Leviton 5976-GY 1-Gang Raintight While in Use Standard Cover, for Duplex Receptacles, Vertical Mount, Gray Base and Cover (Old Model) Impact-resistant thermoplastic covers and bases Tongue and groove plate-to-cover construction Pre-installed gasket for easy, reliable installation Offset device opening (horizontal only) for easier cord exit Full compliance with UL, CSA and NEC section 410-57 requirements for damp and wet locations with cover closed