In other words, if your home garage only has 120V, no worries, you can still use the Spectrum 375 and cut up to 3/8 inch, but if your shop is wired for 240V, the Miller plasma cutter will up the ...

The first test was a piece of quarter-inch steel at 35 amps. The machine itself is rated to 50 amps. Sparks ensued, and with a little boost in amperage, it made a fair-looking cut.