270RAC 4" Concrete Ring, Octagon, 2" Deep, 1/2 - 3/4" KOs, Steel

4 Inch Concrete Ring, 2 In Deep, Single Row Knockouts: 1/2 and 3/4 Inch, Cubic Inches: 24.5, Steel

Raco's concrete rings are used with poured deck (floor) in high-rise construction. These boxes are installed on wooden or steel concrete forms. After the forms are removed, the box is flush with the concrete.

Product Specification :

• Single row of 1/2 in. and 3/4 in. knockouts
• Flat sides provide excellent contact for locknuts
• External ears are used to nail the ring to the wood form
• Top cover is removable for before-pour work
• Waxed fixture ears prevent concrete from interfering with the threads
• Ears on inside of box are for fixtures
• Support a light fixture up to 50 pounds
• 24.5 cu. in. capacity
• N/A