This document provides specifications for the RM851 Series high abuse recessed fixture for grid ceilings. It can be used with compact fluorescent or induction lamps. The fixture has a heavy gauge steel or aluminum housing, specular aluminum reflector, and prismatic tempered glass lens. It is UL listed and suitable for damp locations. Induction lamp options provide reduced maintenance costs and lifetime of 40,000+ hours. Dimensions are 16" square with a 10" recess.