TC Housing for remodel application where back side of ceiling is not accessible. Installs through an opening in the ceiling from below. Secured in place by factory installed remodel springs. Design for use in non-insulated areas. If installed where insulation is present, the insulation must be pulled back 3” from all sides of the TC housing. Lamp: Lamp ratings based on trim selected. Socket: Medium base porcelain with nickel-plated copper screw shell. Drop socket with spring to accommodate certain trim installation. Labels: U.L. listed for through-branch wiring, damp locations and IP: Product thermally protected against improper use of lamps or Insulation. Union made. UL Listed/CSA certified. Trims 210N, 211 and 212N are wet location approved for covered ceiling applications . Trims 215 and 216 are wet location approved for covered ceiling applications, when used with outdoor rated lamps. Testing: All reports are based on published industry procedures; field performance may differ from laboratory performance.