This 50 Amp Replacement Receptacle by Progressive Industries is designed to, replace old, worn out molded receptacle ends found on extension cords adapter, and surge protectors. It is made out of a high impact nylon, and heavy-duty highly conductive metal components, which are better suited to handle the heat created by heavy loads than that of the molded-on variety. The sleek, compact design makes installation straightforward and easy. This 50 Amp model can accommodate either 8 awg / 4 conductor or 6 awg / 4 conductor S type cable. For outdoor use. 1 year warranty.