Recessed housing rated IC for new construction only. Approved for all ceiling and wiring types. Approved for direct burial in insulation. Construction: Air-tight standard. Tested to meet current energy codes. Aluminum housing with galvanized steel pan. Galvanized bar hangers span up to 24” o.c. and feature stepped shank nail and positioning guide with integral T-bar locks. Two locking screws hold fixture in position. Galvanized steel junction box with four built in romex clamps; five ½” and two ¾” knockouts with slots for pry out. Rated for through branch wiring. Maximum 4 (2in 2out) No 12 AWG conductors. Rated for 90° C. Ground wire provided. Removable J-box doors for easy access. Electrical: Durable medium base porcelain socket with nickel plated copper alloy screw shell and contact. Socket clips to top of housing to prevent paint over spray in socket screw shell. Socket attaches to reflector to ensure proper and consistent lamp position. Thermal protection provided against improper lamp usage. 120 volt only. Installation: Air-tight housing suitable for air-tight installations. Refer to energy codes for proper mounting installations. 2 x 8 wood joist or T-bar installation. Expandable bar hangers allow for off-center mounting in wood joist or T-bar ceilings. Length of 25-1/4” maximum 13-1/4” minimum or cut to fit 9” on center joist construction. Vertical adjustment of housing allows for flush mounting with ceiling face. Suitable for ceilings up to 1-1/2” thick. Listings: UL Listed to US and Canadian safety standards. Damp location listing.