Intermatic WP5500C Extra Duty Plastic Weatherproof Cover, 4.75-Inch Double Gang, Clear/Gray Double-gang models include 3 patented inserts that create 70 different combinations 30/50 amp cord size Reinforced hinge pin designed to exceed 40 lb hinge hang/stress test Impact rated: 12 lb impact test to ensure cover remains intact Meets requirements for cold impact testing: -60 DegreeF (-51 DegreeC)