INTERNATIONAL IEC STANDARD 60228
60228 IEC:2004 11 CONDUCTORS OF INSULATED CABLES 1 Scope This International Standard specifies the nominal crosssectional areas, in the range 0,5 mm2 to 2 500 mm2, for conductors in electric power cables and cords of a wide range of types. Requirements for numbers and sizes of wires and resistance values are also included.