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Hydrogen Technologies Standards form the basic framework for market ramp-up
More information
Climate change Standards and specifications support climate targets
More information
Smart Farming Standards and specifications are drivers for the digitalization of agriculture
More information

Standards [CURRENT]

NF C31-420
Wires for electrical machinery and apparatus. Enamelled round copper wires with high dielectric properties for transformers and similar applications

Title (German)

IN DER ELEKTRIK VERWENDETE LEITER UND KABEL. EMAILLIERTE KUPFERDRAEHTE MIT KREISFOERMIGEM QUERSCHNITT UND HOHEN DIELEKTRISCHEN EIGENSCHAFTEN FUER VERTEILERTRANSFORMATOREN UND AEHNLICHE ANWENDUNGSZWECKE

Edition 1977-05-01

Original language French

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Hydrogen Technologies Standards form the basic framework for market ramp-up

Climate change Standards and specifications support climate targets

Smart Farming Standards and specifications are drivers for the digitalization of agriculture

NF C31-420 Wires for electrical machinery and apparatus. Enamelled round copper wires with high dielectric properties for transformers and similar applications

Want to learn more?

NF C31-420
Wires for electrical machinery and apparatus. Enamelled round copper wires with high dielectric properties for transformers and similar applications