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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 F41-122-1/A4 ; NF EN 50122-1/A4:2018-01-20
Railway applications - Fixed installations - Electrical safety, earthing and the return circuit - Part 1: protective provisions against electric shock

Title (German)

Bahnanwendungen - Ortsfeste Anlagen - Elektrische Sicherheit, Erdung und Rückleitung - Teil 1: Schutzmassnahmen gegen elektrischen Schlag

Edition 2018-01-20

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 F41-122-1/A4 ; NF EN 50122-1/A4:2018-01-20 Railway applications - Fixed installations - Electrical safety, earthing and the return circuit - Part 1: protective provisions against electric shock

Want to learn more?

NF F41-122-1/A4 ; NF EN 50122-1/A4:2018-01-20
Railway applications - Fixed installations - Electrical safety, earthing and the return circuit - Part 1: protective provisions against electric shock