Copper bonding grid
- Thread starter RESI
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Welcome to the Forum.
We are bunch of teddy bears..never hostile
Here is a source for bonding grids.. not a recommendation, just a source
http://b2b.bel-aqua.com/?page=custo.../customerpages/Equipotential_Bonding_Grid.htm
however, I don't understand why you would need it to comply with 680.26. A properly installed #8 Cu should do the trick.
We are bunch of teddy bears..never hostile
Here is a source for bonding grids.. not a recommendation, just a source
http://b2b.bel-aqua.com/?page=custo.../customerpages/Equipotential_Bonding_Grid.htm
however, I don't understand why you would need it to comply with 680.26. A properly installed #8 Cu should do the trick.
Copper Bonding grid
Copper Bonding grid
Here is an exerpt from 680.26, NEC 2005
(2) Perimeter Surfaces. An equipotential bonding grid shall extend 3 ft horizontally beyond the inside walls of a pool, outdoor spa, or outdoor hot tub, including unpaved, paved, and poured concrete surfaces. The bonding grid shall comply with (a) or (b) and be attached to the conductive pool reinforcing steel at a minimum of four points uniformly spaced around the perimeter of the walls of a pool, outdoor spa, or outdoor hot tub.
It says grid several times. The grid is #8 solid copper and welded at each crossing. It seems that this grid material is the easiest way to go. Thanks
Copper Bonding grid
Here is an exerpt from 680.26, NEC 2005
(2) Perimeter Surfaces. An equipotential bonding grid shall extend 3 ft horizontally beyond the inside walls of a pool, outdoor spa, or outdoor hot tub, including unpaved, paved, and poured concrete surfaces. The bonding grid shall comply with (a) or (b) and be attached to the conductive pool reinforcing steel at a minimum of four points uniformly spaced around the perimeter of the walls of a pool, outdoor spa, or outdoor hot tub.
It says grid several times. The grid is #8 solid copper and welded at each crossing. It seems that this grid material is the easiest way to go. Thanks
Doug S.
Senior Member
- Location
- West Michigan
NEC 2005 said:
So the grid is an option... probably an expensive one.
Correct me if I'm wrong?
Doug S.
- Location
- Chapel Hill, NC
- Occupation
- Retired Electrical Contractor
I believe the 2005 required the grid which you can make with copper wire but then you need a gazillion split bolts to connect it all together.
Section 680.26 is very different in the 2008.
Section 680.26 is very different in the 2008.
Resi, The area I work never did adopt the 2005, so perhaps someone more familiar with '05 will direct us, but I wanted to make sure you were aware of a TIA changing 680.26:http://iaei-western.org/Files/Code/2005_TIA-92.pdf
Although that TIA does not address perimeter surfaces it does address the grid.
I am told by others that under the '05 most pool installers elected to surround the pool with 1 run of re-bar as opposed to the alternate grid.
Hopefully, someone more familiar with '05 will add to this.
Although that TIA does not address perimeter surfaces it does address the grid.
I am told by others that under the '05 most pool installers elected to surround the pool with 1 run of re-bar as opposed to the alternate grid.
Hopefully, someone more familiar with '05 will add to this.
- Location
- Massachusetts
Gus, I can not get the link to work.
ibew501ed
Senior Member
- Location
- danbury ct/work in white plains ny
radiopet
Senior Member
- Location
- Spotsylvania, VA
RESI,
I think you are working with the 2005 NEC in your area ( as I am in VA also ) but the reference you posted is from the 2008 NEC.
Here is a suggestion for you. Contact your local building official and ask them if you install the pool EQP in accordance with the 2008 NEC even if under the 2005 NEC. Will they accept the application as meeting the intent.
I think what you will find is that many will even if the NEC 2008 has not be absorbed into the system through the acceptable of the 2009 IBC or IRC.
I think you are working with the 2005 NEC in your area ( as I am in VA also ) but the reference you posted is from the 2008 NEC.
Here is a suggestion for you. Contact your local building official and ask them if you install the pool EQP in accordance with the 2008 NEC even if under the 2005 NEC. Will they accept the application as meeting the intent.
I think what you will find is that many will even if the NEC 2008 has not be absorbed into the system through the acceptable of the 2009 IBC or IRC.
DougS- I found a company that sells the grid material. It comes in 2 0r 3 foot widths by 100 feet long for about $500.00. With tax added and no markup, it comes out to about $5.25 per foot. It also comes with stakes and connectors (splitbolts).
Thanks to all who replied to my thread. Two local electrical inspectors said a EQB grid is required for a spa/hot tub installed outside.
I did read the link to the TIA for article 680.26, and to me, it refers to pools, not spas installed outside on the ground.
Thanks guys and have a blessed day.
Thanks to all who replied to my thread. Two local electrical inspectors said a EQB grid is required for a spa/hot tub installed outside.
I did read the link to the TIA for article 680.26, and to me, it refers to pools, not spas installed outside on the ground.
Thanks guys and have a blessed day.
JohnJ0906
Senior Member
- Location
- Baltimore, MD
680.42 requires hot tubs installed outside to comply with parts I and II of 680, for all intents and purposes it is treated as a swimming pool.
Same to you.
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