Hubbell 187 Raco Drawn Extension Ring, 22.5 Cu-in, 4 in L X 4 in W X 1-1/2 in D, 4", Product Specific Sngl pk

RACO extension ring, drawn, 12 knockouts, 8 1/2 in Conduit side, 4 3/4 in Conduit side knockout, 4 in length, 4 in width, 1-1/2 in depth, square shape, surface mounting, 22.5 cu-in capacity, steel, Gray, galvanized, UL E195978. RACO 4 inch square x 1-1/2-inch deep, drawn, extension ring to attach to a switchbox. Each side has two 1/2 in. And one 3/4-inch knockout. The ring provides additional cubic capacity, and a means for connecting surface mounted Conduit raceways.