EXTRA DUTY RATED: Get maximum toughness and protection. Our Hubbell EXTRA DUTY WRTR 15A Self-Test GFCI Outlet for home improvement is EXTRA DUTY rated and UL listed for wet and damp locations. EASY TO INSTALL: Set up your outdoor outlet cover in no time at all. Our Quick-Fit keyhole mounting system allows installation in under a minute with a EZ Change Pin for horizontal or vertical mount. TAMPER-RESISTANT: Enjoy added safety with our GFCI electrical outlet. It's weather-resistant and tamper-resistant to help maintain safety and keep inquisitive children from getting into accidents. QUALITY CONSTRUCTION: Our socket cover for outlets is built from high-impact polycarbonate for maximum durability. You have more room for electrical cords and it includes gasket and mounting hardware. SAFE AND SECURE: Our weatherproof cover is tested and certified to cULus and NEMA standards. The lockable tab can be secured with a full-size padlock while your appliances are plugged in and running.