Recessed Wiring Plasma TV Wall Box, Has Knockouts For Power Supply, Low Vage Cables Such As Telephone, Cable, Speakers & Surround Sound Installations, Works With New Or Existing Construction, Recessed So Plugs & Cables Do Not Protrude From Wall, Non-Metallic Box Includes Non-Metallic Textured/Paintable Trim Ring That Covers Cut Edge Of Drywall, Low Vage Separator Provided For Built In 2 Gang Device Box So Power & Low Voltage Can Be Combined.