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Old Apr 7, 2007 | 12:15 AM
  #21  
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Originally Posted by 7T1vette
With the cost of copper now, a new 20' long, 220v w/ground #8 wire won't be cheap.
Hence my recommendation to use the chepo 10 or 12 and see if it works. 20 foot is not that long so voltage drop should not be excessive. If he uses the higher settings the wire may get hot but won't damage the welder. It will just put out less amps.

Its been my experience that 120 amps is enough to do any job on the vette and more often 90a so you never use the welder at full ampacity anyway.
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Old Apr 7, 2007 | 12:28 AM
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Originally Posted by turtlevette
Hence my recommendation to use the chepo 10 or 12 and see if it works. 20 foot is not that long so voltage drop should not be excessive. If he uses the higher settings the wire may get hot but won't damage the welder. It will just put out less amps.

Its been my experience that 120 amps is enough to do any job on the vette and more often 90a so you never use the welder at full ampacity anyway.
I hate to be an a--, but where does he say it's for the vette? Maybe he is building a water tower for his factory next door.
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Old Apr 7, 2007 | 01:17 AM
  #23  
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Just wire it up with an extension cord from a discount store. If it gets hot use bigger wire. You can tell if its hot by the smoke.[/QUOTE]
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Old Apr 7, 2007 | 01:32 AM
  #24  
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Originally Posted by Big2Bird
It will still help make a decision to know his nameplate. Is it 30a/240v.
Is he counting on using a dryer recept in the garage? Yada, yada,.......
Just cause you're an electrician
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Old Apr 7, 2007 | 08:24 AM
  #25  
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actually welding on a car trailer....

Im thinking its gonna be easier and cheaper to just knock out the wall thats in my way and roll the damn thing inside
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Old Apr 7, 2007 | 08:54 AM
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Originally Posted by JustForFun
actually welding on a car trailer....

Im thinking its gonna be easier and cheaper to just knock out the wall thats in my way and roll the damn thing inside
Here's a pretty useful tool. Be sure to follow the NEC.
http://www.elec-toolbox.com/calculators/voltdrop.htm
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Old Apr 7, 2007 | 09:07 AM
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10/3 SJ cord. Go to home depot and have them cut you the length you need. End of discussion
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Old Apr 7, 2007 | 01:14 PM
  #28  
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Big2Bird
Quote:
Originally Posted by turtlevette View Post
Hence my recommendation to use the chepo 10 or 12 and see if it works. 20 foot is not that long so voltage drop should not be excessive. If he uses the higher settings the wire may get hot but won't damage the welder. It will just put out less amps.

Its been my experience that 120 amps is enough to do any job on the vette and more often 90a so you never use the welder at full ampacity anyway.
----------------------------------------------------------------------------------------------------------------------

I hate to be an a--, but where does he say it's for the vette? Maybe he is building a water tower for his factory next door.



TOO FUNNY !!
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Old Apr 7, 2007 | 10:21 PM
  #29  
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Originally Posted by JustForFun
actually welding on a car trailer....

Im thinking its gonna be easier and cheaper to just knock out the wall thats in my way and roll the damn thing inside
It's easier than getting the nameplate info from you.
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Old Apr 7, 2007 | 10:58 PM
  #30  
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Originally Posted by Big2Bird
1) It's the wire size, not the breaker
2)Wrong. Longer leads must be larger gauge to compensate for distance.
3)Not familiar with that product. Does it have aa size/temp rating?
1) I know its the wire size but, without pulling the wire, the breaker is all you have to go by and is usually rated for the circuit that it feeds including all the receptacles attached to it. So, the breaker is the MAX rating of the entire circuit. Just trying to make it easy without getting anyone hurt.
2) That is why you must not extend the power cord if the welder with the same size leads. To quote myself "The cable on the welder is the longest it can be for the max rated power. Any longer and you fry your welder or trip your breaker. Talking about the power cord, not the welding leads.
3) Yes it does, you might be able to find it on thier website but I am not sure. Its pricey but good stuff. Used as "shore" power for RV's and boats.

Last edited by VETTEVIC; Apr 7, 2007 at 11:00 PM.
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Old Apr 7, 2007 | 11:07 PM
  #31  
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Originally Posted by VETTEVIC
. Any longer and you fry your welder or trip your breaker. Talking about the power cord, not the welding leads.
.
No you won't fry the welder.
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Old Apr 7, 2007 | 11:14 PM
  #32  
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Spend the few bucks and seek a local quailified electrician before you burn your house down for a trailer.

ric
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Old Apr 7, 2007 | 11:19 PM
  #33  
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Originally Posted by Ric's80_4sp
Spend the few bucks and seek a local quailified electrician before you burn your house down for a trailer.

ric
You need an electrician to put together an extension cord that's going to plug into the wall and lay on the ground.

Thats gonna be one expensive bugger.
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Old Apr 7, 2007 | 11:44 PM
  #34  
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I made an extension cord for my arc welder and it works just fine. 10 guage I believe. I've also put on LONG extensions for when I used to weld on semi-trailers and they also worked fine.
I've also used an arc welder to thaw frozen underground metal pipes. Yes, that happens here on the frozen tundra. I've done it on runs as long as 200 ft. using an aluminum "extension" wire to get to the far end. Again, no problem.
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Old Apr 7, 2007 | 11:47 PM
  #35  
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It was about 90 dollars to make an extension for mine
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Old Apr 8, 2007 | 07:35 AM
  #36  
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i checked th eplate ...it said it is a 220v 40amp welder

the wires coming from it now are a 10/3
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Old Apr 8, 2007 | 08:29 AM
  #37  
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Originally Posted by Burnt71
10/3 SJ cord. Go to home depot and have them cut you the length you need. End of discussion
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Old Apr 9, 2007 | 12:58 AM
  #38  
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I had a 50 foot extension cord made out of 10/3 SJ for my plasma cutter. Worked like a charm.
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Old Apr 9, 2007 | 10:22 AM
  #39  
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Originally Posted by turtlevette
you should be able to find some #12 or #10 extension cord type wire. It might even be easier to cut up a cheap extension cord.

Since its not a built in you don't need to follow any electrical code.

Rarely do i ever go past the 120 amp setting on my welder and it works fine for me.

Lookie what i said on post 10. But i don't know sheit.
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