IEC 60317-56:2012 specifies the requirements of solderable fully insulated (FIW) zero-defect enamelled round copper wire, class 180, with a single coating based on polyurethane resin, which may be modified providing it retains its chemical identity and satisfies all the required technical specifications. It should be noted that the clause numbering in this specification is not continuous due to the deletion of tests no longer a part of the IEC 60317-0 series of specifications for general requirements. Additionally, a placeholder is provided for future winding wire tests so as to maintain a separation from winding wire requirements from those for packaging.

This publication is to be read in conjunction with IEC 60317-0-7:2012.