Miller THUNDERBOLT XL 225 AC 230V 50/60 HZ 715959208512 UPS System "wire welder power cord" Questions

...welder HOPEFULLY THIS DOES'NT SOUND LIKE TO DUMB OF A QUESTION, THIS MILLER THUNDERBOLT THAT I CAME ACROSS HAS A CUT POWER CORD. I HAVE A NEW PLUG FOR IT BUT I DONT KNOW WHICH WIRE GOES WHERE. THE ...