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That means the signal is entirely in the tin layer, if one is present. Not a good thing, as tin is not a very good conductor. Tin has about seven times the resistance of copper). So anything at 1MHz or higher should not have a tin layer. It needs to be bare copper. That means video cable, digital audio cable, RF coax or Category data cables all need to be bare copper. No tinned copper.
Gold Plated Copper Wire is used in satellites as part of their electronic circuits and as a heat shield. Copper with gold or silver plating can be used in the ultra flexible and ultra miniature wire needed in instrumentation used in the medical industry. Tin-The properties of tin make it ideal for use as a coating.opper with gold or silver plating can be used in the ultra flexible and ultra miniature wire needed in instrumentation used in the medical industry. Tin-The properties of tin make it ideal for use as a coating.