> No, all fixed wiring is solid core in the UK (known as "twin
> and earth").  Stranded wiring is only use for appliance "flex"

Does the "skin effect" come into play with solid (single strand)
cable ? Undoubtedly the power company engineers know a
heap more about this than I do, just wondered if there was any
significant advantage to using multi-strand (Litz) cable, cf power
transmission over long distances by DC rather than AC

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