Installation Surface mounted. Connection Connections are made at the end of the luminaire and are concealed by the end-cap, with the option of cable entry in the end caps and the middle of the luminaire. 5-way, snap-in terminal block in each end cap with the option of 1-phase through-wiring (excluding e-Sense). Design Luminaire body in sheet steel, white enamelled (RAL 9016) end-caps in polypropylene plastic. Louvre Beta Opti – double parabolic reflector louvre with satin matt metallised aluminium side and cross-blades with an integrated opal film that minimises the risk of uncomfortable glare from the diodes. Dimming Most models can be equipped with other ballasts for lighting control.