From: scientist77017@gmail.com   
      
   On Saturday, May 11, 2019 at 9:27:21 AM UTC-5, S Deyoreo wrote:   
   > On Saturday, May 11, 2019 at 6:13:50 AM UTC-4, Andy wrote:   
   > > Some of the wire i strip and solder is a dark silver color. Its a pain to   
   solder to copper.. Is it aluminum? I read that a Al forms a non conductive   
   oxide on exposure to air.   
   >   
   > I've had wire that sat for a few years, the ends can oxidize a little ways   
   into the insulation, so when you strip it, you get oxidized wire and it sucks   
   to solder.   
   > Not sure if that's what you have.   
      
   I think that is what I have. I salvage things I find or from things I throw   
   away.   
      
   Sometimes I will cut the end off and then I find some fresh copper wire.   
      
   Andy   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)