... -7.0mm;Flat a.1-10mm,b.3-35mm 2.Certification:SGS,UL,ISO 3.Thermal Class:220c NEW!!UL ... Certification Paper Covered Wire for transformer1.Diameter of paper covered wire: ... , NEMA,GB3.Thermal Class of paper covered wire: 220 centigrade4.Certification of paper covered wire:SGS,UL Approved,iso9001,iso140015.Main ...