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Old 08-03-2012, 03:56 PM   #11
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Ok I will still need my welder plug in so how about my dryer plug in which looks like this, possible to get or make an adapter?
You can see I am grasping here to get it done easy as i like all things plug and play....

This I think is 220v and 30 amps ? 110v for dryer motor and 220v for heating element..
Yes, you can use that, you'll just need to make your own dogbone adapter. You just won't connect one of the lines....while connecting the ground, neutral, and one line. Lowe's should have everything you need.
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Old 08-03-2012, 04:07 PM   #12
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Here is a great little pdf file that hopefully can be made a sticky somewhere by the administrators. It is a handout to electricians, and everyone else on how to correctly wire for a 30 amp rv outlet. We have had several members as of late who have had family and professionals incorrectly wire for their trailers, with ensuing damage.

I wish all RV dealers would include this every time they sell a trailer with 30 amp service.

http://www.myrv.us/Imgs/PDF/30-amp%20Service.pdf
Copied to the FAQ and "stuck"
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Old 08-03-2012, 05:03 PM   #13
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If you use the plug that's pictured above, which is 30-amp at 240-volts, not 50-amp, and then you use the mating plug for that one, you will be fine, BUT ONLY AT HOME! You won't be able to use your home-made adapter at any campground. You lose some versatility that way. Besides, a 30-amp plug for your welder might not be adaquate.

If you're going to have any flexibility in it's use, go back and re-read post #9 above.

If you also simply buy the RV 50-amp to 30-amp adapter, it will be less money, too, as the plugs and wire could cost you more, depending on their quality, and this is an area in which I wouldn't skimp.

And, if you build your own, you run the risk of a mis-wire and subsequent high-tragedy. You DID say that you weren't electrically-savvy.

BTW, an added bonus:

You are also then able to weld at most RV spots!

More seriously, you would be able to buy primary extension cords for your welder at any good RV supplier.

Pop
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Old 08-03-2012, 06:30 PM   #14
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Put in the proper RV-style 240-volt receptacle in place of your current welder plug. It's a NEMA 14-50R. Accept no substitutes.

MAKE SURE you tell the electrician you want all four wires in place, even if you have to pull new wires into the box from the panel! Tell him or her that it HAS to be a full, correct, 50-amp service. That includes a ganged 50-amp double breaker

L1, L2, neutral, and ground. ALL FOUR!!!

Then, buy the RV adapter from post #2 above to get your 30-amp RV service.

Then, replace your welder's plug to match the receptacle.

Wha-laaaa!

Since I haven't used my welder in a long time, that last part I have yet to accomplish, but someday, when I get a Round Tuit.......

Pop
This gets my vote..! IMHO this would be the smart way to go.
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Old 08-03-2012, 06:35 PM   #15
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BOTH your welder and dryer outlets ARE 220V the adapter shown by wmtire is to reduce 50A 110V to 30A 110V only, it will in no way reduce 220V to 110V.
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Old 08-03-2012, 07:02 PM   #16
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BOTH your welder and dryer outlets ARE 220V the adapter shown by wmtire is to reduce 50A 110V to 30A 110V only, it will in no way reduce 220V to 110V.
Not technically true. A "50amp RV service to 30 amp RV service" pigtail will take only one leg of a properly wired 220 outlet (with Neutral) and deliver 110 VAC to the camper's 30 amp service panel.
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Old 08-03-2012, 07:03 PM   #17
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BOTH your welder and dryer outlets ARE 220V the adapter shown by wmtire is to reduce 50A 110V to 30A 110V only, it will in no way reduce 220V to 110V.
No.....

If he uses the NEMA 14-50R as described above (which, yes, IS a 240-volt plug) and uses the adapter shown in Post #2, he will get his 120-volts, as the adapter picks up only one leg.

EDIT: Guess Herc was a-postin ' whilst I was a-typin'!

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Old 08-03-2012, 07:56 PM   #18
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Either one of these adapters works by just terminating one of the 110 hot lines coming from your 220 volt outlet....so you have just one 110 volt hot line to power your camper, as it should be.
Lindy, that is how these 50 amp to 30 amp adapters work, by terminating either the L1 or L2 lines internally inside the adapter. If you took apart the adapter, you would see that one of the 110v hot lines is just not connected to anything (wire) past the terminal end (spade).

So, you just have your ground, neutral, and 1 (one) hot line connecting to your 30 amp outlet.....which makes it 110 v and not 220 v.

You can easily make your own adapter, but need to be real confident in your electrical ability. As SpringerPop has correctly pointed out, you can just as easily mess it up too.

I was going to post a wiring diagram, to make a dog bone adapter for the dryer outlet and using it for the 30 amp RV service. However, I would hate to be responsible for someone tackling the project and maybe messing it up.
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Old 08-03-2012, 08:04 PM   #19
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I was going to post a wiring diagram, to make a dog bone adapter for the dryer outlet and using it for the 30 amp RV service. However, I would hate to be responsible for someone tackling the project and maybe messing it up.
Yea, the O/P did write in Post #1, "my NO knowledge of electrical wiring".

Good we take that into consideration.

Pop
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Old 08-03-2012, 09:10 PM   #20
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Yea, the O/P did write in Post #1, "my NO knowledge of electrical wiring".

Good we take that into consideration.

Pop
Agreed.

Tugger, since you like plug-n-play and are going to have an electrician over anyway......why don't you just install a 30 amp outlet box (with breaker and outlet pre-installed in it) and go first class. I don't know if ya have Home Depots or such in Canada, but I'm sure you can get these off Amazon or other electrical supply houses in your area. I've even seen them at Menard's. They are not expensive.

http://www.amazon.com/Connecticut-El...+rv+receptacle

Connecticut Electric 30 Amp RV Power Outlet With 30A 1P Breaker CESMPSC13HR at The Home Depot

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