IEC 60317-0-4:2015 specifies general requirements of glass-fibre wound, resin or varnish impregnated, bare or enamelled rectangular copper wire. The range of nominal conductor dimensions is given in the relevant specification sheet. This third edition cancels and replaces the second edition published in 1997, Amendment 1:1999 and Amendment 2:2005. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
- addition of dimensional requirements for grade 1 enamelled wire in Table 4;
- addition of dielectric breakdown requirements for grade 1 enamelled wire in Table 7. Keywords: insulated wires used for windings, copper wire

This publication is to be read in conjunction with IEC 60851 series.