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-   -   welder question...(sorry so many questions) (https://www.homemadeturbo.com/fabrication-14/welder-question-sorry-so-many-questions-98984/)

toyollAZ86 01-19-2009 07:18 PM

welder question...(sorry so many questions)
 
if my garage is only wired for 110 but i wanna get an arc welder that takes 220
can i get a transformer or do they make step up transformers.
thanks

Ntrain2k 01-19-2009 08:52 PM

Re: welder question...(sorry so many questions)
 
You won't have a 110 curcuit that carries enough amps to support a transformer to power a welder.

If your welder draws 20 amps at 220, it would require 40 amps on a 110 curcuit if you built the perfect 100% eff transformer.

Just run a 220 line for it. Easy enough.

Smith-02 01-19-2009 08:57 PM

Re: welder question...(sorry so many questions)
 
220 should already be in your breaker box. double slot 25amp or 30 amp and youre good to go :6

toyollAZ86 01-19-2009 09:26 PM

Re: welder question...(sorry so many questions)
 
i live in an apartment and the garages are just a shell pretty much.
they were nice enough to give us a 110 outlet and a light bulb.

Skrenos 01-19-2009 10:53 PM

Re: welder question...(sorry so many questions)
 
Buy a generator that has 220v and enough amps to get the job done. 220v @ 20 amps will require about 4500watts continuous.

toyollAZ86 01-20-2009 01:40 AM

Re: welder question...(sorry so many questions)
 
not a bad idea.^
generators are kinda pricey arent they. i supposed its good in the case of a disaster though.

Toysrme 01-20-2009 02:05 AM

Re: welder question...(sorry so many questions)
 
If you have the time and money install a sub-panel. As c0mpl3x said. US = a pair of 110v inputs = 220v single phase right there. Put a breaker on both of your rails run to the sub-panel & install more breakers.
Now you can route 220 anywhere you want.

Smith-02 01-20-2009 02:44 AM

Re: welder question...(sorry so many questions)
 
ALL INCOMING RESIDENTIAL LINES ARE 220v


the breaker box has 2 rails of hot. 110v uses one. 220v uses both.

you could rig up a jumper for 220v if youre ballsy enough

toyollAZ86 01-20-2009 06:20 PM

Re: welder question...(sorry so many questions)
 
if im ballzy enough to get shot across the room?

Ntrain2k 01-20-2009 07:51 PM

Re: welder question...(sorry so many questions)
 
How far away is your breaker box from your garage?

How many amps does your welder draw?

toyollAZ86 01-20-2009 10:04 PM

Re: welder question...(sorry so many questions)
 
i dont know any of that really. i havent had any reason to go look until now.
ill check. even though its like 18 ------ degrees outside.

Skrenos 01-20-2009 10:12 PM

Re: welder question...(sorry so many questions)
 
I only mentioned a generator since you live in an apartment and most landlords frown upon DIY stuff like wiring. I've just started the project of running 220@30amp to my garage. Pain in the ass, it is.

Generators are good for portable fab also. I've done some welding around the place using my 3000 watt genset with fluxcore.


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