RACO 4" Galvanized Steel Octagon Electrical Box with Bar Hanger

The RACO® four-inch Galvanized Steel Octagon Electrical Box is 1-1/2 inches deep. It features 1/2-inch side knockouts and an adjustable bar hanger.
Features
Use for installing ceiling or wall lighting fixtures
Use for exposed or concealed wall or ceiling applications
Integral clamps for nonmetallic-sheathed (NM) cable
10 lb maximum static fixture support load
With appropriate fittings, box may also be used with conduit and metal-clad (MC) cable
Combination screw heads provided for faster installation
Not designed for ceiling fan support
Bar hanger expands from 14-1/4" to 22-1/2" for a large variety of framing