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Old 01-28-2011, 09:04 PM   #29
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I have a 50 amp motorhome so the 4 wire. Unless I am running both ACs which I don't usually do I don't use 50 amps.10/4 was the largest they had

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Old 01-29-2011, 10:03 AM   #30
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My only concern there is that the 50 amp breaker on the campground pedestal (or the one in your RV) do not offer much protection for overloads on the #10 wire. I'm sure they would trip in the case of a direct short, however they would carry a 50 amp load forever, resulting in overheating your cord. Unless you keep a good eye on your current loads, you could have problems...

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Old 01-29-2011, 01:38 PM   #31
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I have often had a 30 amp service with a dogbone and never tripped the breaker.I seldom run both ACs I know the wire is a little light if I were to have everything on at the same time.I think if I had both ACs the electric water heater, microwave refer,and all the lights on each leg would still be drawing less than 30 amps.As long as the plug is wired properly so the load is split to not overload the neutral it should be OK.
The fourth wire splits the load when on a 50 amp circuit and if on a 30 the #10 is adequite.I know it's not to code but better than some that I've seen on the fat( all insulation) light cords.

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