IEC-81346-2 › Industrial systems, installations and equipment and industrial products - Structuring principles and reference designations - Part 2: Classification of objects and codes for classes
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IEC 81346-2:2009, published jointly by IEC and ISO defines classes and subclasses of objects based on a purpose- or task-related view of the objects, together with their associated letter codes to be used in reference designations. The classification is applicable for objects in all technical areas, e.g. electrical, mechanical and civil engineering as well as all branches of industry, e.g. energy, chemical industry, building technology, shipbuilding and marine technology, and can be used by all technical disciplines in any design process.
To find similar documents by classification:
29.020 (Electrical engineering in general Including voltages, general electrical terminology, electrical documentation, electrical tables, safety, fire hazard testing, etc. Electrical diagrams and charts, see 01.100.25 Electrical power stations, see 27.100 Electromagnetic compatibility, see 33.100)
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IEC 81346-2 Ed. 1.0 b:2009
July 1, 2009