Power transformers - Part 22-4: Power transformer and reactor fittings - Insulating liquid to water heat exchangers
Power transformers - Part 22-5: Power transformer and reactor fittings - Electric pumps for transformers
Power transformers - Part 22-6: Power transformer and reactor fittings - Electric fans for transformers
Power transformers - Part 22-7: Power transformer and reactor fittings - Accessories and fittings
Power transformers - Part 22-7: Power transformer and reactor fittings - Accessories and fittings
Power transformers - Part 22-8: Power transformer and reactor fittings - Devices suitable for use in communication networks
Power transformers - Part 24: Specification of voltage regulating distribution transformers (VRDT)
Power transformers - Part 25: Neutral grounding resistors
Power transformers - Part 4: Lightning impulse and switching impulse tests of power transformers and reactors
Railway applications - Electric equipment for rolling stock - Part 3: Electrotechnical components - Rules for DC circuit-breakers
Railway applications - Electric equipment for rolling stock - Part 4: Electrotechnical components - Rules for AC circuit-breakers
Railway applications - Electric equipment for rolling stock - Part 5: Electrotechnical components - Rules for HV fuses
53,361 afzonderlijke normreferenties geïndexeerd op basis van vastgelegde officiële bronnen. Eerdere edities zijn inbegrepen. De index en de collecties van uitgevers hebben een verschillende dekking. Zie bronnen en dekking.