14 ¼” wide X 28” tall X 4” deep. This white universal interior mount cabinet includes a screw-on door. This cabinet is designed to accept most major modules such as Leviton, OnQ, Suttle, and others. Easily mounts between standard 16" on center studs and adjusts to varying wall finish thicknesses. The cover mounts flush to the wall. Knockouts are provided on all four sides and back for 1" to 1 ½" conduits and an AC power box knockout is provided on the bottom. Included with each box are four snap-in grommets to protect wires, a cardboard overspray shield, and four mounting screws.