HBL5206WO is a weatherproof accessory plate designed for 15 ampere Twist-Lock® duplex and single receptacles, featuring a cast aluminum construction with IP44 ingress protection rating. This plate is specifically engineered for FS/FD (flush/flanged) box mounting applications, providing a durable and corrosion-resistant interface between the receptacle and the mounting surface. The cast aluminum material ensures long-term reliability in outdoor and wet environments where moisture and environmental exposure are concerns. HBL5206WO is commonly used in industrial, commercial, and outdoor installations where weatherproof protection and secure mounting of Twist-Lock® receptacles are required.