In the case of the raw installation in residential buildings, all cables for the planned equipment are laid. General principles and regulations for cable routing are laid down in DIN 18015-1 and DIN 18015-3 , while the Model Pipeline System Directive (MLAR) specifies fire protection requirements for certain areas. In addition to the cables for energy and data transmission, the pipeline network also includes all line pipes, installation ducts and shafts, junction boxes and installation boxes.
Source: bauwion
