HD 624 .0 S1 : November 1997: materials used in communication cables: part 0: general / European Commitee for Electrothecnical Standardization
HD 624 .1 S1 : March 1994: materials used in communication cables: part 1: PVC insulation compounds / European Commitee for Electrothecnical Standardization
HD 624 .2 S1 : March 1994: materials used in communication cables: part 2: PVC sheathing compounds / European Commitee for Electrothecnical Standardization
HD 624 .2 S1 : March 1994: matériaux utilisés dans les câbles de communication: partie 2: mélanges en PVC pour gainage / Comité Européen de Normalisation Electrotechnique