I just picked up a used fastcut plasma table. I have a g3 1000 that I'd like to hook up to it. Looks like previous owner had a powermax 45. There are two wires hanging off the bottom that he had labeled j21 and j19, these are for arc voltage sensing and do go to the power supply according to previous owner. Is there a schematic for arc voltage so I can get these hooked up properly?

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