This part of IEC 60317 specifies the requirements of enamelled rectangular aluminium winding wire of class 120 with a sole coating based on polyvinyl acetal or polyvinyl formal resin, which may be modified providing it retains the chemical identity of the original resin and meets all specified wire requirements.Cross References:EN 60851-4:2016IEC 60317-0-9:2015EN 60317-0-9:2015IEC 60851-4:2016IEC 60317 (all parts)EN 60264 SeriesEN 60851 SeriesIEC 60851 (all parts)EN 60317 SeriesIEC 60264 (all parts)Incorporates the following:Amendment, August 2019