Tamper and weather resistant commercial grade duplex receptacle with a UL Listed shutter system, back and side wiring. -4 to 158 degrees F temperature rating. Withstands 2000 volts per UL498. Body is thermoplastic nylon, the strap and terminal clamps are nickel plated steel. The contacts are a brass alloy. UL Listed to UL498, UL Certified to CSA C22.2, no. 42, UL verified to Fed. Spec. WC-596G, and NOM/ANSI Certified. Meets UL 94 flammability requirements; V2 rated. TR and WR designations provide visual identification. UL, cULus Listed.