TayMac, Clear, 2 Gang In Use, 55 In 1, Standard Outlet Cover, High Impact Polycarbonate Construction Provides Maximum Durability, Patented Quick Fit Keyhole Mounting System Allows Installation In Under A Minute, Includes Attached Gasket & Mounting Hardware, Base Configuration With Patented Knock Out Technology For Custom Fitting, Lockable Tab, UL Listed, 2011 NEC Compliant, Article 406.8(B) (1), NEMA 3R Compliant.