Thank you all for your help, my dad is a safety superintendent for a big chemical plant and he supervises the pipe fitter out there, took the wiring diagram and info off the machine to his master electricians who also happen to be welder, the likelihood of me using this machine where it’s at to it’s...

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Hello, new the page but have been trolling in the shadows for a good long while. I went and bought a Lincoln square wave TIG 255 this morning from an old woman I knew whos husband was a welder and passed away and she was selling some of his old equipment, anyway, she was selling off a square wave 25...