Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 2-21: Tests - Composite temperature/humidity cyclic test (IEC 61300-2-21:2009); German version EN 61300-2-21:2010
Edition 2010-08

Materials for printed boards and other interconnecting structures - Part 2-21: Reinforced base materials, clad and unclad - Non-halogenated epoxide woven E-glass reinforced laminated sheets of defined flammability (vertical burning test), copper-clad (IEC 61249-2-21:2003); German version EN 61249-2-21:2003
Edition 2004-06

Specification for the testing of balanced and coaxial information technology cabling - Part 2-21: Category 6 cords as specified in ISO/IEC 11801-1 - Blank detail specification (IEC 61935-2-21:2021); German version FprEN 61935-2-21:2014
Edition 2023-03

Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery - Safety - Part 2-21: Particular requirements for hand-held drain cleaners (IEC 62841-2-21:2017, modified); German version EN 62841-2-21:2019
Edition 2020-01

Luminaires - Part 2-21: Particular requirements - Rope lights (IEC 60598-2-21:2014); German version EN 60598-2-21:2015
Edition 2015-10

Electric cables - Low voltage energy cables of rated voltages up to and including 450/750 V (U₀/U) - Part 2-21: Cables for general applications - Flexible cables with crosslinked elastomeric insulation; German version EN 50525-2-21:2011
Edition 2012-01

Medical electrical equipment - Part 2-21: Particular requirements for the basic safety and essential performance of infant radiant warmers (IEC 60601-2-21:2020 + AMD1:2023); German version EN IEC 60601-2-21:2021 + A1:2023
Edition 2024-10

Environmental testing - Part 2-21: Tests - Test U: Robustness of terminations and integral mounting devices (IEC 60068-2-21:2021); German version EN IEC 60068-2-21:2021
Edition 2022-12

Medical electrical equipment - Part 2-21: Particular requirements for the basic safety and essential performance of infant radiant warmers (IEC 60601-2-21:2020); German version EN IEC 60601-2-21:2021
Edition 2022-11

Wind energy generation systems - Part 21-2: Measurement and assessment of electrical characteristics - Wind power plants (IEC 61400-21-2:2023); German version EN IEC 61400-21-2:2023
Edition 2024-04