 In 1952, it was standardized in by the International Electrotechnical Commission (IEC) and since 1963 also published as EIA RS-279.Originally only meant to be used for fixed resistors, the color code was extended to also cover capacitors with .The code was adopted by many national standards like DIN 40825 (1973), BS 1852 (1974) and IS 8186 (1976).