Extra Duty While in Use Single Gang Horizontal Device Box with Cover 316

Robroy Stainless Extra Duty While-In-Use (WIU) Covers are precision-engineered from 316 stainless steel to deliver superior corrosion resistance and reliable protection in harsh environments. Designed for use in wet or outdoor locations, these covers safeguard GFCIs, switches, and duplex receptacles while maintaining electrical continuity and environmental sealing. Each cover includes a neoprene gasket and 316 stainless steel hardware, and meets UL 514D, UL 50E, and CSA C22.2 No. 42.1-13, Type 3R standards. Available in vertical and horizontal configurations.