I need to hook up a new hot tub that will be roughly 7 ft away from a in ground pool. This tub will sit on the poured concrete that encircles the pool do you think that this tub needs to be tied into the the pool bonding grid. Even if this tub was within the 5 ft barrier the equipment is behind a barrier i.e. the acces panel would this be considerd a permanent barrier
hot tubs and swimming pools
- Thread starter eric
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Re: hot tubs and swimming pools
2005 NEC decreases the horizontal bonding distance to 3 feet so don't worry about it.
If this hot tub is packed and just requires power hookup then the equipment ground should be good enough. It is above ground so technically you do not need to bond to the reinforcing wires in the slab.
If the inspector want it done anyways just do it.
The first time that I wired an indoor pool I also used the forced hot water heating system as a REDUNDANT ground bus. This had 1.25 inch commercial finned tubing going all around the room. Baseboards had twice the capacity needed to heat room at -20 Fahrenheit and I was not wanting to waste the cross section of that fat pipe. The pool walls served as the primary ground bus and I had #8 radials going into all 4 corners. 1 radial hooked up to the pump and heater and the other to the electrical service.
2005 NEC decreases the horizontal bonding distance to 3 feet so don't worry about it.
If this hot tub is packed and just requires power hookup then the equipment ground should be good enough. It is above ground so technically you do not need to bond to the reinforcing wires in the slab.
If the inspector want it done anyways just do it.
The first time that I wired an indoor pool I also used the forced hot water heating system as a REDUNDANT ground bus. This had 1.25 inch commercial finned tubing going all around the room. Baseboards had twice the capacity needed to heat room at -20 Fahrenheit and I was not wanting to waste the cross section of that fat pipe. The pool walls served as the primary ground bus and I had #8 radials going into all 4 corners. 1 radial hooked up to the pump and heater and the other to the electrical service.
pierre
Senior Member
- Location
- Westchester County, New York
Re: hot tubs and swimming pools
The '05 has not reduced the 5 foot bonding requirement for pools .26(B)(5), there is an additional requirment for nonmetallic pools which has the 3 foot requirement for paved walking surfaces .26(C)
Bonding that new hot tub to the pool bond is a very good idea, if it shares the pool equipment,it will be required to be bonded.
680.26
FPN: This section does not require that the 8 AWG or larger solid copper bonding conductor be estended or attached to any remote panelboard, service equipment, or any electrode.
Mc
I suggest you reread this article again.
[ March 24, 2005, 10:50 AM: Message edited by: pierre ]
The '05 has not reduced the 5 foot bonding requirement for pools .26(B)(5), there is an additional requirment for nonmetallic pools which has the 3 foot requirement for paved walking surfaces .26(C)
Bonding that new hot tub to the pool bond is a very good idea, if it shares the pool equipment,it will be required to be bonded.
680.26
FPN: This section does not require that the 8 AWG or larger solid copper bonding conductor be estended or attached to any remote panelboard, service equipment, or any electrode.
Mc
I suggest you reread this article again.
[ March 24, 2005, 10:50 AM: Message edited by: pierre ]
shortcircuit2
Senior Member
- Location
- South of Bawstin
Re: hot tubs and swimming pools
A hot tub installed outdoors (680.42) according to the 2005 NEC is subject to the bonding requirements of 680.26 "Equipotential Bonding". The paved surface surrounding the hot tub shall have this EBG established under it and shall extend 3feet horizontally from the inside wall of the tub.
I would not consider the panel on a hot tub covering the hot tub equipment that removes with a few screws a "permanent barrier" in consideration of bonding the hot tub equipment to the pool bonding grid.
Now, under the 2002 NEC, that 7ft of seperation that you describe would be beyond the 5ft bonding zone and if no parts of the pool or hot tub are connected to each other, then bonding of one to the other is not required.
But, under the 2005 NEC, with only 7ft of seperation and with a paved surface around the pool and around the hot tub, the bonding grid around each would be within 1ft of the other and would require an equipotential bonding grid integral to both.
shortcircuit2
A hot tub installed outdoors (680.42) according to the 2005 NEC is subject to the bonding requirements of 680.26 "Equipotential Bonding". The paved surface surrounding the hot tub shall have this EBG established under it and shall extend 3feet horizontally from the inside wall of the tub.
I would not consider the panel on a hot tub covering the hot tub equipment that removes with a few screws a "permanent barrier" in consideration of bonding the hot tub equipment to the pool bonding grid.
Now, under the 2002 NEC, that 7ft of seperation that you describe would be beyond the 5ft bonding zone and if no parts of the pool or hot tub are connected to each other, then bonding of one to the other is not required.
But, under the 2005 NEC, with only 7ft of seperation and with a paved surface around the pool and around the hot tub, the bonding grid around each would be within 1ft of the other and would require an equipotential bonding grid integral to both.
shortcircuit2
jwelectric
Senior Member
- Location
- North Carolina
Re: hot tubs and swimming pools
Mc5w please help me find this new rule in the "05 code
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