... 3.Standard: IEC, NEMA,GB 4.Copper winding wire UL Approved copper winding wire For Wind Power Turbines1.Specifications of copper ... IEC, NEMA,GBThermal Class: 130/155/180/220 centigradeCertification:SGS,UL Approved,iso9001,iso140012.Features of copper winding wire :a) Excellent resistance ... and best quality.Warmly welcome friends from all walks of life come to LP to guide and negotiation bussiness.