Duplex Cover 1G Dev Mt White Horizontal device mount. Weatherproof covers for protection of outdoor receptacles. State-of-the-art powder coat finish provides maximum weatherability and scratch resistance. Self-closing lids assure weatherproof protection when the receptacle is not in use. Includes installation hardware, gasket, and multi-lingual instructions. Size: 4-1/2" x 2-3/4". UL 514-A listed, File E195978 CSA C22.2 No. 18 NEMA 3R Rated.