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Old 05-19-2011, 06:09 PM   #11
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Originally Posted by Oakman View Post
I just wanted to make sure that those with 50 amp plugs don't plug into a 240amp outlet. It will fry things.
The only times I've heard of this being done was when someone brought their trailer home and plugged into a 240 volt outlet for a dryer or welder. They find out really quick that their trailer is 120 volt only and not 240.
This happens mainly with 30 amp plugs.
There is no such animal as a 240 amp outlet. They are 250 volt.
The next time you go camping take a voltmeter and plug 1 lead into one of the parallel slots of the 50 amp receptacle and the other lead into the other parallel slot and Yes Yes Yes you will read 240 volts.

Charlie
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Old 05-19-2011, 07:06 PM   #12
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He apparently doesn't understand yet what you are explaining to him. YES, the plug IS 250VAC, but NO, the trailer DOES NOT use it as 250v. It SPLITS the 250 volts into two separate "legs", or like having two power cords going to one camper. They STILL only end up supplying 120v to the camper- let's say one power cord to one rooftop AC, and the other to the second, and several other things. That allows much greater AMPERAGE to be passed through the wiring to be able to power more things without heat buildup and a fire danger- not to mention tripping breakers. Maybe this will help you to understand the connections? Good luck, Randy
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Old 05-19-2011, 07:22 PM   #13
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Originally Posted by 08flagvlite View Post
He apparently doesn't understand yet what you are explaining to him. YES, the plug IS 250VAC, but NO, the trailer DOES NOT use it as 250v. It SPLITS the 250 volts into two separate "legs", or like having two power cords going to one camper. They STILL only end up supplying 120v to the camper- let's say one power cord to one rooftop AC, and the other to the second, and several other things. That allows much greater AMPERAGE to be passed through the wiring to be able to power more things without heat buildup and a fire danger- not to mention tripping breakers. Maybe this will help you to understand the connections? Good luck, Randy
Randy, I understand this perfectly well. The 2-120 volt legs must be 180* out of phase with each other. When that happens you have 240 volts between them.
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Old 05-19-2011, 10:02 PM   #14
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to answer ur question, i have only a 30 amp extension cord that i haven't used the first time sense i bought the cardinal 33 ts in early 2002. the 50 amp cord has been plenty long for every place i've been. the 30 amp cord was bought when i had my 84 fleetwing. used it a couple times on the fleetwing.
i would say buy the 30 amp cord just in case. the extra money for the 50 amp will prove to be a waste. by the way, if the 30 amp cord on my old trailer had been as long as the 50 amp cord in my current trailer, i wouldn't have had to have an extension then.
if u use the 30 amp extension, plug it into the 30 amp service at the pedistal and adapt the other end to ur 50 amp cord. use standard off the shelf adapters and u will be fine.
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Old 05-24-2011, 09:35 PM   #15
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Do you mean 220?
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Old 05-24-2011, 10:12 PM   #16
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I would buy the 50 amp extension cord and get a 50 to 30 amp converter and call it a day - most of the time I would say you wouldnt need it but by that off chance you do you will be prepared and not have to worry about it.
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