Sectional specification for backbone cables, riser and campus with a common overall screen for use in digital communication : EN 50169: October 1994 / European Commitee for Electrothecnical Standardization
EN 50173 : Information technology: generic cabling systems / European Commitee for Electrothecnical Standardization
Information technology : cabling installation: part 2: installation planning and practices inside buildings: DRAFT pr EN 50174-2: June 1998 / European Commitee for Electrothecnical Standardization
EN 50203 : automatic channel installation (ACI) / European Commitee for Electrothecnical Standardization