Hubbell Raco octagon box is made of galvanized steel for added durability and strength. It measures 2.188 inch x 4 inch x 4 inch x 2.125 inch. It comprises a cubic capacity of 21.5 cubic inch for providing efficient operation. Box features a non-metallic sheathed cable clamp and is ideally used in installation of ceiling or wall lighting fixtures. It has a depth of 2-1/8 inch and diameter of 4 inch for authentic performance. It provides provision to one bottom and six side knockouts that are apartment for cables or conduits.