IC Air-Loc Housing. Energy efficient, sealed housing. Can be completely covered with insulation. When use with Air-Loc Gasket, stops infiltration and exfiltration of air, reducing heating and cooling costs. Trims shown with Air-Loc symbol do not required a gasket. Lamp: Lamp ratings based on trim selected. Socket: Medium base porcelain with nickel-plated copper screw shell. Floating socket with spring attaches to trim for installation. Shipped with socket cap to protect against paint overspray. 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. Trim V2010 is wet location approved for covered ceiling applications. Trims V2015 and V2016 are wet location approved for covered ceiling applications, when used with outdoor rated PAR lamps. Testing: All reports are based on published industry procedures; field performance may differ from laboratory performance.