Juno IC1 4-Inch IC-rated Recessed Housing features energy efficient Air-Loc sealed double wall construction housing which does not require separate Air-Loc gasket. Can be completely covered with insulation. Air-Loc housing with all trims stops infiltration and exfiltration of air, reducing heating and cooling costs. The IC1 comes with medium base porcelain socket with nickel-plated copper screw shell. Housing is vertically adjustable to accommodate up to a 1-Inch ceiling thickness. Aluminum housing is fully assembled for ease of installation. Shipped with socket cap to protect against overspray. Real Nail 3 bar hangers have a telescoping system with pre-installed removable nail for easy repositioning of housing in joist construction. Integral T-bar mounting feature for secure installation in suspended ceilings. Patented breakaway bars for tight joist spacing. Bar hangers may be re-positioned 90-Degree. Curved foot facilitates alignment with joist bottom. Quick-Loc slot and oversized set screw lock fixture in position. Pre-wired junction box with (6) 1/2-Inch and (1) 3/4-Inch knockouts with pryout slots, (4) non-metallic sheathed cable connectors, and ground wire. UL Listed, C-UL/CSA certified for through-branch wiring, maximum (6) No.12 AWG minimum 90-Degree Celsius branch circuit conductors (3 in, 3 out). Thermally protected against improper use of lamps. Conforms with City of Chicago IP requirements. IC1 comes one per package. For more than 30 years, Juno Lighting Group has been providing innovative solutions to your lighting challenges. Whether you need Juno, Indy or another of the six leading brands that form our family, you can rely on Juno Lighting Group for these important attributes: Products with superior quality and performance, Innovative and award-winning designs, Energy-efficient lighting solutions and advanced system controls, State-of-the-art technical expertise, Exemplary no-hassle service, and last but not least-people you can count on.