HD 624 .3 S1 : March 1994: materials used in communication cables: part 3: PE insulation / European Commitee for Electrothecnical Standardization
HD 624 .7 S1 : March 1994: materials used in communication cables: part 7: halogen free flame retardant thermoplastic sheathing compound / European Commitee for Electrothecnical Standardization
HD 624 .1 S1 : March 1994: matériaux utilisés dans les câbles de communication: partie 1: mélanges en PVC pour enveloppes isolantes / Comité Européen de Normalisation Electrotechnique
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