Equipotential bond for swimming pool

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gcaviness

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I know that a an equipotential bond in now required around a swimming pool per the 2005 NEC. My question is: Does the rebar have to be raised up off the ground on chairs or concrete bricks in the same manner as typical rebar in concrete pours or can the rebar (equipotential bond) just be laid directly on the ground?

Gary
 
This particular issue is a building code issue and not within the consideration of the NEC as it is with concrete-encased electrodes. The equipotential bonding is not dependent on this issue.
 
Thanks for the reply Bryan. I agree with your thinking on that. In this JHA we are requiring the chairs or concrete bricks to raise the rebar for that reason.

I would like to hear from some of you electricians in the field on this issue also. Are the local building/electrical inspectors requiring you folks to raise the rebar or are they letting you lay it right on the ground? ( Of course this pertains to equipotential bonding around a swimming pool only).

Gary, CBI, CEI, ICC, Plans Examiner
 
Gary,
The equipotential grid will work as long as the concrete is touching the rebar. If it is layed on the ground and the concrete poured over the rebar, at least half of the bar will be in direct contact with the concrete and provide the equal potential grid. I see no reason to require that the rebar be raised above the gorund. Done this will not provide any structrual strength, but will serve the electrical purpose.
Don
 
don_resqcapt19 said:
I see no reason to require that the rebar be raised above the gorund.
Click to expand...

When rebar is installed for structural purposes, building codes require it be encased in concrete for corrosion protection.
 
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