This part of GB/T 7095 specifies the general requirements of enamelled rectangular copper winding wires.
The range of nominal conductor dimensions is given in the relevant specification sheet.
When reference is made to a winding wire according to a standard of the GB/T 7095 series mentioned under clause 2, the following information is given in the description:
— Reference to GB and/or IEC specification;
— Nominal conductor dimensions in millimetres (width × thickness);
Foreword II 1 Scope 1 2 Normative References 1 3 Definitions, General Notes on Tests and Appearance 2 4 Dimensions 3 5 Electrical Resistance 6 6 Elongation 7 7 Springiness 7 8 Flexibility and Adherence 7 9 Heat Shock 7 10 Cut-through 7 11 Resistance to Abrasion 7 12 Resistance to Solvents 7 13 Breakdown Voltage 8 14 Continuity of Insulation 8 15 Temperature Index 8 16 Resistance to Refrigerants 8 17 Solderability 8 18 Heat or Solvent Bonding 8 19 Dielectric Dissipation Factor 8 20 Resistance to Transformer Oil 9 21 Loss of Mass 9 23 Pin-hole Test 9 30 Packaging 9 Appendix A (Informative) Nominal Cross-sectional Areas for Preferred and Intermediate Sizes 10 Appendix B (Informative) Special Tolerances 20 Appendix E (Informative) High Temperature Failure Test 21 Appendix F (Informative) Type and Comparison Table of Enamelled Rectangular Copper Winding Wires 22 Appendix G (Informative) Test Item Categories 23