The non-IC housing is designed for use in non-insulated areas or where insulation is spaced at least 3 inches from the housing. • Detachable medium base porcelain socket with nickel-plated copper screw shell • Vertically adjustable to accommodate up to a 1-1/4-inch ceiling thickness • Steel housing is fully assembled for ease of installation • Thermally protected against improper use of lamps or insulation • Pre-wired junction box with five 1/2-inch and one 3/4-inch knockouts with pryout slots, 4 non-metallic sheathed cable connectors, and ground wire • Shadow-free, knife-edge trim design blends smoothly into the ceiling • UL Listed, cUL, CSA Certified for through-branch wiring, maximum 8 No. 12 AWG minimum 90 degrees C branch circuit conductors: 4 in, 4 out • Real Nail® 3 bar hangers: telescoping system with pre-installed removable nail for repositioning and integral T-bar mounting feature for suspended ceilings • Real Nail® 3 bar hangers feature patented break-away bars for tight joist spacing