Masonry boxes are designed to accommodate the mounting of switches or other devices in masonry walls. 2 1/2 deep boxes are used in 4 block walls, 3 1/2 deep boxes are used in 6 or 8 block walls. Non gang able design. Device ears formed inside the box, preventing mortar from getting in the device holes. Rugged welded construction. Standard 1/2 & 3/4 concentric knockouts. Standard wall plates cover box opening. 2 1/2 deep.
