Compact 120 Volt AC Input Wire Welder If you need power from a common 120 volt input welder, the Easy 140 is the option you can use anywhere. With a simple two-knob control, the machine is easy to set up for use with gas-shielded cored wire welding for heavy gauge or deep penetration, or gas-shielded MIG welding for thin gauge steel on carbon, stainless or thin steel. aluminum. Compare its precise feeding, robust construction and comprehensive range of accessories.