This 4-inch octagonal electrical box features a durable steel construction with a silver finish, offering long-lasting performance and corrosion resistance. It is designed for enclosing electrical connections or supporting lighting fixtures. The integrated side bracket with guides and picks allows for secure and efficient mounting to wall studs or ceiling joists, making it ideal for both new construction and retrofit applications. It includes non-metallic cable clamps and 1/2 conduit knockouts.A 4-inch octagonal steel electrical box with a 1-1/2 inch depth and a cubic capacity of 15 cu in. It features a side bracket for mounting and includes non-metallic cable clamps. The box has two 1/2 knockouts for cable entry and is suitable for wall or ceiling mounting. It is CSA 5043 certified.