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Old 05-03-2014, 11:37 AM   #1
KathyandDave
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Electrical question about no neutral

When we visit some musical friends, we park next to their drive-in shed. There's a Lincoln arc welder that connects to an old-fashioned 3-prong 50A connector. To get air conditioning in the summer, I want to make an adapter form the 3-pin to the 4-pin connector for the Monty. I have found and bought the connectors. I'm thinking that bonding the neutral and ground together will work fine to get two hots and a return path and won't cause issues with the trailer wiring. Any thoughts from the electricians in the group? Of course, anything I do is my own responsibility.
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Old 05-03-2014, 11:46 AM   #2
K0LCB
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I did that for many years and never had a problem. Make sure the electric neutral is at ground potential and it will work
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Old 05-05-2014, 05:45 AM   #3
mhs4771
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I do sort of the same thing, ran a line that plugs into a Welder outlet with the neutral and ground bonded together at the outlet. Problem I had, my EMS wouldn't let power through until I added a ground rod right next to the RV outlet post. Now works like a champ.
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