Cable routing duct made of sheet steel LFS 30x45mm traffic white. Electrical installation duct system Cable routing duct made of sheet steel in accordance with DIN EN 50085-1 for laying cables. Duct bottom/top with pre-punched holes in the bottom at 200 mm intervals. Couplings for the equipotential bonding of the duct bottoms and for simple and precise duct connections. When installed overhead, the duct must be mounted using sheet steel clamps. Note: Potential equalization, earthing, sound and fire protection measures must be carried out professionally.