On Fri, 15 Jun 2007 07:53:29 -0700, Frogwatch
wrote:

Regular wire will corrode all the way up the insulation if it EVER
gets immersed in salt water. The wire that is tinned all the way will
not but it is insanely expensive.

All true but you can avoid most of the issues by sealing the end with
glue filled heat shrink tubing, overlapping the insulation and tinned
portion of the wire.