From the Manufacturer Switch/Outlet Box; Old Work; 1 Gang; 4-1/8-Inch Length; 2-1/4-Inch Width; 2-3/4-Inch Depth; 14 Cubic-Inch Capacity; PVC Material; Blue Color; Swing Clamp And Ears Mounting; For Use With Non-Metallic Sheathed Cable; Suitable For Masonry Walls; UL Approval.