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Corrigendum - Amendment 1 - Communication cables - Part 2-21: Common design rules and construction - PVC insulation compounds. Original standard UNE-EN 50290-2-21-2002 A1-2007 AC-2016 in PDF full version. Additional info + preview on request

Document status: Active

Overhead electrical lines exceeding AC 1 kV - Part 2-22: National Normative Aspects (NNA) for Poland (based on EN 50341-1:2012). Original standard UNE-EN 50341-2-22-2016 in PDF full version. Additional info + preview on request

Document status: Replaced by STB UNE-EN 50341-2-22-2022

Electricity metering equipment (a.c.) Part 3: Particular requirements Static meters for active energy (class indexes A, B and C). Original standard UNE-EN 50470-3-2007 in PDF full version. Additional info + preview on request

Document status: Replaced by STB UNE-EN 50470-3-2023

Information technology. Data centre facilities and infrastructures - Overview of and general requirements for key performance indicators. Original standard UNE-EN 50600-4-1-2016 in PDF full version. Additional info + preview on request

Document status: Active

Conduit systems buried underground for the protection and management of insulated electrical cables or communication cables Part 1: General requirements. Original standard UNE-EN 50626-1-2024 in PDF full version. Additional info + preview on request

Document status: Active

Energy performance of large power transformers (Um > 36 kV or Sr ≥ 40 MVA). Original standard UNE-EN 50629-2016 in PDF full version. Additional info + preview on request

Document status: Replaced by