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Old 11-07-2010, 04:13 PM   #1
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30amp 14-30 to TT-30Rv

Hey everyone,

This is my first post. I have a 2005 21ss and I paid a "handyman" to wire a 30amp RV outlet from my breaker box in the garage. Well it turns out the he hooked up a 30amp 14-30 4 wire adapter 125/240v which does not fit my 30 amp RV plug. I figured all I had to do is go to Home Depot and buy a TT-30amp outlet and hook it up.

Well being the novice that I am, I realized the the TT-30 plug only has 3 wire connections. I read in other forums that I can just tape up the red wire and use the black as the hot, white and bare wire as ground and "presto" ready to hook up the Roo. Is this OK to do??

Any assistance would be greatly appreciated.

Thanks
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Old 11-07-2010, 04:57 PM   #2
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Remember that the 30 amp is NOT 240 its just 110. Heres a link you might find helpful.. RV Electric
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Old 11-07-2010, 06:48 PM   #3
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You can get an adapter and plug into a standard 15 amp plug, everything will work just fine,(just don't get too power happy) except don't try to run your A/C. The startup draw is high, and your wire will get pretty hot. Try to make your extension as short as you can, to minimize length current resistance. Randy
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Old 11-07-2010, 08:38 PM   #4
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You may want make sure your wire is sized right #10 or larger & breaker is not over 30 amp. Check Handyman wiring.
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Old 11-07-2010, 09:24 PM   #5
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I read in one forum that the contractor a person hired wired his RV outlet as a 220V 30 amp.

If you do not know how to check the voltage and have no electircal experience, may I kindly suggest that you hire a qualified electrician to check the work of this handy man and correct whatever needs to be done ?

A fried convertor, wires can get VERY expensive very quickly.
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Old 11-07-2010, 09:46 PM   #6
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you better get the handyman back to rework it. You probably have several things that need to be changed. The 30 amp breaker is likely a 220 (double) breaker. If there are two breakers with the switches tied together you have a 220 breaker. Just my opinion but you should not change the plug to a 30 amp 110 without disconnecting the red wire in the panel and changing to a single 30 breaker.

I just did one myself two weeks ago and it is working fine. If this outlet is outside you should get an "in-service" cover (Home Depot has one with a big clear dome on it) You need the parts shown at the top of the page here.

RV Electric

If you are doing a short run from the panel to the plug a 10 gauge wire is good but if you have a long run (over 25 feet or so) you better use 8 or even 6 gauge wire.

Quote:
Originally Posted by lsant777 View Post
Hey everyone,

This is my first post. I have a 2005 21ss and I paid a "handyman" to wire a 30amp RV outlet from my breaker box in the garage. Well it turns out the he hooked up a 30amp 14-30 4 wire adapter 125/240v which does not fit my 30 amp RV plug. I figured all I had to do is go to Home Depot and buy a TT-30amp outlet and hook it up.

Well being the novice that I am, I realized the the TT-30 plug only has 3 wire connections. I read in other forums that I can just tape up the red wire and use the black as the hot, white and bare wire as ground and "presto" ready to hook up the Roo. Is this OK to do??

Any assistance would be greatly appreciated.

Thanks
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Old 11-07-2010, 10:31 PM   #7
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I had a pop up that I used an adapter to plug in an outside plug on my house and it work fine. I never used the a/c as I thought it might draw to much. Well I be able to use the same adapter in the same plug on my TT?
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Old 11-08-2010, 09:10 AM   #8
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I read in other forums that I can just tape up the red wire and use the black as the hot, white and bare wire as ground
While you could actually do this, I'd recommend you changing the 30 amp double pole breaker out to a 30 amp single pole breaker in the panel. If you decide not to do that, at least unhook the hot leg you're not using from the breaker.

What you'll wind up with is the black as hot, the white as neutral & the bare as ground. 120 volt 30 amp circuit.
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Old 11-08-2010, 09:32 AM   #9
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The only concern I have in using one side of the double breaker is whether the breaker would trip under load with the extra breaker attached to it. The extra "mechanical" resistance of the other switch might delay the loaded breaker from tripping when it should. Not sure, just something to think about.

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While you could actually do this, I'd recommend you changing the 30 amp double pole breaker out to a 30 amp single pole breaker in the panel. If you decide not to do that, at least unhook the hot leg you're not using from the breaker.

What you'll wind up with is the black as hot, the white as neutral & the bare as ground. 120 volt 30 amp circuit.
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Old 11-08-2010, 11:53 AM   #10
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Bout time to get that electrician back to straighten out his boo-boo.
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Old 11-08-2010, 01:08 PM   #11
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Ganged breakers are designed to trip all poles even if only one sees an overload. However, I agree that the op SHOULD change the double pole out to a single pole.

Mtnguy -- I completely agree that the hired guy should be the one fixing this. If he was specifically told it was an RV outlet he should have researched found out that is was 120 volt single phase.
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Old 11-08-2010, 10:16 PM   #12
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Bout time to get that electrician back to straighten out his boo-boo.

I agree with you, but don't get a handyman back. What I am thing about is did he correctly wire the grounding or is it grounded, is the polarity correct, wire sizing & 120 volts ???????? If he can't get the outlet right. Like I have posted before, The RV panel Are isolated grounds & neutrals. This if miss wire can kill someone or smoke a RV.

There come a time cost saving short cut may just come back to bit you in the butt.
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Old 11-09-2010, 06:22 AM   #13
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I'm with Camprat. Get a licensed, bonded, and insured electrician to check this out. If he makes a mistake and puts 220 VAC into your camper, he's covered. If he uses the wrong breaker and your house catches fire, he's covered. There are to many variables here. I used to hear about those type boo boos all the time when I was doing home service work.
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Old 11-09-2010, 10:46 PM   #14
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Sounds to me like the handyman may just have not been aware that an RV 30 amp plug is different from the more common plug used for dryers.
If that was the case it will be easy to fix.

Mike
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Old 11-10-2010, 08:56 AM   #15
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Quote:
Originally Posted by camprat View Post
I agree with you, but don't get a handyman back. What I am thing about is did he correctly wire the grounding or is it grounded, is the polarity correct, wire sizing & 120 volts ???????? If he can't get the outlet right. Like I have posted before, The RV panel Are isolated grounds & neutrals. This if miss wire can kill someone or smoke a RV.

There come a time cost saving short cut may just come back to bit you in the butt.
You are so correct. I missed the handyman part in the 1st post.....I thought it was an electrician. Get a licensed electrician, and bill the handyman.
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Old 11-15-2010, 11:28 PM   #16
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Thanks for all of the input guys...just to play it safe...I am going to give the electrician a call back and tell him to fix it.
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