3-1/2″ Deep 3-Gang Masonry Box

Description

The CM-MB-3 3-1/2" Deep 3 Gang Masonry Box is a robust steel electrical box designed for masonry applications. With a cubic capacity of 69.3 cubic inches, it measures 3.75 inches in height, 5.3125 inches in width, and 3.5 inches in depth. Weighing 1.45 pounds, this non-insulated box features welded construction and 19 knockouts (CKO). It mounts directly to the wall and meets UL standards. Ideal for heavy-duty use, it supports a weight of 155 pounds per 100 units. Part of the CMMB3 series, it is perfect for securely housing electrical connections in masonry walls.