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Old 05-04-2009, 02:47 PM   #1
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30 amp/50 amp connectors

Are 30 amp and 50 amp connections the same pin configuration. I have a small Surveyor with 30 amp power cable but I noticed that may campgrounds offer 50 amp service. Can I plug my 30 amp connector into a 50 amp service box or do I need another adapter? Is it safe to plug into 50 amp? I assume that my power converter circuit breakers will protect me, true?
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Old 05-04-2009, 04:05 PM   #2
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I think most campgrounds that offer 50 amp service, will also have a 30 amp service in the same box. If not, you can get a 50 amp to 30 amp adapter at many camping supply stores, or check with your local RV dealer.

I also carry a 20 amp to 30 amp adapter....just in case, as well as a 30 amp to 20 amp adpater so I can check polarity with a 20 amp plug-in check lite. And wonder why I have so many parts ??
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Old 05-04-2009, 04:06 PM   #3
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As far as I know there is an adapter that you can buy that will allow you to plug into a 50amp circuit. I am pretty sure I bought one when we purchased our TT, but I've never had to use it.
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Old 05-04-2009, 09:21 PM   #4
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I'm pretty sure I saw a 50-30 amp adapter today at WalMart.
I was there looking for a new water hose regulator. They had a peg
for the reg but it was empty ;-(
Check the RV section which is usually near the oil and filters.
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Old 05-04-2009, 09:49 PM   #5
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I'd recommend the type with about a foot of cable between the ends so you can close the breaker box door at the campsite.
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Old 07-01-2009, 09:55 PM   #6
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I was just asking this same question myself. It seems some campgrounds have all 50A sites. I have to do some shopping.
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Old 07-02-2009, 03:21 AM   #7
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Hmm not an electrician but if be weary of plugging a 30 amp cable into a 50 amp box. I have a 50 amp cable on my Tt so I know there are connecters to go from 30 amps to 50 amps but my trailer is rated for the 50 amps so I know 30 amps won't overload it I wonder if plugging a 30 amp into the 50 amp will damage components....
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Old 07-02-2009, 08:52 AM   #8
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Quote:
Originally Posted by uhcrewdog View Post
Hmm not an electrician but if be weary of plugging a 30 amp cable into a 50 amp box. I have a 50 amp cable on my Tt so I know there are connecters to go from 30 amps to 50 amps but my trailer is rated for the 50 amps so I know 30 amps won't overload it I wonder if plugging a 30 amp into the 50 amp will damage components....
No need to be weary.Thats why every thing in your RV has it's on fuse or breaker.
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Old 07-02-2009, 01:23 PM   #9
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Its the same voltage. You will not pull more amps than your appliances were designed for. There is just more available for the larger campers.
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Old 07-02-2009, 02:45 PM   #10
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I've never seen a box with a 50 Amp outlet that did not also
have a 30 Amp and a normal duplex 20 Amp outlet as well.
I suppose there might be boxes with just a 50 amp but I have
yet to encounter one.

You cannot damage your trailer by plugging a 30 amp into a 50
amp with the proper adapter. Your trailer will draw the required
amps. Sometimes it will be drawing only 1 or 2 amps!!

BUT if you manage to get plugged into a 220V outlet when your
trailer is wired for 120v -as most are- you will fry lots of expen$ive
$tuff.
220 volt outlet boxes are rare but they are out there. Usually for
full timers?
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