TP286 Eaton Crouse-Hinds Octagon Outlet Box, (3) 1/2″, (2) 3/4″, 4″, Conduit (No Clamps), 1-1/2″, Hardened, (2) 1/2″, (2) 3/4″, Fixture Rated, Extension Ring, 15.5 Cubic Inch Capacity