Instead of hanging down from the ceiling like conventional fixtures can lights extend up into the attic so that the only part you see is the front edge of the.
Insulation around recessed ceiling lights.
The letters ic stand.
How to insulate around can lights.
The recessed lights in my house are accessible from the attic but there s no insulation around them because it says on the fixtures that they need to vent the heat generated by incandescent bulbs.
Insulation is treated with chemicals to make it flame resistant but it can still ignite if left next to a source of high heat such as a non ic recessed lighting canister.