Wall Box w/ 6 GPCFlush Wall Boxes, sometimes called Wall Pockets, are designed to be permanently mounted in the stage walls, flush with the wall surface. These boxes provide safe temporary connection for theatrical luminaires, minimizing cable crossings. When not in use, the hinged cast aluminum cover remains flush with the stage wall, yet lifts easily to insert or remove the cable connector. Flush Wall Boxes are available in a multitude of configurations and designs