Forum discussion tagged with copper.
  1. 90110n

    Question Do I need to be more careful when using pure copper wires instead of more common aluminium wires?

    Just bought several meters of pure copper "speaker wire" (1.5mm) in the hardware store, and they were labeled over and over with warnings like "only to be installed by qualified electricians", "only intended to be used in conjunction with HIGH POWER AMPS", etc. (Germany, for reference, so EU...