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Old 11-05-2015, 11:54 AM   #15
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I am with Pro on this. I am a believer of the KISS principal. You have a heavy 50 AMP cord that works well for you. If you get the adapter pictured in Pro's post you can hook your trailer up to a 30 AMP service with little work. You will have to carry the adapter in your coach but that will be far less expensive and far lighter than having to carry an additional 30 AMP service cord. A simple solution to your problem.
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Old 11-05-2015, 11:59 AM   #16
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What you are asking is to connect a 30 amp 120 V supply to a 50 amp 240 V load. That is not a good thing. Only half of the circuits in the RV will be powered. If you have any 240V loads in the RV you could end up causing damage to those loads. This would be doable but you really need to understand the many limitations. Strongly recommend that you do NOT attempt this.

If you are really interested in plugging your 30 amp 120V RV into 50 amp 240 V shore power this is very common and the adapter cord is readily available at Camping World and maybe even at Walmart. What you need is 50 A 240 V male to 30 A 120V Female.

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Old 11-05-2015, 01:02 PM   #17
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Looks like the extension cord may be the way to go. Having second thoughts of an adapter into another adapter. In fact, the 50 amp female to 30 amp male 25 ft cord may be an even better idea. Hopefully I can return the adapter I purchased.


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Old 11-05-2015, 01:06 PM   #18
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Originally Posted by gr.austin View Post
What you are asking is to connect a 30 amp 120 V supply to a 50 amp 240 V load. That is not a good thing. Only half of the circuits in the RV will be powered. If you have any 240V loads in the RV you could end up causing damage to those loads. This would be doable but you really need to understand the many limitations. Strongly recommend that you do NOT attempt this.

If you are really interested in plugging your 30 amp 120V RV into 50 amp 240 V shore power this is very common and the adapter cord is readily available at Camping World and maybe even at Walmart. What you need is 50 A 240 V male to 30 A 120V Female.

Happy Camping
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Are the fifty amp rv plugs one twenty or two forty? Really don't know.
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Old 11-05-2015, 01:42 PM   #19
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Gr.,what I. Am trying to do is no different than using a 50amp cord connected to 30amp adapter to a 30 amp power supply. I am well aware that I can only run one AC at a time when doing so. Since I already have a 30amp cord from a previously wrecked TT, I thought I would save myself from having to deal with the 50 amp cord when camped at a 30amp only site. I keep my 50 amp cord in a plastic storage box in my truck while in transit. The barely over 6 lb 30amp cord would sit in the same box and be much easer deal with when setting my and taking down the campsite.


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Old 11-05-2015, 02:45 PM   #20
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Is there 240 volt equipment on airstreams? Just an old foggy, didn't know there were any 240 volt airstreams.
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Old 11-05-2015, 03:00 PM   #21
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If the trailer is 50Amp 220 Volt, who delivered the 30Amp 120 Volt cable with the trailer. Unless I am mistaken most of the 50A adaptors only pass 120 volt. Wouldn't want you to fry stuff in your new trailer.
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Old 11-05-2015, 03:03 PM   #22
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There are no 220 volt trailers or motorhomes on North America.... The only exceptions are food trailers.
50 amp service is just twin 120 legs with a common/ bonded neutral.
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Old 11-05-2015, 03:05 PM   #23
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Originally Posted by Pat Cassity View Post
Since I already have a 30amp cord from a previously wrecked TT, I thought I would save myself from having to deal with the 50 amp cord when camped at a 30amp only site. I keep my 50 amp cord in a plastic storage box in my truck while in transit. The barely over 6 lb 30amp cord would sit in the same box and be much easier deal with when setting my and taking down the campsite.
Meaning no offense, but if you had said it that way from the beginning there might have been a bit less confusion. Certainly I would have been less confused!
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Old 11-05-2015, 03:05 PM   #24
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I think you are asking if you can attach a 50amp end on a 30amp cordset?

If this correct you'll need a jumper between l1 and l2 so everything "can" work.

My trailers are wired for 50 amp service but I have the ability to use a 30 amp cord without an adapter.
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Old 11-05-2015, 03:07 PM   #25
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Chart

There are charts that show the configurations. It looks like usually the 220 configuration won't fit into a 110. Unless no habla has taken the pliers and bent it so it will, and kazapppp goes all your construction light bulbs...saw that one, and they did it again the next week.



https://www.google.com/search?q=elec...AcRnpDkWMjg%3D
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Old 11-05-2015, 05:44 PM   #26
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What you can do is put a short piece of #10 stranded wire between the black and red terminals inside the 50a connection. There is room to do this. The terminals on the 50a end are sized to take #6 wire, so it's possible to put two #10 wires on one terminal (black) and run it to the other (red).
Of course you need to make sure you don't have any 240v appliances. But if you have any (like an English Teapot that you love) you would know this.
Shown below, the jumper is the red wire.
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Old 11-05-2015, 06:11 PM   #27
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Originally Posted by Pat Cassity View Post
Looks like the extension cord may be the way to go. Having second thoughts of an adapter into another adapter. In fact, the 50 amp female to 30 amp male 25 ft cord may be an even better idea. Hopefully I can return the adapter I purchased.


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RV Power Cord Adapter 30 amp Male to 50 amp twist lock female camper detachable
So this would be what you need.
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Old 11-05-2015, 07:37 PM   #28
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No, the generator connection is not the same as 30A RV hookup.
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