Adding in fancy new tools like CNC plasma cutting and computer-aided drafting doesn’t change that much, although new methods often do call for a little improvisation. Getting several ...

Plasma arc cutting (PAC) is a thermal cutting technique ... Remarkably, the introduced arc ionizes the gas coming out of the nozzle, which in turn generates plasma with extremely high temperatures.

His add-on box intercepts the ground clamp — which is actually the positive conductor for plasma cutting — and switches it through a heavy-duty HVAC contactor. The 24 VDC coil of the contactor ...