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Corrigendum 1 - Guidance on the measurement of hydrophobicity of insulator surfaces. Original standard IEC TS 62073-2016 cor1-2026 in PDF full version. Additional info + preview on request

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Case studies supporting IEC 62232 - Determination of RF field strength, power density and SAR in the vicinity of radiocommunication base stations for the purpose of evaluating human exposure. Original standard IEC TR 62669-2026 in PDF full version. Additional info + preview on request

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User’s quality of experience on multimedia conferencing services - Part 3- Measurement methods. Original standard IEC 63478-3-2026 in PDF full version. Additional info + preview on request

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Power transformers - Part 21: Standard requirements, terminology, and test code for step-voltage regulators. IEC 60076-21:2018-12(en). Original standard IEC 60076-21-2018 in PDF full version. Additional info + preview on request

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Measuring relays and protection equipment - Part 24: Common format for transient data exchange (COMTRADE) for power systems. IEC 60255-24:2013. Original standard IEC 60255-24-2013 in PDF full version. Additional info + preview on request

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High-voltage switchgear and controlgear - Part 111: Automatic circuit reclosers for alternating current systems up to and including 38 kV. IEC 62271-111:2019-02(en-fr). Original standard IEC 62271-111-2019 in PDF full version. Additional info + preview on request

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