IEC 60228 pdf download Conductors of insulated cables 1 scope This International Standard specifies the nominal cross-sectional areas, in the range 0,5 mm2to 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. Theseconductors include solid and stranded copper，aluminium and aluminium...