For simplified installation, a pre-assembled light strip coupling for connection to another support profile is included in the scope of delivery. Length of the support profile: 2212.5 mm. With 7-wire through-wiring to divide the circuits and additional 7-wire through-wiring to support additional applications in the area of emergency lighting or light management. With 1 isolating plug upper part for tool-free, electrical connection of the device carriers. With two 7-pin socket-plug pairs for quick electrical connection and touch-safe termination of the cable ends. The heat-resistant through-wiring is completely installed at the factory with all necessary components. All connections are designed as quick connections with reverse polarity protection. The power can be fed in without accessories through an upper breakout opening (M20/PG13.5). The support profile body is made of hot-dip galvanized sheet steel. Surface coated white. Packaging unit 4 pieces.