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IEC 38/341/CD
IEC 62414 Ed.1: Rules for the determination of the uncertainties in the measurement of instrument transformer errors
prEN 50216-8-1
Power transformer and reactor fittings - Part 8: Oil drain devices - Section 1: Draining plug with sampling for oil immersed distribution transformers
prEN 50216-8-2
Power transformer and reactor fittings - Part 8: Oil drain devices - Section 2: Filling openings for oil immersed distribution transformers without conservator
prEN 50216-11
Power transformer and reactor fittings - Part 11: Choice and distance between centres of wheels for ioil immersed and dry type distribution transformers
IEC 14/605/DC
CLC EN 50216-9: Power transformer and reactor fittings - Part 9: Oil-to-water heat exchangers
IEC 14/606/DC
CLC EN 50216-10: Power transformer and reactor fittings - Part 10: Oil-to-air heat exchangers
IEC 14/655/DC
Survey and call for experts and project leader - Power transformers and reactor fittings - Part 7: Electric pumps for transformer oil
IEC 3C/948/FDIS
IEC 60417: Graphical symbol for use on small transformers 5944 Pr: Isolating transformer, non-short-circuit proof
IEC 3C/950/FDIS
IEC 60417: Graphical symbol for use on small transformers 5946 Pr: Safety isolating transformer, non-short-circuit proof
IEC 3C/951/FDIS
IEC 60417: Graphical symbol for use on small transformers 5947 Pr: Safety isolating transformer, short-circuit proof