Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-32: Examinations and measurements - Polarisation mode dispersion measurement for passive optical components (IEC 61300-3-32:2006)

Electric and optical fibre cables - Test methods for non-metallic materials - Part 403: Miscellaneous tests - Ozone resistance test on cross-linked compounds

Overfill prevention devices for static tanks for liquid fuels - Part 1: Overfill prevention devices with closure device

Insulators for overhead lines - Composite suspension and tension insulators for a.c. systems with a nominal voltage greater than 1 000 V - Definitions, test methods and acceptance criteria (IEC 36/590/CDV:2023); German and English version prEN IEC 61109:2023

Tunnel boring machines - Air locks - Part 2: Safety requirements for the use of non-air breathing mixtures and saturation techniques in personnel locks and for pressurized transfer shuttles; German version FprEN 12110-2:2025

Leather - Tests for colour fastness - Colour fastness to perspiration (ISO/FDIS 11641:2025); German and English version FprEN ISO 11641:2025

Leather - Tests for colour fastness - Colour fastness to perspiration (ISO/DIS 11641:2024)

Gas infrastructure - Equipment to be installed and procedures to be used to prevent or minimise venting and flaring with limitations and feasibility criteria

Gas infrastructure - Equipment to be installed and procedures to be used to prevent or minimise venting and flaring with limitations and feasibility criteria

Tunnel boring machines - Air locks - Part 2: Safety requirements for the use of non-air breathing mixtures and saturation techniques in personnel locks and for pressurized transfer shuttles