Conduit systems for electrical installations : part 2-1: particular requirements for rigid conduit systems: EN 50086 -2-1: May 1995 / European Commitee for Electrothecnical Standardization
Conduit systems for electrical installations : part 2-2: particular requirements for pliable conduit systems: EN 50086 -2-2: May 1995 / European Commitee for Electrothecnical StandardizationCENELEC
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
Electrical installations of buildings : part 3: Assessment of general characteristics: (IEC 364-3: 1993, modified): HD 384.3 S2: June 1995 / European Commitee for Electrothecnical Standardization
Electrical installations of buildings : part 4: protection for safety: chapter 44: protection against overvoltages: section 442: protection of low-voltage installations against faults between high-voltage systems and earth: HD 384 .4.442 S1: January 1997 / European Commitee for Electrothecnical Standardization