The 608-SH/408-SH IC type shallow can housings is designed for both ceiling joists installations and drop ceiling (with T-bar grid) installations. It can be completely covered by thermal insulation. Also, the fixture may direct contact with any combustible material like ceiling joist or floor board safely. The 608-SH/408-SH is a Title 24 compliant, no screw based socket or other medium- based incandescent socket adapters are needed.