Taymac, Metal Low Profile, Vertical, In Use Cover, Box & Self Test GFCI TR Receptacle Kit, Outlet Box Is Constructed Of Commercial Quality Die Cast Metal, Patented Quick Fit Keyhole Mounting System Allows Cover Installation In Under A Minute, Includes Attached Gasket, Closure Plugs, & Lockable Tabs, Ready To Wire, Installation Instructions & Mounting Hardware Included, UL Listed & 2011 NEC Compliant, NEMA 3R Compliant, NEC - 2014 Compliant Article 406.9A & 9B, Extra Duty Rated.