On Wed, 20 Jul 2011 05:59:25 -0700, Theodore Edward Stosterone
wrote:

I spray it on electrical contacts and other electrical components to
displace water and prevent corrosion. It works great for that! I
learned the trick way back when I worked as a technician in an
underground missile silo.

TES
But do NOT use the aerosol spray to displace moisture where arcing may
occur. I learnrd that the "fast" way when I used it to dry out my
distributor cap, and blew it right off when I tried to start the car.
(1963 Valiant slant six)