GB/T 7673.1-2008 Winding Wire in Paper Wrap, Part 1: General Provisions covers the type, product variety structure, technical requirements, acceptance rules and Encasement marking of Winding Wire in Paper Wrap. This standard applies to the windings and leads of various transformers, reactors and Miscellaneous similar electrical equipment. It specifies a variety of product types including paper-wrapped round wire, paper-wrapped copper flat wire, paper-insulated composite wire and paper-insulated multi-strand stranded wire. This standard needs to be used in conjunction with subsequent product standards to ensure the uniformity and Reliability of the product mass.