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Old 12-13-2012, 12:26 AM   #1
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Default Which wall receptacle?

I'm getting 30A 240V added to my garage this month. Which NEMA wall receptacle should I get installed? I plan to feed my controller via the HD spa panel.

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Old 12-13-2012, 02:05 AM   #2
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Probably an L14-30r. I'd just go with a 14-50r to a spa panel to have proper breakers for all 240v and 120v circuits (just backfeed the 50A GFI breaker.) The only disadvantage is you will need to run 8 or 6 AWG to the outlet and panel instead of 10. If you don't need 120 use L6-30.

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Old 12-13-2012, 03:14 AM   #3
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Quote:
Originally Posted by Malticulous
Probably an L14-30r. I'd just go with a 14-50r to a spa panel to have proper breakers for all 240v and 120v circuits (just backfeed the 50A GFI breaker.) The only disadvantage is you will need to run 8 or 6 AWG to the outlet and panel instead of 10. If you don't need 120 use L6-30.
So, if I want my pump switch to be on the controller, I need to run 50A to the outlet? I was planning to have one 5500W element and pump run by a controller fed by a 30A breaker in the main panel through the 50A spa panel.
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Old 12-13-2012, 04:04 AM   #4
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Well, a 30a should work, but a 50a will allow some leeway for any future changes. The connecters are cheaper too.

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Old 12-13-2012, 04:18 AM   #5
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Quote:
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Well, a 30a should work, but a 50a will allow some leeway for any future changes. The connecters are cheaper too.
Thanks. That makes sense.
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Old 12-13-2012, 04:27 AM   #6
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Yeah, you could add another pump just to the other hot leg. In my Midwest panel there is room for the main 50a GFI, another 240a and two 120a breakers m(if I use the smaller GE breakers.) Mine was sold cheap (15$) with a bad GFI though. I don't use mine in a way that needs it anyway.

http://www.ebay.com/itm/230828101194...84.m1438.l2649

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