I believe my old VFD was toasted by lightning a few years ago and replaced it. It is 120 volts. The saw was wired with an "ON/OFF" switch thru the VFD and a "Power" switch on the power feed to the VFD. I replaced the power switch with a DPDT switch so lightning would not be able to fly in thru the white wire. I turn the power switch on when using the saw so it's off 99% of the time. Any value to this type of switch?