Standard data element types with associated classification scheme for electric components - Part 4: IEC reference collection of standard data element types and component classes (IEC 61360-4:2005); German version EN 61360-4:2005, text in English
Edition 2005-11

Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method) (ISO 8968-4:2016); German version EN ISO 8968-4:2016
Edition 2016-09

Devices for the disinfection of water using ultraviolet radiation - Part 4: Reference radiometers for devices equipped with UV medium pressure lamps - Requirements and testing
Edition 2025-07

Distribution automation using distribution line carrier systems - Part 4: Data communication protocols; Section 1: Reference model of the communication system (IEC 61334-4-1:1996); German version EN 61334-4-1:1996
Edition 1998-01

Reference conditions and procedures for testing industrial and process measurement transmitters - Part 4: Specific procedures for level transmitters (IEC 62828-4:2020); German version EN IEC 62828-4:2020
Edition 2022-07

Protective clothing for protection against chemicals - Classification, labelling and performance requirements - Part 4: Test methods, classification and requirements for specific designs and ensemble components including gloves, footwear, and respirators (ISO/DIS 16602-4:2025); German and English version prEN ISO 16602-4:2025
Edition 2025-09

Petroleum products and fat and oil derivates - Fatty acid methyl esters (FAME) for diesel engines - Determination of polyunsaturated (≥ 4 double bonds) fatty acid methyl esters (PUFA) by gas chromatography; German version EN 15779:2009+A1:2013
Edition 2013-12

Castors and wheels - Castors and wheels for applications up to 1,1 m/s (4 km/h); German version EN 12532:1998
Edition 1999-05

Castors and wheels - Castors and wheels for applications over 1,1 m/s (4 km/h) and up to 4,4 m/s (16 km/h); German version EN 12533:1998
Edition 1999-05

Technical delivery conditions for gasket sheets - Part 4: Requirements and testing for expanded graphite-based gasket materials (GR)
Edition 2014-11