Sectional specification for horizontal floor wiring cables with a common overall screen for use in digital communication : EN 50167: October 1994 / European Commitee for Electrothecnical Standardization
Sectional specification for work area wiring cables with a common overall screen for use in digital communication : EN 50168 October 1994 / European Commitee for Electrothecnical Standardization
EN 50173 : Information technology: generic cabling systems / European Commitee for Electrothecnical Standardization
Information technology : cabling installation: part 1: specification and quality assurance: DRAFT pr EN 50174-1: June 1998 / European Commitee for Electrothecnical Standardization