29.020 Electrical engineering in general

Industrial systems, installations and equipment and industrial products - Structuring principles and reference designations -- Part 2: Classification of objects and codes for classes (IEC 81346-2:2009)

Industrial systems, installations and equipment and industrial products - Structuring principles and reference designations - Part 1: Basic rules

Industrial systems, installations and equipment and industrial products - Structuring principles and reference designations - Part 2: Classification of objects and codes for classes

Preparation of instructions for use - Structuring, content and presentation - Part 1: General principles and detailed requirements (IEC 82079-1:2012)

Preparation of information for use (instructions for use) of products - Part 1: Principles and general requirements