EN 50083-3 [documento electrónico]. [cable networks for television signals, sound signals and interactive services] : documento electrónico: part 3: active wideband equipment for coaxial cable networks / European Committee for Electrotechnical Standardization
EN 50083-8 [documento electrónico] : cable networks for television signals, sound signals and interactive services: part 8: Electromagnetic compatibility for networks / European Committee for Electrotechnical Standardization
EN 50086 -2-4/A1 [documento electrónico] : conduit systems for electrical installations: part 2-4: particular requirements for conduit systems buried underground / European Commitee for Electrothecnical Standardization
EN 50098-1 [documento electrónico] : câblages dans les locaux des usagers pour les technologies de l'information: partie 1: accès de base RNIS / Comité Européen de Normalisation Electrotechnique