BS EN 61346-2:2001 Industrial systems, installations and equipment and industrial products - Structuring principles and reference designations - Classification of objects and codes for classes
This part of IEC 61346 defines object classes and associated letter codes for these classes to be used in reference designations.
The classification schemes are applicable for objects in all technical areas and may be applied at any position in a tree-like structure set up in accordance with IEC 61346-1.
NOTE The classification of objects that are of interest from the location aspect only is not considered in the present edition of IEC 61346-2.
BS EN 61346-2:2001 history
2001BS EN 61346-2:2001 Industrial systems, installations and equipment and industrial products - Structuring principles and reference designations - Classification of objects and codes for classes