For accent and task lighting where housing will be in direct contact with ceiling insulation. Air-tite fixture sealed and gasketed to prevent airflow between unconditioned areas and living areas. Integral thermal protector guards against misuse of insulation materials and improper lamping. Junction box with integral strain relief. Pass-N-Thru tool-less shortening of bar hangers. Housing can be removed from plaster frame for junction box access. UL Listed for direct contact with insulation. CSA Certified.IP Rated.