Raco Electrical Box,Ext Ring,29.5 cu. in. 250

Extension Ring, Box Type Square, Number of Gangs 2, Bracket Type -, Capacity 29.5 cu in, Material Galvanized Steel, Number of 1/2 In. Back Knockouts 0, Number of 1/2 In. Side Knockouts 8, Clamp Type -, Number of 3/4 In. Side Knockouts 4, Nominal Depth 1 1/2 in, Nominal Length 4 11/16 in, Nominal Width 4 11/16 in, Color Silver, Standards CSA, ULHubbell-Raco 250 Drawn 1-1/2-Inch Deep-Inch Square Extension