Feature List Housing Double walled aluminum construction housing provides for installation in insulated ceiling application. Housing height allows for use in 2" × 6" joist construction.Junction Box Listed for through branch circuit wiring. Maximum eight no. 12 AWG 90°C branch circuit conductions (four in and four out). Five 1/2" knockouts with true pry-out slots and four knockouts with Romex® cable clamp. Ground wire is provided on J-Box. Three “quick connects” for fast and easy wiring. Mounting Frame Constructed of galvanized steel with an adjustable trim collar to accommodate ceilings up to 1-1/4" thick.Hanger Bars - 4 Sides With a maximum extension of 25", these hanger bars can be placed on all sides and allow excess distance between joists. Housing can be positioned at any point along the joist span and secured in place with oversized locking screw. Score lines on the hanger bars allows for tool-less shortening for 12" joists. Integral T-bar clips easily snap onto T-bars.Thermal Protection Self resetting thermal protector deactivates fixture if overheating occurs due to improper lamping or misapplied insulation.Socket Ceramic socket for medium base MR16 E26, PAR16 or PAR20 lamps.Lamps MR16 E26, 50W max.LED PAR16 PAR20; 50W max.LED PAR20Listing cETLus listed for damp locations; cETLus listed for feed through; Air tight in compliance with ASTM E283.