Pass Seymour® While-in-use weatherproof cover. Comply with NEC 2005 Section 406.8(B)(1) for wet locations covers and conforms to NEMA 3R. Covers are self-closing as required by UL514C42.3. Covers mount vertically or horizontally. Body, cover and plates made of polycarbonate. Gasket made of closed cell foam, neoprene blend regular density, UL Rated HBF. Mounting screws made of 302 stainless steel. Single receptacle plate in 1.405 and 1.595 inch openings. Deep model for 20 A locking plugs. Shallow covers accommodate up to 14/3 AWG extension cords. New trigger latch opens easily with one finger.