Thermally protected. UL listed for damp locations. UL listed for feed through. Keep non-IC housings at least 3" away from insulation. Adjustable socket mounting plate. Fast and easy installation in finished ceiling. Airtight housings are gasketed to prevent airflow from heated or air-conditioned spaces. All Airtight housings meet State of Washington restricted airflow requirements (WSEC code). Line Voltage fixtures are available for Par16, R20, Par20, A19 (lamp not included); or 120V 50W MR16 GU10 Twist and Lock Line Voltage Lamp. When using GU10 lamps, an adapting cable (AC-E26/GU10) is required. Lamp: R20/PAR16/PAR20/A19/GU10 Input Voltage: 120V Max Wattage: 50W Length: 12" Width: 4-5/8" Depth: 5-1/2" Cut Out: 4-3/8"