On Sat, Aug 22, 2015 at 11:44 PM, tony duell <ard at p850ug1.demon.co.uk>
wrote:
I have heard similar warnings about working on cars while wearing
rings, or worse a wristwatch with a metal strap. A car battery can provide
many hundreds of amps for a short period.
My cousin (who is a seasoned vehicle tech) once made the "car battery
positive to fenderwell via wristwatch" mistake.
He said the band went almost white hot before he was able to a) realize it
and b) break away. Second and third-degree to his wrist.