WeatherBox 1-Gang Covers Exclusive patented design protects against rain, snow and ice. Rugged UV Resistant Polycarbonate cover and back protects devices without cracking or breaking and is non-corrosive and nonconductive.FEATURES: • Meets 2014 NEC® 406.9 (B)(1) extra duty requirements for any application• Rugged UV-resistant polycarbonate cover and back protects devices without cracking or breaking and is non-corrosive and non-conductive• Self-closing cover• Box inserts accommodate decorator devices, duplex receptacles and a variety of single receptacle sizes and toggle switches• 1-Gang box includes 3 inserts for 16 different configurations• Cord cover opening fits #12 AWG or lighter cord• Includes pre-mounted gasket