Installation Recessed in suspended ceilings with visible T-bars, VTB (15 or 24 mm). Unventilated or ventilated building elements. Connection Connection in separate ballast box. Snap-in terminal block 3x1,5 mm² (x2), through-wiring possible. 5x1,5 mm² (x2) when dimming. Can also be supplied with mains cable and earthed plug or chassis mounted snap-in connector. The luminaire housing and driver are connected via a Quick Connection System. Design Solid Board luminaire body, hard recycled paper material. White visible surface. (RAL 9016). Louvre Delta – microprism louvre in UV stabil polystyrene.