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Old 05-31-2009, 11:27 PM   #1
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Default Swimming pool bonding

Hi,

I am installing a new vinyl liner inground pool i am an electrician i work for an offshore drilling contractor i have never done a pool I have read the code and i think i have got it except where the solid #8 awg wire that attaches to the wire mesh in the concrete comes out of the concrete and goes to the pump motor is this wire directly buried or does it need to be in conduit?

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Old 05-31-2009, 11:38 PM   #2
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Yup. Bare or green. Either is fine. No conduit.

Be sure to hit EVERYTHING metal associated with the pool and within 5'.
Ladder cups, railing cups, coping, walls, light niche, diving board mount, motors, heaters, filters, salt generators, etc.
Oh, and don't forget the wonderful bonding of the water itself if you are under the 2008 NEC.

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Old 05-31-2009, 11:46 PM   #3
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ok if i bury the solid bare #8 from the pool to the motor how deep does it have to be also what about a plastic cased 220vac 2p timer that will be 20' away from the pool but will be for the pump motor circuit does it have to bond somehow and water bonding i will not have a light but i thought that the ladders and hanrails bonded the water?
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Old 06-01-2009, 07:17 AM   #4
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You can use something like these to bond the water. I usually just lay the bond wire in a small trench just below the ground. The timer won't need to be bonded. Just remember, the wiring outside the house will need to have an insulated ground no smaller than #12 so, don't use any UF.
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Old 06-01-2009, 10:51 AM   #5
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Never seem a pool water bond cupling before.. and had a pool for 40 yrs.
Think I will continue to trust my GFI. BTW No lights in the pool just a 100W halogen on the house (also gfi) about 30 ft away and high.
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Old 06-01-2009, 12:12 PM   #6
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if you have an aluminum ladder,you are required to bond it.
By bonding the aluminum ladder you are also bonding the pool water
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Old 06-01-2009, 03:33 PM   #7
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You can also bond the water of a pool with this device called Bond Safe 680

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Old 06-01-2009, 08:45 PM   #8
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bond the water. the most absurd and unwarranted bunch of crap
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Old 06-01-2009, 09:12 PM   #9
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You can also bond the water of a pool with this device called Bond Safe 680

This one is pretty cool.
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Old 06-01-2009, 09:14 PM   #10
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bond the water. the most absurd and unwarranted bunch of crap
I agree but that is what it says in 680.26 (c) in the 2008.
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Old 06-01-2009, 09:31 PM   #11
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The Bond Safe dude needs to change the lug on that skimmer body and take a new pic. That AL one is so illegal it's not funny. ...oh wait
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Old 06-01-2009, 09:33 PM   #12
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we bond the water to put it at the same potential as what your stepping on when you get out of the pool. they think if the surrounding area is energized, or the pool water is energized you will feel some tingles when you step out. supposedly they had stray voltage problems with the POCO somewhere out west or south west or something like that
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Old 06-01-2009, 09:37 PM   #13
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..., or the pool water is energized you will feel some tingles when you step out.
Funny thing is the "water bond" has nothing to do with something being energized. That is what grounding is for, and you can't ground water.
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Old 06-01-2009, 09:40 PM   #14
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Funny thing is the "water bond" has nothing to do with something being energized. That is what grounding is for, and you can't ground water.
you bond everything together to put it at the same potential. the water can be energized and so will the surrounding area of the pool. kind of like the bird on the wire effect.
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Old 06-03-2009, 11:55 AM   #15
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I'm thinking that the potential of the water depends on how far away from the bond you are and where the voltage is entering the water. After all water is not all that good of a conductor.. In my mind the GFI will remove the need for bonding the water..
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Old 06-06-2009, 01:11 PM   #16
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I'm thinking that the potential of the water depends on how far away from the bond you are and where the voltage is entering the water. After all water is not all that good of a conductor.. In my mind the GFI will remove the need for bonding the water..

Actually pool water, by it nature of being chemically treated, is a very good conductor.
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Old 06-07-2009, 12:36 AM   #17
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you bond everything together to put it at the same potential. the water can be energized and so will the surrounding area of the pool. kind of like the bird on the wire effect.

just more potential for me to get my butt cooked in the pool.
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Old 06-07-2009, 12:56 AM   #18
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You can also bond the water of a pool with this device called Bond Safe 680


It just might work given that he is on a oil rig in the middle of the ocean, and he uses the sea water to fill the pool?

Just one question how does one go about installing a pool "in-ground" on a oil rig?

Ok on a more serious note, just to note you don't have to take an equal potential bonding conductor back to the panel serving the pool.
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Old 06-08-2009, 08:39 PM   #19
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Check with your local municpality requirements. I wire 12 - 15 pools a month and it varies greatly. Some code enforcers require the bonding wire to be visible from the pool to the ground rod at your equipment pad. If it is buried, I have been made to go back an show the inspector that the wire at the rod has continuity with the wire from the pool, whether it be gunite or liner. Also, a prvious post brought up that the handrail cup must be bonded as well.
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Old 06-08-2009, 08:42 PM   #20
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Check with your local municpality requirements. I wire 12 - 15 pools a month and it varies greatly. Some code enforcers require the bonding wire to be visible from the pool to the ground rod at your equipment pad. If it is buried, I have been made to go back an show the inspector that the wire at the rod has continuity with the wire from the pool, whether it be gunite or liner. Also, a prvious post brought up that the handrail cup must be bonded as well.
You do not need a bonding wire to a ground rod for a pool . The Epb does not connect to anything but rather just keeps all the metal parts of the pool at the same potential.

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