Design features -Meets NEC® 2014 406.9 (B)(1) Extra Duty requirement for any application -Rugged UV-resistant polycarbonate cover and back protects devices without cracking or breaking and is non-corrosive -Self-closing cover -1-Gang box includes 3 inserts for 16 different configurations -2-Gang box includes 3 inserts for over 60 different configurations -Box inserts accommodate decorator devices, duplex receptacles, and a variety of single receptacle sizes and toggle switches -Cover cord opening fits #12 AWG or lighter cord -Exceeds UL outdoor low voltage landscape lighting requirements -Box cover includes pre-mounted gasket