Original > Hot Tub Forum

Sub Panel or No Sub Panel

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dazedandconfused:
The main panel is in my garage.  The spa is outside right behind the garage.  The distance is 15 feet +/-.

I am considering 2 options.  Anybody want to weigh in with pros/cons of each option?

Option 1)  Install a 60A GFI breaker in the main panel and run romex thru the garage wall to the spa directly.

Option 2) Install a 60A non-GFI breaker in the main and run romex thru the garage wall to a sub panel with a 60A GFI breaker and then run romex to the spa.

Thanks

doodoo:
I prefer the second option. Reason being is that you don't need to be there if the service tech needs to work on your tub.  I know that the 1st option is a little cheaper in that you don't need to buy a second breaker but a breaker is fairly cheap in comparison to you taking time off from work.

doodoo:
Now you may prefer to take time off from work, so in that case every reason to get to your tub is well..........great.  ;D :D ;)

Gary:
Code states you have to have a means of disconnect within sight of the spa (not closer than five feet).

Check your local codes!!! If you do not if and when you try to sell your house it be a pain in the #@@


Gary

Electro:
dazedand confused,

As Gary said, it is illegal to install as you suggested.  It is required that a disconnect be within sight, which in addition to the obvious sight thing also means it has to be from 5 to 30 feet (special 30 ft instead of the code's 50 ft, because of the UL standard) away.  It cannot be thru a wall or window.  You have to be able to walk up to the disconnect immediately from the hot tub, not go around or inside.

Also, you may not legally run Romex outside.  Some folks do it, but it violates the NEC, as the manufacturers cannot list Romex for this application.  You'll notice that the spa instructions specifically say to use THHN or equivalent wire.  Also, in an outside application, you must use some type of wire protection, such as conduit.

If you do not comply with these rules, which are part of the NEC and directly referenced in the manufacturer's listing approval and included in their instructions for installation, their warranty will be void.  Take a look.  It specifically says so.  Also, your home insurer can void your homeowner insurance for any damages related to the hot tub and associated wiring.

Electro

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