FeaturesAdjustable socket plate and detachable socket with snap-in springs to accommodate various lamp and trim combinationsMedium base porcelain socket with nickel plated copper screw shellHousing is vertically adjustable to accommodate up to a 1 in ceiling thicknessShadow-free, knife edge trim design blends smoothly into the ceilingReal Nail® 3 bar hangers telescoping system with pre-installed removable nail for repositioning and integral T-bar mounting feature for suspended ceilingsPatented (US Patent D552, 969) Real Nail® 3 bar hangers feature patented break away bars for tight joist spacingPre-wired junction box with (5) 1/2 in and (1) 3/4 in knockouts with pry-out slots, (4) non-metallic sheathed cable connectors and ground wireUL listed, cUL, CSA certified for through branch wiring, maximum (8) 12 AWG branch circuit conductorsThermally protected against improper use of lamps or insulationEnergy efficient, sealed housingCan be completely covered with insulationWhen used with Air-Loc® gasket, stops infiltration and exfiltration of air, reducing heating and air cooling costs22 ga die-formed galvanized steel mounting frameA19/BR30/BR40/PAR16/PAR20/PAR30/PAR30L/PAR38/R20 lampsThe IC rated housing can be completely covered with insulationOffers energy efficiency with an Air-Loc® installation to stop infiltration and exfiltration of air, reducing heating and cooling costs