Conduit systems for electrical installations : part 2-3: particular requirements for flexible conduit systems: EN 50086 -2-3: May 1995 / European Commitee for Electrothecnical Standardization
DRAFT EN 50160 prAA : voltage characteristics of electricity supplied by public distribution system / European Commitee for Electrothecnical Standardization
ISO/IEC 11801 (2002) AND EN 50173 (2001) - A guide to the final development process : CD 100-1 / The Cabling Partnership
EN 50203 /A1 : automatic channel installation (ACI) / European Commitee for Electrothecnical Standardization