Raco 4 In. x 1-1/2 In. Steel Octagon Extension Ring

Raco Drawn Octagon Electrical Box Extender, the perfect choice for your ceiling or wall lighting fixture installations! This electrical box extender provides 15.5 additional cubic inch capacity to an existing electrical box. Measuring 4 In. by 4 In. with a depth of 1-1/2 In., our octagon box extender provides ample space to house your electrical connections. With (2) 1/2 In. knockouts and (2) 3/4 In. knockouts, wiring your fixtures has never been easier.