The Taymac Single Gang While In Use 16-In-1 Jumbo Cover is designed for use whenever weatherproof protection is required while an outlet is in use. High-impact polycarbonate construction provides maximum durability. Patented Quick-Fit™ keyhole mounting system allows installation in under a minute. Includes attached gasket and mounting hardware. Pre-configured for GFCI with patented Knockout technology for alternate devices. UL Listed File E116141. NEMA 3R Rated. NEC 2014 Compliant (article 406.9A).