PNJ 150507A3 is a three pin (NEMA 5-15) "duplex" style electrical socket. It has two receptacles, one on the top and one on the bottom, with a ground tab in the middle. The housing is made of a tough, durable, high-temperature resistant thermoplastic, allowing it to withstand temperatures up to 175 degrees Fahrenheit. It is UL certified and meets all relevant electrical safety requirements. It is easy to install, and its wide mounting footprint makes it ideal for all medium to heavy duty applications.