The DHA-6 is a 6” aperture with one or two horizontal CFL lamps, for wide beam area and task lighting. This fixture is designed for use in non-insulated existing ceiling or for existing insulated ceilings where insulation can be kept 3” from all sides of the housing, and offers a wide beam area choice of trim types including reflector, lensed and wall wash trims. 20-gauge CRS mounting ring, painted black. 1-5/8” deep collar may use for various thickness of ceiling materials. Commercial mounting kit provided up to 5” vertical adjustment which accommodates 1/2” EMT conduit, optional HB-24 or HBC-24 bar hanger or lathing channels for T-bar grid or concealed spline ceiling. Listed for through branch circuit wiring.(Max.8 No 12 AWG 90° branch circuit conductions (4 in, 4 out)). (5)1/2” knockouts with pry-out slots and (4) Romex knockouts Multiple reflector & trim options (See soec sheet) G24Q/GX24Q socket for use 4 pin DTT, TTT lamps. Installed (4 pin or 2 pin) plastic lampholders in stamped galvanized steel housing attached on the reflector top. High Power Factor multi-volt electronic ballasts for 4 pin type compact fluorescent lamps mounted on J-box door for easy access form inside of fixture. Class P Thermally protected by internal fuse (3 amp fast blow). Dimming option available (See ordering information). C-UL listed for damp location, C-UL listed for feed through.