Marshalling duct cover profile made of PVC for RK 150x110mm pure white. Electrical installation duct system Marshalling duct RK made of plastic as a transition between laid cables or installation ducts and distribution cabinets. Marshalling duct profile with plug-in lugs for profile holders and rear wall as well as predetermined breaking points for notching installation ducts for depths of 40, 50 and 60 mm.