EN 50085 -1 : February 1997: cable trunking systems and cable ducting systems for electrical installations: part 1: general requirements / European Commitee for Electrothecnical Standardization
EN 50085 -1/A1 : October 1998: cable trunking systems and cable ducting systems for electrical installations: part 1: general requirements / European Commitee for Electrothecnical Standardization
EN 50102 : 1995: degrees of protection provided by enclosures for electrical equipment against external mechanical impacts (IK code) / European Commitee for Electrothecnical Standardization
Coaxial cables used in cabled distribution networks : part 5: sectional specification for indoor drop cables for use in networks operating at frequencies between 5 MHz and 2150 MHz:: EN 50117 -5: April 1997 / European Commitee for Electrothecnical Standardization