IEC 60317-59:2015 specifies the requirements of enamelled round copper winding wire of class 240 with a single coating of polyamide-imide resin. The range of nominal conductor diameters covered by this part of IEC 60317 is:
- grade 1: 0,180 mm up to and including 1,600 mm,
- grade 2: 0,180 mm up to and including 1,600 mm. The nominal conductor diameters are specified in Clause 4 of IEC 60317-0-1:2013. Keywords: insulated wires used for windings, enamelled round copper winding wire of class 240

This publication is to be read in conjunction with IEC 60317-0-1:2013.