... Section Area(mm2)No. of CoresUsageYQ,YQWLight model rubber sheath flexible cable300/5000.30.52,3Used for light portable ... electric equipment and toolsIEC60245-53YZMiddle model rubber sheath flexible cable300/5000.75--62,3,4,5Used for ... various portable electric equipment and toolsIEC60245-57YZWYCHeavy model rubber sheath flexible cable450/7501.5--4001Used for various portable electric ...