Juno 5" Universal Incandescent Recessed Housing is double-wall constructed and may be installed from below through a 5.5 hole. It can be completely covered with insulation and vertically adjusts to accommodate up to a 1-inch ceiling thickness. The Bar hangers may be repositioned 90 degrees. A thermal protector ensures automatic shutdown if improper bulb wattage is used. Meets Washington State IECC and MEC codes and conforms with City of Chicago IP requirements. UL listed.