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  • #16
    Originally posted by Broccoli1 View Post


    ….but those Spider boxes are $$. A fellow camper already had it
    Geez Ed, my brain is in neutral today. I have one of those from Hubbell and it works great. Just haven't used it for a while.
    Elvis check for "Spider Box" on e-bay I saw a couple of used ones for less than $200.00. You already have the wire to feed it so you would only need the proper plugs.---Meltedmetal
    Last edited by Meltedmetal; 11-06-2014, 10:46 AM.
    ---Meltedmetal

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    • #17
      Now we are getting somewhere! You are correct. That was a fat finger 15, aka a 14. I fixed it now in the original post.

      I'll see what I can find for a spider box. That would be perfect. I do see cost being an issue but I'll just take my time looking for something.
      MillerMatic 251
      Maxstar 150 STH
      Cutmaster 42
      Victor Journeyman OA

      A rockcrawler, er money pit, in progress...

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      • #18
        Sorry, my remarks were too harsh. I'm a little sensitive to people wanting to reinvent the wheel. Because a proper, and safe installation is costly, lots of people feel they are qualified without training to invent it themselves, reject safety as unnecessary, and do it cheap.


        I'm never comfortable with using a dryer or range receptacle as a power source for welding as a long term solution. Even in a rental, it is cheaper to install a receptacle for a welder. We routinely do set up temporary distribution centers, usually for construction. They consist of a sub panel mounted on something solid with receptacles protected as needed for cord and plug connected loads. For good reason NEC prohibits this sort of thing for permanent use.


        I have a construction 8500 watt generator set up on pallet with lifting eye equipped with this sort of thing.


        As for a welding cord run through doorways where it will inevitably be closed in doors otherwise known as cord shears, to run long term, a welder or other equipment, I am opposed.
        Dynasty 280DX
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        Twentieth Century 295 AC
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        • #19
          Originally posted by Broccoli1 View Post
          I did it with a Spider Box while camping. My Trailer has the 14-50 connections and I ran the cord to a Spider Box from the receptacle that is powered by the on board generator.
          You are my hero! You take welders with you on vacation? Mrs. B isn't likely to stand for it, but I'd probably never have to be bored on vacation again! I've even got a compartment in the trailer just right for the Dynasty. Or would the MM252 be more versatile? Oh well, it was only a dream.
          My daughter in law's father says vacations NEVER include family.
          Dynasty 280DX
          Bobcat 250
          MM252
          Spool gun
          Twentieth Century 295
          Twentieth Century 295 AC
          Marquette spot welder
          Smith torches

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          • #20
            4-wire extension

            Spider boxes are really handy when you are out in remote areas. Where was that picture taken. My guess would be Glamis or out at a desert race. I used to enjoy both when I lived in Southern California. Seems there will always be someone breaking something that far out.

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            • #21
              Having welders at off road events and trips is the only way to go. I have spent some good hood time welding my jeep back together after "aggressive" runs.
              MillerMatic 251
              Maxstar 150 STH
              Cutmaster 42
              Victor Journeyman OA

              A rockcrawler, er money pit, in progress...

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              • #22
                Originally posted by Texas113 View Post
                Spider boxes are really handy when you are out in remote areas. Where was that picture taken. My guess would be Glamis or out at a desert race. I used to enjoy both when I lived in Southern California. Seems there will always be someone breaking something that far out.
                This was near Anza Borego- not much riding on that trip, just a big party on my friend's property out there. He has 100 acres so the kids can ride around and not worry about them, big bon fires and BBQ.

                and a big ol' sand burm = shooting' range
                Ed Conley
                http://www.screamingbroccoli.net/
                MM252
                MM211
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                • #23
                  Originally posted by elvis View Post
                  I have a 50-amp 14-50r in my house that I am going to run my electric beer brewery off. I bought 55' of 6/4 soow for that application. I figured that I will use that to run my mm251 off as well. Well that got me thinking that I should add a gfci protected 115vac duplex receptacle as well at the end of the cord.

                  What kind of box do I need? Can I fit it all with a cover in a 3-gang box?

                  2 disclaimers: this is a rental and I can't add circuits. I would just pull a circuit if I could. I have 200-amps of service to the house.

                  Second, this is purely for home hobby use and jot in an OSHA inspected area. All wiring is temporary and I am aware of the risks.
                  I modified one of these to accept a larger input cable to accommodate a 6-50R and 14-50R and a 15A GFCI could be added as well.
                  http://circledlights.com/products/po...unction-boxes/

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                  Last edited by duaneb55; 11-09-2014, 01:59 PM.
                  MM200 w/spot controller and Spoolmatic 1
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                  Bobcat 225G Plus LPG/NG w/14-pin*
                  *Homemade Suitcase Wire Feeder
                  *HF-251D-1
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                  • #24
                    Nice

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                    • #25
                      more than one branch circuit (which is what you have in this case) technically requires a sub-panel (I'm assuming you are running out to a garage or some out building) which is usually required to be grounded with another rod. If you are running one circuit over for the welder there is a tap rule I believe where you can tap off that circuit with another circuit. It's a percentage of the amperage and can only be with in so many feet, 15ft I believe. You would have to bring this circuit into a box tap off of that an then run down to two separate receptacles one for the welder and one for the GFI.

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                      • #26
                        The ground is not a problem, what is though is the overcurrent protection. You need to add a breaker not more than 20A, any wire associated with it, in or out needs to be 12.

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