1. ISO/IEC 81346-1: (2009 or alternative the 2021 FDIS edition): “Industrial systems installations and equipment and industrial products - structuring principles and reference designations - Part 1: Basic rules”
2. ISO/IEC 81346-2(2019): “Industrial systems installations and equipment and industrial products - structuring principles and reference designations - Part 2: Classifications of objects and code for classes”.
3. ISO/IEC 81346-10 (2021 FDIS edition): “Industrial systems installations and equipment and industrial products - structuring principles and reference designations - Part 10: Power Supply Systems”.
4. ISO/IEC 81346-12(2018): “Industrial systems installations and equipment and industrial products - structuring principles and reference designations - Part 12: Construction Works”.
5. ISO/IEC 81355-1(2021CD edition): “Industrial systems installations and equipment and industrial products – Classification and designation of information - Part 1: Basic rules”.