Lamps are NOT includedAIRTIGHT - meets IECC Energy Code. (Less than 2 CFM leakage at 1.57 PSI) Performance Tested per ASTM E283-84Ceiling Cut-Out: 5-3/4 in.Lamp: 75W MaxUL, cUL listed for use in damp locationsUL, cUL wet location listed with select trimsJ-Box is listed for eight (4in - 4out) No. 12AWG (90 degree C) through-branch circuit conductors and has five 1/2 in., one 3/4 in., and four Romex knockout with true pry out slots.Romex knockouts include built in strain relief - no additional clamps required.Includes eight 1/2-in. and four Romex knockoutsComes complete with four remodel clips to accommodate ceiling thickness from 3/8-in. to 5/8-in.7-1/4 in. housing height allows use in 2 in. x 8 in. joist construction.Sealed and gasketed construction limits air exchange between the ceiling plenum and heated or air conditioned areas - performance tested to ASTM-E283 (Washington State)Snap-in medium base socket for tool-less installation in trims requiring socket relocation.Meets State of California Title 24 requirements2-year warranty.