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Discussion Starter #1
I'm in the dark when it comes to home AC wiring and circuitry but through the years there's members here who've done a lot of it and unlike me, pretty sharp on it. My question is I've got one of the old faithful Lincoln 220V "buzz boxes" and I was wondering about running it off my 120V/220V portable generator using the 220V plug. On the Lincoln site under specs, it shows input current 50A. So it would take 50 Amps to run it is my take, right? If so, my generator doesn't put out nearly enough juice.
https://www.lincolnelectric.com/en-us/equipment/Pages/product.aspx?product=K1170(LincolnElectric)
 

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How many watts is your gen? Best to get welder/gen combo.
 

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The combination units are great, but aren’t cheap. The 50 amp spec is for minimum breaker size. The unit has a 225 amp max output at 25 volts. That’s 5,625 watts. With 220 input, that would be a 25.5 amp draw. That’s assuming 100% efficiency, which isn’t reality, but you could safely assume 30 amps would cover it. Again, thats cranked up to max. I rarely run my stick welder that hot. That welder only has a 20% duty cycle at that current anyway.


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another thing you have to keep in mind is startup amps which is a lot more then run. I have a Honda 7000 inverter gen. and a Lincoln 135 wire welder, I have to use the 30 amp plug to run it even though on a land line it would run just fine on a 20 amp outlet. The combo units are the best , but again cost way more.
 

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Discussion Starter #5
Thanks everyone, that's what I thought. I was hoping for a shortcut to get my Lincoln running again. My generator shows only 14.6 amps on the 220V plug. I do so very little welding nowadays I can't really justify a welder/gen set. I DID buy a little 110V wire feed some years back and it does good on material up to 3/16.
 

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If you need to do any stick, a couple companies have some 110v units out that are doing some crazy things.
Even the harbor freight units are holding up pretty well. Lol

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I had 2 harbor freight unit that worked of of 110v that work good that I used to fix Gates and tractors in the field. To bad I sold them when I got a nice 220v Lincoln for the shop that can do it all. I am still looking for a nice generator with a 50amp breaker that will run it.
 

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If you need to do any stick, a couple companies have some 110v units out that are doing some crazy things.
Even the harbor freight units are holding up pretty well. Lol
Being 110V aren't you limited to 1/8 or 3/16 material like my wire feed? At my previous house my big fuse box was mounted to the power pole at the corner of the house and I just ran the correct cable out of the box a couple feet down and mounted a weather proof plug for the Lincoln buzz box right on the pole (without electrocuting myself :) ) Present house the panel is on one end and garage with 110V is on the other but no 220V.
 

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I had 2 harbor freight unit that worked of of 110v that work good that I used to fix Gates and tractors in the field. To bad I sold them when I got a nice 220v Lincoln for the shop that can do it all. I am still looking for a nice generator with a 50amp breaker that will run it.
I used to get sent out to work in one of our other shops and they had the slickest trailer mounted welder I ever saw. Believe it or not, it was a Ford flathead V8 that powered the big welder and that baby just purred.
 

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My generator shows only 14.6 amps on the 220V plug.
Then you can use the welder on that generator as long as you keep the amps turned DOWN (weld only thin material). If you find you've tripped the generator's breaker, you went too high - let the breaker cool, reset it, turn the welder down & try again. You can't hurt anything, so give it a try (or 3).

Read the specs on the welder's ID plate for peak/max current (Amps) draw at 220VAC - that's what it needs if you're burning the thickest electrode/wire on the thickest plate that the welder is rated for. For all other settings, the welder draws LESS current - the lower you set it, the less it needs. At some point, you should find what the generator can supply to that welder.

Small linkable inverter/generators are becoming affordable. These were cheaper a few weeks ago, so they might go back down soon:
https://www.samsclub.com/sams/shop/product.jsp?productId=prod22210715
 
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