IEC 60446 Ed. 4.0 en PDF

IEC 60446 Ed. 4.0 en – Basic and safety principles for man-machine interface, marking and identification – Identification of conductors by colours or alphanumerics

Has the status of a basic safety publication in accordance with the principles given in IEC Guide 104 and ISO/IEC Guide 51.Provides general rules for the use of certain colours or numerals toidentify conductors with the aim of avoiding ambiguity and ensuring safe operation. These conductors mabe applied in cablesor cores, busbars, electricalequipment and installations.This editionhassignificant technical changes with respect to the previous edition. This includes additionof subclauses 5.3.4 to 5.3.6 – Use of bi-colourcombinations, addition of subclause 6.2 – Identification of certaindesignated conductors, and addition of a new Annex A (informative) “Identification of certain designated conductors by means of colour code and alphanumeric”.