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#89189 - 09/07/04 01:30 PM Spa/Hot Tub Disco Reqs
mustangelectric Offline
Member
Registered: 02/08/04
Posts: 494
Loc: Bentonville, AR
Hi,
Is there any problem with locating the required disconnect for a spa/hot tub by using a 100A Load Center mounted on an adjacent wall? The load center will serve the spa/hot tub and a new underground pool.
key points to watch are, #8 solid to any copper piping to pump housing/case, required outlet no closer than 5' no further than 10'..gfi protection for everything..

thanks for any comments...
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#89190 - 09/09/04 12:39 PM Re: Spa/Hot Tub Disco Reqs
electricman2 Offline
Member
Registered: 11/09/03
Posts: 269
Loc: Thomasville, NC USA
As long as the conditions in 680.12 are met, I dont see a problem.
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#89191 - 09/09/04 03:56 PM Re: Spa/Hot Tub Disco Reqs
mustangelectric Offline
Member
Registered: 02/08/04
Posts: 494
Loc: Bentonville, AR
if you mean that the grnd wire has to be #10 or larger or that the disconnect is a minimum of 5 feet from the inside wall of the spa..then i think i am ok...insulated ground too..

[This message has been edited by mustangelectric (edited 09-09-2004).]
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#89192 - 09/14/04 07:08 PM Re: Spa/Hot Tub Disco Reqs
harold endean Offline
Member
Registered: 02/16/02
Posts: 2233
Loc: Boonton, NJ
Is the disconnect within eye sight of the motor? The reason for that question is that sometimes the motor is on 1 side of the spa and the discoonect is on the other side. Just a thought.
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#89193 - 09/15/04 05:31 AM Re: Spa/Hot Tub Disco Reqs
mustangelectric Offline
Member
Registered: 02/08/04
Posts: 494
Loc: Bentonville, AR
harold,
the disconnect is a sub panel 5 feet from the inside wall. i am not aware of any rule that says you have to see the motor from any particular position.

the spa has not even arrived yet.

-regards

mustang
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#89194 - 09/15/04 09:45 AM Re: Spa/Hot Tub Disco Reqs
gfretwell Offline


Member
Registered: 07/20/04
Posts: 9039
Loc: Estero,Fl,usa
"Within sight" always starts a pizzing match. Some say it means you have to be able to see the switch handle from the working space of the protected equipment. Others say you just need to be able to see someone who is standing in front of the disconnect or approaching it.
I tend to be in the latter camp but I am particular that you can clearly see if someone is in a position to light you up.
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#89195 - 09/15/04 09:52 AM Re: Spa/Hot Tub Disco Reqs
royta Offline
Member
Registered: 09/03/04
Posts: 138
Loc: CA
Is that the reason behind "within sight"? As long as the tech is practicing proper lock out/tag out procedures, it's pretty much guaranteed he/she will never get bit. I figured it was so the tech could easily shut off power to the equipment without searching for the correct OCPD in the panel.
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#89196 - 09/15/04 10:11 AM Re: Spa/Hot Tub Disco Reqs
mustangelectric Offline
Member
Registered: 02/08/04
Posts: 494
Loc: Bentonville, AR
Hi,
The disconnect serves several purposes. The location requirement is for MAINTENANCE of the equipment.

I do not think anyone needs to be operating off the IF I CAN SEE SOMEONE OPERATE THE SWITCH method. If you do we may not be hearing from you someday because you sneezed or turned your head or did some work etc.

The disconnect needs to be within sight so that you can SEE BOTH THE EQUIPMENT and the SWITCH.

-regards

MUSTANG



[This message has been edited by mustangelectric (edited 09-15-2004).]
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#89197 - 09/15/04 12:13 PM Re: Spa/Hot Tub Disco Reqs
gfretwell Offline


Member
Registered: 07/20/04
Posts: 9039
Loc: Estero,Fl,usa
In a residential setting, "lockout/tagout" is not very reliable. That is why we want to see a disconnect within sight. Usually the problem is it is too close (no working space), not too far away.
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#89198 - 09/19/04 01:27 PM Re: Spa/Hot Tub Disco Reqs
harold endean Offline
Member
Registered: 02/16/02
Posts: 2233
Loc: Boonton, NJ
Mustang,

If the spa is in a commercial location the "within sight" rule would fall under 680.40. If this is a dwelling wouldn't a motor disconnect fall under 430-IX? I believe that under the 2002 NEC all motors must have a disconnect and within sight. Now lots of spas/hot tubs have a switch or circuit breaker mounted right inside the tub by the motor and that should count as the disconnect.
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