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Old 08-14-2003, 08:06 PM   #15
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The way I understand it is, when you are hooked up to a 50 amp service and split it into two seperate feeds, you have two 110 volt, 50 amp lines. Each 110 hot leg of the 50 amp service is 50 amps, not two 25 amp legs.
The side that is feeding the main shore line is going through your circuite box in the MH. It should be OK. But if the one that feeds the rear AC unit is not going through a breaker, like mine is not, then you are feeding up to 50 amps of power directly into an appliance that should not use near that much. If something goes wrong there is no 20 amp breaker to protect it. 50 amps could do a lot of damage before tripping the breaker.

I made the short 'dog bone' (50 amp male to two 30 amp females) that I use when I need it, but I get worried when I think about it.

I have intentions of making a short 10 foot long extention that plugs into a 50 amp service and terminates with an outdoor type breaker box containing two 30 amp breakers each with a 30 amp outlet. That would give lots of flexability without a lot of bucks.
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Old 08-15-2003, 09:22 AM   #16
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why??
the coach has breakers to protect the ac and what ever, the thirty amp line feeds the main breaker box and the 20 amp line feeds the a plug that is connected to the breaker under the bed. that the rear ac is connected to. got breakers. result two wires coming out to get pluged in at a power pole. but you must remember plug the rear ac into the extinsioin coard . and that is under the rear curb side bed. for safety reasons the power feeds should be wired to female plugs and the ac to a male connector.
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Old 08-15-2003, 07:00 PM   #17
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But if you don't supply your own breakers, you are getting 50 amps for each of the two 110 volt legs of the 50 amp service.

On my unit the shore line that supplies power to the rear AC unit goes directly to an automatic switch (between the Genset and shoreline) and then to the AC unit. No breaker involved. It is counting on being plugged into a park supplied breaker of appropriate size. Therefore if it is plugged into a 50 amp outlet it has way too many amps available for that unit.

The '30 amp' style plug is still 110 volts, not 220, and if it is plugged into a 50 amp breaker you still have 50 amps. Just because you install an ordinary looking home 110 volt outlet on one of the 110 legs of the 50 amp service, does not make it 20 amps. It is still 50 amps.

I just don't want anyone to get hurt with this stuff. I am not an electrician, nor to a play one on TV, but I have done some electrical work and I think I am correct in what I am saying. I respect electricity enough that I have never been seriously hurt by it, and I want everyone to have the same respect and understanding.
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Old 08-16-2003, 07:42 AM   #18
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if you plug up correctly 30 to 30/ 20 to 20 on the power pole its not a problem as you kave three breakers. lol
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