Chemicals used for treatment of water intended for human consumption - Carbon dioxide; German and English version prEN 936:2021

Selection and dimensioning of high-voltage insulators intended for use in polluted conditions - Part 2: Ceramic and glass insulators for a.c. systems (IEC 36/477/CD:2019); Text in German and English

Security for industrial automation and control systems - Part 2-2: IACS Security Program Ratings (IEC 65/797/CD:2020); Text in German and English

Explosive atmospheres - Part 14: Electrical installations design, selection and erection (IEC 31J/301/CD:2019); Text in German and English

Plugs and socket-outlets for household and similar purpose and plugs and socket-outlets for industrial use; overview

Connector sets and interconnect components to be used in optical fibre communication systems - Product specifications - Part 15-1: Type MPO with 12 fibre PPS ferrules terminated on EN 60793-2 category A1a multimode fibre for 50/125 micron multimode fibre - macrobend enhanced fibre only; German and English version prEN 50377-15-1:2020

Measurement of radioactivity in the environment - Guidelines for effective dose assessment using environmental monitoring data - Part 2: Nuclear emergency exposure situation (ISO/CD 20043-2:2021); Text in German and English

Protection against lightning - Part 1: General principles (IEC 81/644/CD:2021); Text in German and English

Low-voltage electrical installations - Part 8-2: Prosumer's low-voltage electrical installations (IEC 64/2489/CDV:2021); German and English version prHD 60364-8-2:2021

Electrostatics - Part 4-9: Standard test methods for specific applications - Garments (IEC 101/626/CD:2021); Text in German and English