This standard specifies the dimensions and technical delivery conditions for pipes and fittings of polypropylene (PP) for buried cable ducting. It is directed at manufacturers and users of polypropylene (PP) buried cable ducting. It is intended to provide the user with a delivery standard which includes all necessary dimensions and the technical delivery conditions for polypropylene (PP) cable ducting and fittings. In particular, the standard covers aspects of quality. The committee responsible for this standard is NA 054-05-07 AA "Schutzrohrsysteme" ("Piping systems for ducting") at DIN.