31.		EN 50116 : information technology equipment: routine electrical safety testing in production / European Commitee for Electrothecnical Standardization Data Publicação: 1996 Tema: Normas
32.		Information technology : cabling installation: part 2: installation planning and practices inside buildings: DRAFT pr EN 50174-2: June 1998 / European Commitee for Electrothecnical Standardization Data Publicação: 1998 Tema: Normas
33.		EN 50098-2 : customer premises cabling for information technology: part 2: 2048 kbit/s ISDN primery access and leased line network interface / European Committee for Electrotechnical Standardization Data Publicação: 1996 Tema: Normas
34.		Application of equipotential bonding and earthing at buildings with information technology equipment : EN 50310: August 2000 / European Commitee for Electrothecnical Standardization Data Publicação: 2000 Tema: Normas
35.		EN 60950/A3 : safety of information technology equipment, including electrical business equipment: (IEC 950: 1991/A3: 1995, modified) / European Commitee for Electrothecnical Standardization Data Publicação: 1993 Tema: Normas
36.		EN 50098-1 : customer premises cabling for information technology: part 1: ISDN basic access / European Commitee for Electrothecnical Standardization Data Publicação: 1996 Tema: Normas