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Old 03-12-2014, 09:18 PM   #1
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20, 30, or 50 Amp

We're newbies and going camping this weekend to a park that offers 20, 30, or 50 amp electric service. Which one do we use?
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Old 03-12-2014, 09:21 PM   #2
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If you have the 2300..? You'd use the 30.
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Old 03-12-2014, 09:41 PM   #3
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Hi

The plug sizes are different. The 20 is a standard household plug. The 30 is a 3 pin slightly bigger and slightly different shaped plug. And the 50 is 4 pin and bigger again. You will see and it will work itself out when you get there. Basically whatever the RV has on the end is what you will plug in. Most parks have all 3 amperages available on a site anyway. You can plug a lower amperage plug into a bigger amperage outlet with an adapter without a problem. It will only draw what it needs anyway. You can also plug a larger amperage plug into a lower amperage outlet with an adapter. The problem there is that you will not be able to run all the facilities of the RV at one time because you are drawing more power than the outlet can provide, so to speak. Larger units with more electrical facilities will require more power and may be 50 amp. That being 5th wheels and motorhomes. Travel Trailers, pop ups, and class C generally tend to be 30 amp. This is a generalization before I get a bunch of people saying 'yeh but'.
Hope this helps. Enjoy your trip!!!
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Old 03-12-2014, 09:46 PM   #4
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Your power cord plug will fit the 30 amp outlet on the pedestal. It's always a good idea to switch the circuit breaker off on the pedestal, plug in, then turn it on. Turn off first before unplugging.

For future reference, you should buy a 50 amp to 30 amp adapter (about $12 at Walmart). A few campgrounds may have a 50 amp outlet but not a 30. Also, sometimes you will find a worn out 30 amp outlet that doesn't work well or keeps popping the breaker. With the adapter you could switch to the 50 amp outlet.
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Old 03-12-2014, 09:52 PM   #5
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These are some good articles to read for those just beginning:

RV Electrical Systems

Basic RV Electricity - RV Information (RV Maintenance)

RV Converters and Amp Draw - RV Information (RV Maintenance)
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Old 03-12-2014, 10:11 PM   #6
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Quote:
Originally Posted by 5erDriver View Post
Hi

The plug sizes are different. The 20 is a standard household plug. The 30 is a 3 pin slightly bigger and slightly different shaped plug. And the 50 is 4 pin and bigger again. You will see and it will work itself out when you get there. Basically whatever the RV has on the end is what you will plug in. Most parks have all 3 amperages available on a site anyway. You can plug a lower amperage plug into a bigger amperage outlet with an adapter without a problem. It will only draw what it needs anyway. You can also plug a larger amperage plug into a lower amperage outlet with an adapter. The problem there is that you will not be able to run all the facilities of the RV at one time because you are drawing more power than the outlet can provide, so to speak. Larger units with more electrical facilities will require more power and may be 50 amp. That being 5th wheels and motorhomes. Travel Trailers, pop ups, and class C generally tend to be 30 amp. This is a generalization before I get a bunch of people saying 'yeh but'.
Hope this helps. Enjoy your trip!!!
I'll second this!
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Old 03-12-2014, 10:55 PM   #7
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Sorry to butt in... But... My TT is a 30amp... However, when I arrive at a site that has 50 & 30 Amp outlets, I always use my adapter and plug my TT into the 50amp. Reason being, the plug-in almost always looks to be in better shape than the 30amp (less use). Any problems in doing this?
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Old 03-12-2014, 11:06 PM   #8
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No. Not at all. That's what I said. You can plug in to a higher amperage and the unit will only draw what it requires. The other way around and you may not be able to run a lot of things at once. Liken it to plugging in a phone charger in your kitchen. It will draw very little power. Plug in a toaster, it will work too but will draw a whole lot more. Plug in two toasters on the same circuit and it will trip.
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Old 03-13-2014, 05:47 AM   #9
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Quote:
Originally Posted by KDHfan View Post
Sorry to butt in... But... My TT is a 30amp... However, when I arrive at a site that has 50 & 30 Amp outlets, I always use my adapter and plug my TT into the 50amp. Reason being, the plug-in almost always looks to be in better shape than the 30amp (less use). Any problems in doing this?
I do the same thing when I can. No ptoblems with it at all.

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