Basic profile corner duct 115x110 top part 80mm traffic white. Duct bottom part for the electrical installation duct system parapet duct made of sheet steel in accordance with DIN EN 50085-1 as device installation duct. With bottom perforation for direct wall mounting and additional rectangular perforation for tool-free fastening of the duct using clip technology on brackets. With front-locking, tool-free device installation for fastening devices, device installation boxes with quick fastening. With top part width 120 mm C-profile device installation. Couplings for potential equalization as well as for simple and precise duct connection, partition walls and cable retention clips available as accessories. Note: Potential equalization, earthing, sound and fire protection measures must be carried out professionally.