FeaturesMedium base porcelain socket with nickel plated copper screw shellDrop socket with spring to accommodate a wide variety of trim and lamp combinationsHousing is vertically adjustable to accommodate up to a 1 in ceiling thicknessHousing is fully assembled for ease of installationThermally protected against improper use of lamps or insulationPre-wired junction box with (5) 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 (8) 12 AWG branch circuit conductorsShadow-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 ceilingsReal Nail® 3 bar hangers feature patented break away bars for tight joist spacingIf installed where insulation is present, the insulation must be pulled back 3 in from all sides of the TC housing22 ga die-formed galvanized steel mounting frameA19/BR30/PAR20/PAR30/PAR30L/R20 lamps