Lamps NOT includedCeiling cut-out: 7-1/16 in. x 6-7/8 in. ovalPlaster Frame: 7-5/8in.W x 12in.LLamp: Max 90WUL, cUL listed for use in damp locationsJ-Box is listed for eight (4in - 4out) No. 12 AWG (90 degree C) through-branch conductors and has five 1/2in., one 3/4in. and four Romex knockouts with true pry out slots.Romex knockouts include built in strain relief - no additional clamps required.Pre-installed hanger bars allow housing to be positioned at any point within 24in. joist span. Score lines provided for easy field shortening to accommodate 12in. joist span.Hanger Bars are designed to fit on to T-Bar spine for quick alignment and can be permanently secured without the need of additional clips.Housing adjusts for ceilings up to 1-3/8in. thick7-1/2in. height allows use in 2in. x 8in. joist construction.Designed for sloped ceiling from 2/12 to 6/12 pitch.The socket swivels to align lamp direction.Sealed and gasketed construction limits air exchange between the ceiling plenum and heated or air conditioned areas - performance tested to ASTM-E283 (Washington State)2-year warranty