Sorry, I used to work in the cable industry here in Texas and I was told that the stinger in the middle of the cable which was the main transmission media was actually Iron core which was copper plated to make it conduct electricity better. The added benefit was that it made the cable stronger! Michael Johnston On Sat, Dec 21, 2019 at 6:27 PM Michael Johnston < michaelwjohnston1@gmail.com> wrote: > HI B > > On Sat, Dec 21, 2019 at 4:20 PM Bob Blick wrote: > >> I just bought a trailer light kit and the wire it came with isn't really >> copper. >> >> Is there any benefit to copper-clad aluminum (CCA) wire over straight >> aluminum? Because from what I've experienced, it's just a way of trickin= g >> people into buying something they wouldn't have bought if they knew what >> they were really getting. >> >> The copper layer is so thin, I can't imagine it being OK to use in >> connectors made for copper wire, and it doesn't solder unless it's reall= y >> fresh wire and you don't heat it for longer than a second. And I wouldn'= t >> trust it. >> >> Bob >> -- >> http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive >> View/change your membership options at >> http://mailman.mit.edu/mailman/listinfo/piclist >> > --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .