IEC 60446 Ed. 3.0 b:1999, Basic and safety principles for man-machine interface, marking and identification - Identification of conductors by colours or numerals

Provides general rules for the use of certain colours or numerals to identify conductors with the aim of avoiding ambiguity and ensuring safe operation. These conductors may be applied in cables or cores, busbars, electrical equipment and installations. Has the status of a basic safety publication in accordance with the principles given in IEC Guide 104 and ISO/IEC Guide 51.