The CB-12P Classroom Ceiling Enclosure is designed for classrooms with projectors. The 'P' version of the CB-12 features the addition of an industry standard 1½" NPT fitting to hang up to a 50 lbs. projector (including mount), while also supporting a maximum load per shelf of 20 lbs each. This amazing 1' x 2' enclosure drops into any standard drop ceiling installation and provides electrical connections, AV equipment installation and AV and Data signal routing above the ceiling. The Ceiling Enclosure has a projector receptacle facing the room, 3 additional un-switched receptacles inside the enclosure and shelves (Maximum load per shelf of 20 lbs each) to mount two ½ rack pieces of equipment. The cover is a white trim ring, similar the ceiling grid, that holds a matching ceiling tile for a finished look. An optional fan kit is available.