Fibre-optic communication subsystem test procedures - Part 4-2: Installed cable plant - Single-mode attenuation and optical return loss measurement (IEC 86C/1876/CDV:2023); German and English version prEN IEC 61280-4-2:2023

Process measurement and control devices - General methods and procedures for evaluating performance - Part 2: Tests under reference conditions

Railway applications - Rolling stock equipment - Shock and vibration tests (IEC 9/3019/CDV:2023); German and English version prEN IEC 61373:2023

Identification Link - Part 2: Types/Models, Lots/Batches, Items and Characteristics (IEC 65E/1000/CDV:2023); German and English version prEN IEC 61406-2:2023

Low-voltage switchgear and controlgear assemblies - Part 4: Particular requirements for assemblies for construction sites (ACS) (IEC 121B/151/CDV:2022); German and English version prEN IEC 61439-4:2022

Low-voltage switchgear and controlgear assemblies - Part 5: Assemblies for power distribution in public networks (IEC 61439-5:2023); German version EN IEC 61439-5:2023

Photovoltaic (PV) module safety qualification - Part 2: Requirements for testing (IEC 82/1814/CDV:2020); German and English version EN IEC 61730-2:2018/prA1:2020

Fibre optic interconnecting devices and passive components - Performance standard - Part 021-06: Single-mode fibre optic connectors terminated as pigtails and patchcords for category OP+ - Extended outdoor protected environment (IEC 61753-021-06:2023); German version EN IEC 61753-021-06:2023

All-or-nothing electrical relays - Tests and Measurements - Part 7-18: Thermal resistance of the coil (IEC 94/738/CD:2022); Text in German and English

All-or-nothing electrical relays - Tests and Measurements - Part 7-30: Contact sticking (delayed release) (IEC 94/626/CD:2021); Text in German and English