"Cy Galley" wrote in message news:LhWGb.465476$Dw6.1374811@attbi_s02...
Mea Culpa! They are zinc not tin plated.
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No you are right, for stainless cables they are tin plated. It's actually not the
tin plating that makes the difference here. They use a different copper alloy
in the tin plated version that's compatible with stainless (so says National
Telephone, the owners of the Nicopress brand).