TAYMAC nonmetallic in-use device covers provide weatherproof protection when an outlet is in use. In-use covers are made are made from high-impact polycarbonate construction providing maximum durability. An attached gasket, mounting hardware and installation instructions are included. Patented quick-fit keyhole mounting system allows cover installation under a minute Pre-configured for GFCI with patented knock-out technology for alternate devices Horizontal or vertical mount Lockable tab (1/4 in. shackle) Extra duty rated 16-in-1 configurations 2-3/4 in. deep NEMA 3R compliant