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RV Shore power to Welding Outlet

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  • RV Shore power to Welding Outlet

    Greetings! I am trying to find a way to hook up my 50 amp 5th wheel to the 50 amp 6-50R nema welding outlet in the garage. So far no luck in internet searches for an adapter. Any suggestions are most appreciated. Here's a pic of the welding outlet. Thanks, Bob
    Bob & Char Bevard
    Ocean Pines, MD
    2017 Montana 3911FB Legacy Package
    2017 Ford F350 2WD Lariat Dually Diesel
    New to 5th Wheeling

  • #2
    Instead of trying to reinvent the wheel, Why don't buy the 50 amp RV outlet and pig tail it off that welding outlet. You will end up with 2 outlets side by side.
    2012 - 3400 Montana with paramount package
    2013 - GMC 3500 diesel

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    • #3
      Thanks, but not our house, we'll be staying for a couple of weeks at a friend's place...
      Bob & Char Bevard
      Ocean Pines, MD
      2017 Montana 3911FB Legacy Package
      2017 Ford F350 2WD Lariat Dually Diesel
      New to 5th Wheeling

      Comment


      • #4
        Your picture shows only a 3 hole socket for your welder. Do you have 4 leads to the socket but are only using 3 of them. A ground and two hot leads? As long as you have the 4 wire leads (2 hot leads, a ground and a neutral) into your welding outlet, you could just add the standard 50 RV outlet next to your welding outlet and a short 4 lead wire from your welding outlet to your new RV outlet and have both connections set up permanently. But you could only use one connection at a time.
        2013 Montana 3100RL
        2015 Ford F350 King Ranch Dually 6.7 Diesel Jerry and Nancy

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        • #5
          I had better qualify my comment above. If your welding outlet is 50 amps (assuming that you have a 50 amp breaker as well) than you can do what I said. If your welding outlet is only 30 amps (assuming then that you only have a 30 amp breaker) then you will want to only add a 30 amp RV outlet using only 3 wires from your welding outlet). Then you would have to get a 30 amp to 50 amp adapter to fit your 50 amp RV power cable (You would only only be able to draw up to the 30 amp and not the 50 amps in this scenario). If all of this has you confused then you might want to consult a certified electrician in your local area. I am not an electrician. A good book to get on this is called. "A NO~SHOCK~ZONE" RV Electrical Safety By Michael Sokol. You can get in from Amazon. Also he has several articles on the RV Travel.com newsletter.
          2013 Montana 3100RL
          2015 Ford F350 King Ranch Dually 6.7 Diesel Jerry and Nancy

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          • #6
            Originally posted by RWBStrong View Post
            Thanks, but not our house, we'll be staying for a couple of weeks at a friend's place...
            He might not mine especially if your there for a couple weeks. Might work out better for him too. Can't hurt to ask. Case of beer works wonders at times!
            Scott Luciano aka Montana Rover
            My better half is Pati aka Sunshine

            Lakeland, Florida

            1-Savior + 3-Nails= 4GIVEN


            2012 - Ram 3500 4x4 Longhorn Dually, 4:10 Max Tow PKG, Sun Roof, 440 HP 925 TQ, H&S Maxx Street Programmer

            2014 - Montana 3402RL, Paramount & Full Time Living PKG, Goodyear G614 Tires, Amish Made Furniture

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            • #7
              I'll be staying at a friend's place for a couple of weeks, and plugging into his welder outlet. I think I could build a pigtail, see attached diagram. Anyone see a problem with this set up? Thanks, Bob
              Bob & Char Bevard
              Ocean Pines, MD
              2017 Montana 3911FB Legacy Package
              2017 Ford F350 2WD Lariat Dually Diesel
              New to 5th Wheeling

              Comment


              • #8
                Wife just found this on Amazon! I think using the Tesla adapter will do the trick...
                AC WORKS [EV650MS] EV Charging Adapter NEMA 6-50P Welder Plug to 50-Amp Electric Vehicle Adapter for Tesla
                https://www.amazon.com/gp/product/B0...A3DS44SIO06CTJ
                Bob & Char Bevard
                Ocean Pines, MD
                2017 Montana 3911FB Legacy Package
                2017 Ford F350 2WD Lariat Dually Diesel
                New to 5th Wheeling

                Comment


                • #9
                  Originally posted by RWBStrong View Post
                  Wife just found this on Amazon! I think using the Tesla adapter will do the trick...
                  AC WORKS [EV650MS] EV Charging Adapter NEMA 6-50P Welder Plug to 50-Amp Electric Vehicle Adapter for Tesla
                  https://www.amazon.com/gp/product/B0...A3DS44SIO06CTJ
                  Way expensive for a one time deal. Would be much cheaper to install a pig tail.
                  2012 - 3400 Montana with paramount package
                  2013 - GMC 3500 diesel

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                  • #10
                    Doesn't a welder have 2x240 50 amp vs a camper 120x2 50 amp?

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                    • #11
                      I use a welder cord and and a RV outlet, I tie ground to neutral. I've never had a problem

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                      • #12
                        Thanks, but welder is 2 120 just like the camper. Bob
                        Bob & Char Bevard
                        Ocean Pines, MD
                        2017 Montana 3911FB Legacy Package
                        2017 Ford F350 2WD Lariat Dually Diesel
                        New to 5th Wheeling

                        Comment


                        • #13
                          Thanks! There's so much about this subject that I want to learn.

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                          • #14
                            Hi

                            I would be very carful of that adapter. It looks like it depends on the welder receptacle having the ground and neutral combined.

                            Most 240V welder / rage receptacles don’t have a neutral the plug is only L1 at 120V and L2 at 120V and ground. By most codes the ground and neutral are only combined at the meter. The loss of that pin to neutral will result in damage to the trailer.

                            If you do use that adapter make sure and plug you surge protection (progressive preferred) in to the adapter to make sure you have all lines properly before plugging you trailer in.

                            Phil P
                            Phil P
                            2009 Montana 3665RE
                            2009 Silverado Durtamax DW Quad Cab Long bed
                            as of 10/20/2016 have 90,000 miles on the Montana and 172,000 on the Silverado

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                            • #15
                              Thank you, appreciate you taking the time to share your knowledge! Bob
                              Bob & Char Bevard
                              Ocean Pines, MD
                              2017 Montana 3911FB Legacy Package
                              2017 Ford F350 2WD Lariat Dually Diesel
                              New to 5th Wheeling

                              Comment

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