The TORK Turtleâ„¢ XD110C In-Use Weatherproof Outlet Cover is a rounded polycarbonate shell designed to protect single-gang outlets from water infiltration. The incredibly versatile design is suitable for vertical or horizontal mounting and fits sixteen different outlet configurations, with large and convenient cord knockouts. Install outdoors or indoors, in residential or commercial applications, wherever water resistance is needed. A design from nature, built to resist nature, the TORK Turtle is the UL-tested extra-duty cover built to last in harsh environments.