Installation Luminaire for mounted in ventilated or unventilated suspended ceilings. Installed in suspended ceilings with visible T-bars, VTB (25 or 15 mm) or one-piece suspended ceilings. Connection Connection by means of a connection box on top of the luminaire. Wieland Chassis connector 3-way (GST 18i3), with dimming 5-way (GST 18i5). All luminaires can be single or continuous installed. The luminaire units are interconnected with a connection cable in the connection box. Design Luminaire body in natural anodised, extruded aluminium or white enamelled (RAL 9016). With continuous installation an unbroken line of light is achieved. 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 Miscellaneous Accessories and cables, see Accessories.