FeaturesFully sealed Air-Loc® housing, double wall constructionMedium base porcelain socket with nickel plated copper screw shellVertically adjustable to accommodate up to a 2 in ceiling thicknessShadow-free, knife edge trim design blends smoothly into the ceilingShipped with socket cap to protect against paint overspray ceilingsPatented (US Patent D552, 969) Real 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 (6) 1/2 in and (1) 3/4 in knockouts with pryout slots, (4) non-metallic sheathed cable connectors and ground wireUL listed, cUL, CSA certified for through branch wiring, maximum (6) 12 AWG minimum 90 deg C branch circuit conductorsThermally protected against improper use of insulation and lampsEnergy efficient, sealed inner housing does not require separate ALG gasketAir-Loc® housing stops infiltration and exfiltration of air, reducing heating and cooling costsCan be completely covered with insulation22 ga die-formed galvanized steel mounting frameInner housing is vertically adjustable to accommodate up to a 1-3/4 in ceiling thicknessA19/R14/R16/R20/PAR16/PAR20 lampsThe IC rated housing can be completely covered with insulation