Welder Plug In The Wall For A Camper Trailer - Electrical - DIY Chatroom Home Improvement Forum

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Old 07-09-2012, 09:43 PM   #1
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welder plug in the wall for a camper trailer

i have a welder inlet in my shop im trying to wire a short adapter from that to a four prong for a camper trailer im useing a 10 awg wire do i need the ground on either side or just use the neutral on both sides for the ground


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Old 07-09-2012, 09:50 PM   #2
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You can not use the neutral for the ground.
The only way to do this right is run a new circuit.


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Old 07-09-2012, 09:52 PM   #3
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how would i run a new circuit

Last edited by csus; 07-09-2012 at 09:58 PM.
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Old 07-09-2012, 11:03 PM   #4
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The Caravan ( Travel Trailer ) do required 30 amp 120 volt circuit or 50 amp 120/240 volt circuit please note the bold which you will denfitally need netural there.

Now with your welder receptale they typically set up for 50 amp 240 volts only and you can not rig this to fit on your caravan at all.

So which type of plug your Caravan do have 30 amp 120 volts or 50 amp 120/240 volts ?

And also it will be wiser just run a new circuit for this purpose.

Do your shop have subpanel there ??

The answer will be based on NEC ( National Electrical code ) or CEC ( Cananda Electrical code ) or ECF ( Electrique Code France )
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Old 07-10-2012, 07:05 AM   #5
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The welder receptacle must also be 4 prong 120/240 volt as opposed to 3 prong 240 volt only.

Otherwise you can't use it.

You could upgrade a 3 prong 120/240 without ground to a 4 prong 120/240 with ground by running a separate ground wire all the way to the panel where its breaker is, exactly, approximately, or vaguely following the route of the existing groundless feed cable.

You may not use the ground wire as a neutral in a cable even if you ran a separate ground wire back to the panel.
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Last edited by AllanJ; 07-10-2012 at 07:15 AM.
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