This NEMA 14-50R receptacle is made from durable thermoplastic material to provide high impact resistance and protect the outlet from long-term wear and tear. This industrial-grade receptacle is designed to perform in the most physically demanding applications. The material offers excellent heat resistance for applications close to high-temperature appliances. ENERLITES 50A receptacles are designed for quick wiring and easy installations. The 66500 outlet can be used in double-gang junction box setups.