Classification and designation of documents for plants, systems and equipment - Part 1: Rules and classification tables (IEC 3/1597/CDV:2022); German and English version prEN IEC 81355-1:2022

Non-destructive testing - Evaluation of vision acuity of NDT personnel

Non-destructive testing - Evaluation of vision acuity of NDT personnel

Safety of transformers, reactors, power supply units and combinations thereof - Part 2-20: Particular requirements and tests for small reactors (IEC 96/530/CDV:2022); German and English version prEN IEC 61558-2-20:2022

Optics and photonics - Preparation of drawings for optical elements and systems - Part 16: Diffractive surfaces (ISO 10110-16:2023)

Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V - Part 2-16: Particular requirements and tests for switch mode power supply units and transformers for switch mode power supply units (IEC 61558-2-16:2009)

Safety of transformers, reactors, power supply units and combinations thereof - Part 2-14: Particular requirements and tests for variable transformers and power supply units incorporating variable transformers for general applications (IEC 96/507/CDV:2021); German and English version prEN IEC 61558-2-14:2021

Safety of transformers, reactors, power supply units and combinations thereof - Part 2-8: Particular requirements and tests for transformers and power supply units for bells and chimes (IEC 96/565/CDV)

Safety of transformers, reactors, power supply units and combinations thereof - Part 2-3: Particular requirements and tests for ignition transformers for gas and oil burners (IEC 96/538/CDV:2022); German and English version prEN IEC 61558-2-3:2022

Fire extinguishing media - Foam concentrates - Part 4: Specification for low expansion foam concentrates for surface application to water-miscible liquids