and no dangerous amounts of current can flow through the water.
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