Flexible, reliable, and easy to install. The non-insulated ceiling recessed housing is the best choice for residential and commercial applications. It is the standard in the industry with a wide variety of trims that allow for different lighting effects from one basic housing. This fixture is suited for non-insulated ceilings, but if ceiling insulation is present, it must be kept three inches from the fixture on all sides. The 7-1/2 inch height allows installation in 2x8 joist construction. This housing is designed with hanger brackets that can be broken off from the plaster frame and repositioned 90 degrees to simplify clearance for wiring or eliminated to facilitate remodeling. The easy-to-read scale on the adjustable socket plate allows uniform lamp positioning. This housing fixture adjusts in plaster frame 1-3/8 inch to accommodate different ceiling thicknesses.