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Railway applications Fixed installations Electrical safety, earthing and the return circuit Part 1: Protective provisions against electric shock. Original standard UNE-EN 50122-1-2011 in PDF full version. Additional info + preview on request

Document status: Replaced by STB UNE-EN 50122-1-2023

Amendment 1 - Railway applications Fixed installations Electrical safety, earthing and the return circuit Part 1: Protective provisions against electric shock. Original standard UNE-EN 50122-1-2011 A1-2011 in PDF full version. Additional info + preview on request

Document status: Replaced by STB UNE-EN 50122-1-2023

Amendment 3 - Railway applications Fixed installations Electrical safety, earthing and the return circuit Part 1: Protective provisions against electric shock. Original standard UNE-EN 50122-1-2011 A3-2017 in PDF full version. Additional info + preview on request

Document status: Replaced by STB UNE-EN 50122-1-2023

Amendment 4 - Railway applications Fixed installations Electrical safety, earthing and the return circuit Part 1: Protective provisions against electric shock. Original standard UNE-EN 50122-1-2011 A4-2017 in PDF full version. Additional info + preview on request

Document status: Replaced by STB UNE-EN 50122-1-2023

Corrigendum - RAILWAY APPLICATIONS - FIXED INSTALLATIONS - ELECTRICAL SAFETY, EARTHING AND THE RETURN CIRCUIT - PART 1: PROTECTIVE PROVISIONS AGAINST ELECTRIC SHOCK. Original standard UNE-EN 50122-1-2011 AC V2-2012 in PDF full version. Additional info + preview on request

Document status: Active

Railway applications Fixed installations Electrical safety, earthing and the return circuit Part 2: Provisions against the effects of stray currents caused by d.c traction systems. Original standard UNE-EN 50122-2-2011 in PDF full version. Additional info + preview on request

Document status: Replaced by STB UNE-EN 50122-2-2023