GEK-S device installation duct suitable for installation on work tables etc. The visible surfaces of the painted GEK-S device installation ducts are covered with foil. The duct system has self-contacting locking tabs for holding a partition made of sheet steel. The potential equalization between the lower sections of the duct is carried out via the coupling. The protective measure and potential equalization between the upper section and the lower section is ensured by the self-contacting duct cover. The system opening is actually 76.5 mm. The upper section must be ordered separately.