Amendment 1 - Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities - Section 4: Stationary use at non-weatherprotected locations— 8 стр.
Classification of environmental conditions. Classification of groups of environmental parameters and their severities, Stationary use at non-weatherprotected locations— 30 стр.
Protection of metallic materials against corrosion. Guidance on the assessment of corrosion likelihood in water distribution and storage systems. General— 14 стр.
Three-phase oil-immersed distribution transformers 50 Hz, from 50 kVA to 2 500 kVA with highest voltage for equipment not exceeding 36 kV. General requirements— 18 стр.