RYP2099 Features: * Double Wall Fluorescent Bulb * Thermally protected against improper lamping * High power factor (HPF) ballast for 4-pin type lamps installed * J-Box listed for through-branch circuit wiring (4 in-4 out), five 0.5"" knockouts and four non-metallic cable knockouts with strain clamps * 3 Port quick connectors pre-installed in J box * Pre-installed bar hangers allow the housing to be positioned at any point within a 24"" joist span * Bar hangers can be turned 90 on the plaster frame * Bar hangers are designed to fit T-bar spine without additional clamps for use in drop ceilings * Pre-installed captive nails on bar hangers * Adjusts to accommodate up to 1.25"" ceiling thickness * IC rated for direct contact with insulation * UL, cUL listed for damp location and feed through wiring * Meets Washington state energy code for restricted airflow requirements Specifications: * 120/277 Volts