GE 52146 15A 125V Heavy Duty Grounding Plug with Metal Cord Clamp Heavy duty grounding plug Ideal for grounded power tools and other appliances For use with 3-wire cord from #16-3 to #12-3 AWG round type SJE, SJT, SJTW, SJEW,SJEOW, SJTOW Fits grounding (3-slot) outlets and connectors only