Carlon 4-1/4 in. Round Old Work Ceiling Box

The Carlon 4-1/4 in. Round Old Work Ceiling Box is engineered to provide a secure and dependable housing for ceiling fixtures and junction connections in retrofit applications. Constructed from rugged, high-temperature-resistant polycarbonate, this non-metallic box will not conduct electricity or rust, ensuring long-lasting durability across residential and commercial electrical installations. Designed for easy installation in existing ceilings and walls, this old work electrical box features integral swing clamps and zip-mount retainers that grip drywall securely without requiring extra framing hardware. It is UL listed, providing reliable performance and full compliance with standard electrical safety codes.