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Old 12-09-2011, 08:21 AM   #1
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Home RV 30 AMP Service


How do I install a 30 Amp box to feed my RV at home?
Is it advisable?
Thanks,
Dave

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Old 12-09-2011, 09:20 AM   #2
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Home RV 30 AMP Service


It's easy to do - I have one I put in myself. Just as long as you're familiar with working on electrical circuitry. But unless you intend to run the air conditioner while parked at home, it's not really necessary. A regular 20-amp circuit should be fine.

As you know (or maybe not) there is a special receptacle for 30-amp RV service. It's a TT-30R, which can be hard to find at a big box store. Any decent RV place should have it. You can actually get a lockable, watertight box with the receptacle already installed, which makes installation easier. You'll also need a single-pole 30-amp breaker, which might also be hard to find since most residential 30-amp circuits are 220 volts.

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Old 12-09-2011, 04:57 PM   #3
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Home RV 30 AMP Service


Home Depot



This is GE but they have Square D, Murray and Cutler Hammer.

Use UF 10-2 cable from the breaker to the receptacle, or THWN in conduit.
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Old 12-10-2011, 05:35 PM   #4
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Home RV 30 AMP Service


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Home Depot



This is GE but they have Square D, Murray and Cutler Hammer.

Use UF 10-2 cable from the breaker to the receptacle, or THWN in conduit.
Your Home Depot perhaps. Not the one nearest to me. They had neither of these items.
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Old 12-10-2011, 05:46 PM   #5
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Home RV 30 AMP Service


While they may not have that TT30 receptacle in a weatherproof box, I find it impossible to believe they don't have 30 amp single pole circuit breakers.
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Old 12-10-2011, 06:27 PM   #6
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Home RV 30 AMP Service


Quote:
Originally Posted by rjniles View Post
While they may not have that TT30 receptacle in a weatherproof box, I find it impossible to believe they don't have 30 amp single pole circuit breakers.
Oh, they have tons of them. Why?? I don't know.

A TT30R is about the only place you would need a SP 30A breaker in a home, yet the shelves are full of them. How many TT30's are installed? Not many I assume.
I wonder how many genius aisle monkeys tell people to install a 30A when a 20A is tripping......
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Answers based on the 2008 & 2011 NEC.
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Old 12-10-2011, 06:31 PM   #7
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Home RV 30 AMP Service


Northern Tool also sell that type outlet box far cheaper then Home Depot.
First you have to find out what brand of circut breaker panel you have then look on your breakers for any letters such as AL (means you have alumium wiring) HOM (Home Line Brand breakers).
I will pop one out and take one with me some times if there's any question. Each company makes differant style breakers.
I ust called my local HD and Lowes and both said they had single pole 30 amp. breakers in stock for all the differant brands.
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Old 12-10-2011, 11:37 PM   #8
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Originally Posted by Speedy Petey View Post
Oh, they have tons of them. Why?? I don't know.

A TT30R is about the only place you would need a SP 30A breaker in a home, yet the shelves are full of them. How many TT30's are installed? Not many I assume.
I wonder how many genius aisle monkeys tell people to install a 30A when a 20A is tripping......
Jim, I never thought about why the big boxes have so many 30 amp single pole breakers. You are right there are not a lot of legitimate uses for them.

I thought that the penny under the plug fuse when away with fuse panels, guess not
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Old 12-13-2011, 10:25 AM   #9
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Home RV 30 AMP Service


Mendards sells the 30-amp RV outlet and a few different RV boxes. I found the 30 amp breaker at Lowes. I installed mine so that the kids could run the A/C when they use the camper for sleepovers.

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