The Sealproof Deep 1-Gang In Use Weatherproof Electrical Outlet Cover is UL Extra Duty Compliant with a patented multi-configuration design. 1 It is made of a Durable Polycarbonate Construction. Lockable, and easy to install, it is 5-1/4" deep and includes a gasket and mounting hardware. Gang Can be used horizontally or vertically, providing use perfect for up to 18 configurations, whether GFCI, Duplex, Switch or a Round Configuration of 1-1/4”, 1-3/8”, 1-9/16”, 1-5/8”, 1-11/16”, or 2-1/8”. NATIONAL ELECTRICAL CODE 2014 EDITION 406.9 Receptacles in Damp or Wet Locations (B) Wet Locations. (1) Receptacles of 15 and 20 Amperes in a Wet Location. 15- and 20-ampere, 125- and 250-volt receptacles installed in a wet location shall have an enclosure that is weatherproof whether or not the attachment plug cap is inserted. An outlet box hood installed for this purpose shall be listed and shall be identified as “extra-duty.” All 15- and 20- ampere, 125- and 250-volt nonlocking-type receptacles shall be listed weather resistant type. *Outlet box and receptacle not included*