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Old 07-13-2013, 04:57 PM   #29
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If the two hot legs are 180 degrees out of phase like any two 240 volt legs, you would get a direct short as there would be no load between them. On my generator, which is a plain old HD special, the duplex receptacles use two different hot legs between the upper and lower. This is done so you can balance the load and not have all the power drawn off one leg.
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Old 07-13-2013, 08:48 PM   #30
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Originally Posted by clyon51 View Post
To explain this a bit, in your 4 prong/wire 240v outlet, you have TWO separate 120v hot wires, one neutral and one ground. Each of those hot wires are rated at 20amps, for a total of 40amps for a 240v appliance to use. The other 3 prong outlets are for 120v (one 20a hot, one neutral, one ground)

Your RV and shore cord is wired for only 120v. Your cord is 3 prong, one hot, one neutal and one ground. The breakers in the RV will allow up to 30amps to pass thru, therefore your cord is rated to carry 30a.

The bottom line, like previously stated, you cannot use the 4 prong 240v outlet. The best you can do is get a 120v 20a to 30a RV power adapter and use the 120v outlets on the generator. With that generator, there is just no way you can get 30a to the RV, but 20a will get you by for your needs.
That's the bottom line, the separate discussion about re-wiring is immaterial to your original questions.
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Old 07-14-2013, 08:19 AM   #31
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That's the bottom line, the separate discussion about re-wiring is immaterial to your original questions.
Sorry, guess I hijacked the thread and ran off on a tangent, but it seemed relevant at the time. The OP's question was about how to get 5000 watts out of his generator on one outlet, which seems feasible if it's already there. I have the tandem EU2000 set up, two generators in parallel sharing a common neutral for a net 4000 watts @ 120V. But there is so much I don't know.
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