Patent ID: 7465901

Claim:
A system for connecting a welding-type apparatus to alternate power supply configurations comprising: a power cord connected to a transformer of a power source, the power source constructed to generate a power signal suitable for welding-type applications; an adapter having a first end and a second end opposite the first end, the first end having a plurality of prongs extending therefrom, the plurality of prongs configured to engage an electrical supply outlet, and the second end constructed to removeably engage the power cord, the second end having a number of receptacles connectable to the power cord that is greater than a number of the plurality of prongs of the first end; wherein the power cord includes a number of wires extending therethrough equal to the number of receptacles of the second end of the adapter and wherein none of the number of wires are connected in common; and wherein all of the number of wires remain electrically isolated when the adapter is engaged to the power cord.