110v, 115v, and 120v

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I'm looking for a small welder to plug into my standard outlet.  I'm a little confused though.  I've been finding welders that say 110v, 115v and I just found a nice used Lincoln that says 120v.  I'll be able to use the 120v in my standard outlet right?Thanks for all the help!
Reply:They're all the same thing.
Reply:Thanks!  As soon as I posted that an electrician came into work and I asked him as well.
Reply:Originally Posted by DanaseI'm looking for a small welder to plug into my standard outlet.  I'm a little confused though.  I've been finding welders that say 110v, 115v and I just found a nice used Lincoln that says 120v.  I'll be able to use the 120v in my standard outlet right?Thanks for all the help!
Reply:Yes. The different voltages are because of different jurisdictions and basically where you come from. The machine will work over a range of voltages.
Reply:120 AC should be your standard househould outlet. The amps depending on the breaker you have.
Reply:When you run electric motors on the ragged edge of their performance curves the couple of percent difference in voltage matters but for transformers (welders) it just reduces your max output by that same percent.  Exceeding the voltage can overheat the windings, though.