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Old 06-05-2015, 12:23 AM   #1
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Fifty vrs thirty amps

My twenty foot mini lite seems to function well on thirty amps. What advantage is the extra 20 amps service to me?
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Old 06-05-2015, 01:09 AM   #2
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Old 06-05-2015, 01:29 AM   #3
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With 50 amp service you can run everything in the camper without fear of popping a breaker. Sorry my DW loves her hair dryer and it's a pain on 30 amp lol.


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Old 06-05-2015, 04:36 AM   #4
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My twenty foot mini lite seems to function well on thirty amps. What advantage is the extra 20 amps service to me?
There is none, Your limiting factor is your 30 amp breaker and wire size. It's good still to carry a 50/30 dogbone. The reason is most of the time the 50 amp socket is in better shape at some poles. Your still only going to pull 30 amps max.
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Old 06-05-2015, 06:40 AM   #5
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Originally Posted by nbenn3 View Post
With 50 amp service you can run everything in the camper without fear of popping a breaker. Sorry my DW loves her hair dryer and it's a pain on 30 amp lol.


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Not True in the OP case! He could still trip his breakers! Youroo!!
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Old 06-05-2015, 07:28 AM   #6
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Originally Posted by Lon View Post
My twenty foot mini lite seems to function well on thirty amps. What advantage is the extra 20 amps service to me?
Unless your trailer is set up for a 50 amp service, there is none as everyone has stated.

A 30 amp service has one 30 amp hot leg, a neutral, and a ground...that is capable of providing 3600 watts of 120 volt AC power. (120 volts X 30 amps = 3600 watts)

A 50 amp service is a 120/240 volt split phase service, that has TWO (2) 50 amp hot legs, a common neutral, and a ground. Each leg is capable of providing 6000 watts of 120 volt AC power...or 12000 watts total. (120 volts X 50 amps X 2 = 12000 watts)

So as you see, there is really more than an extra 20 amps, it would be 70 amps extra in total... or closer to 3 1/2 times more.

If your RV is prewired for 30 amps, it has a 30 amp main breaker in the RV and appropriate sized wiring, so that is your limiting factor at the onset.

More good reading:


http://www.rv-dreams.com/rv-electrical.html

http://www.myrv.us/electric/


http://www.rvtechmag.com/electrical/chapter3.php

http://www.rv-motorhome-answers.com/AC-Electricity.html
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Old 06-05-2015, 01:34 PM   #7
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Lon,,,,when I had a 30 AMP rv I installed a 50 AMP adaptor, because,,,,like gljurczyk said above,,,,,the 50 plug will almost always be in better shape. The 30's get fried too often and your rv won't know the difference. No, you aren't adding more electricity to your system. No harm to do it at all.
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Old 06-05-2015, 01:39 PM   #8
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Will my 30 amp TRC Surge Guard still work too?
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Old 06-05-2015, 01:47 PM   #9
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Will my 30 amp TRC Surge Guard still work too?
Not sure I understand your question.

If you are asking if you can use a 30 amp surge guard on a 50 amp wired camper, the answer is no.

There are two circuits the each have to be protected not one as in the 30 amp camper.

You could use a 50 amp surge guard (with appropriate adapters) on a 30 amp camper (only one leg would be used); but not the other way round.
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Old 06-05-2015, 01:50 PM   #10
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Sorry, to be more specific, I'm asking if I use a 50 amp adapter with my 30 amp trailer supplied cord will my TRC 30 amp surge guard still function normally? If I understand you correctly, the answer is "no"
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