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Switching devices for railway traction network and power substations earthing. General specifications
Document status: Active
Porcelain and glass pin-type insulators for voltage 1-35 kV. General specifications
Document status: Active only in RF
Explosion-protected electrical apparatus. Part 12. Classification of mixtures of gases or vapours with air according to their maximum experimental safe gaps and minimum igniting currents
Document status: Cancelled
Explosive atmospheres. Part 29-4. Gas detectors. General technical requirements and test methods of open path detectors for flammable gases
Document status: Active
Luminaires. Part 2. Particular requirements. Section 19. Air-handling luminaires. Safety requirements
Document status: Cancelled