Crouse-Hinds TP284 Steel Extension Ring 4-Inch x 4-Inch x 1-1/2-Inch 15.5-Cubic-Inch

Crouse-Hinds Extension ring is perfect for use with 4-Inch octagon steel outlet box. This 1-1/2-Inch deep extension ring features steel construction. It measures 4-Inch x 4-Inch x 1-1/2-Inch. Octagon extension ring with four 1/2-Inch side knockouts, features fixture bar hanger that allows box to be located anywhere along length of the bar. Fixture rated extension ring has capacity of 15.5-Cubic-Inch. Extension ring is UL listed.