IEC 60317-56 Ed. 1.0 b:2012 [ Withdrawn ] Specifications for particular types of winding wires - Part 56: Solderable fully insulated (FIW) zero-defect polyurethane enamelled round copper wire with nominal conductor diameter 0,040 mm to 1,600 mm, class 180
standard by International Electrotechnical Commission, 05/15/2012