This part of GB/T 7672 specifies the general requirements for enamelled flat copper-clad wire with impregnated glass fiber or enamelled copper flat wire with impregnated glass fiber. Refer to relevant product standards for the nominal size range of conductors (see Appendix C for product models and marks). When citing a standard glass fiber covered wire in GB/T 7672.3, GB/T 7672.4 and GB/T 7672.5 mentioned in Chapter 2, the following should be given: GB number and/or IEC number; Conductor nominal Dimensions (wide side size × narrow side size), mm; Thickness grade of paint film and silk covering.
GB/T 7672.1-2008 Referenced Document
GB/T 321-2005 Preferred numbers-Series of preferred numbers