3-1/2″ Octagon Extension Box, 1/2″ KO’s, 1-1/2″ Deep

Description

The CM-3RB-50-EXT 3-1/2" Octagon Extension Box is a durable electrical box extension made from 16-gauge steel. It features a 1-1/2" depth and a cubic capacity of 11.5 cubic inches. The box includes a 1/2" knockout and a bracket (7-1/4" length, 3/4" width) with a 1/2" offset for mounting on the flat side of a stud or joist. It is fixture rated, comes with an extension ring, and meets UL standards. The box dimensions are 3.25" in height, 3.165" in width, and 3.165" in length, with a weight of 0.585 pounds. Ideal for various electrical installations, it belongs to the CM3RB series and the 3-1/2" Octagon Boxes category.