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making a dongle to convert the ?50a 220? to 110 for testing

Unread postby Zed on Sat Aug 27, 2016 1:38 pm

So I am heading to Lowes to get a new 220 50a plug as one of the prongs on my OEM one is damaged. While I am there I want to get a 220 female and a 110 male and make a converter so I can start testing the electrical system off of a extension cord. I know this will not provide enough amps for anything like the fridge or AC to be tested but I just want to know what outlets work and it the fridge or AC will try to turn on or not. Is this possible, I don't have access to a 50a 220 plug where the RV is parked. How would I wire something like that, just leave one leg off the 220 connection?
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Re: making a dongle to convert the ?50a 220? to 110 for test

Unread postby KB2CRK on Sat Aug 27, 2016 2:36 pm

You would want the hot from the 110 plug to be connected to both the hot prongs in the 220 female plug. Neutral to neutral and Ground to ground.
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Re: making a dongle to convert the ?50a 220? to 110 for test

Unread postby 77Travco on Mon Aug 29, 2016 6:56 am

Your factory plug is a 30 amp. Just go to the RV section of walmart and get an extension shore cord and cut the female end off. Then wire it into your coach and you will have a new shore cord. While your in the RV section, buy a 30A to 20A adapter so that you can plug into a regular wall outlet. (I have operated my AC unit many times like this) You can also buy a 30A to 50A RV plug adapter so as to be able to plug in at a 50A site.
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