BG5CJI In the shortwave amplifier, the transformer uses a yellow wire like the one in the picture, which is not enameled wire but single-strand copper core with an inner diameter of approximately 0.8 mm and an outer insulation diameter of approximately 1 mm. I've searched on Taobao for wires with single-strand copper cores and thin outer insulation (less than 0.1 mm), but haven't found any. Could someone please provide some guidance?
BG5CJI Typically, Teflon cable consists of multiple silver-plated copper cores, and the insulation layer is very thick. However, in this case, it refers to a single copper core with an insulation layer thickness of only 0.1-0.2 mm.
BI3OGV Let me search for "Taiwan imported OCC single-strand copper silver-plated wire, single Teflon line" on a certain platform. It seems like it might match the requirements.
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