On Tue, 15 Feb 2011 22:05:39 +0000
"Clive D. W. Feather" wrote:
Some years ago there was a very good post on uk.railway explaining some
of this. For example, third rail running rails need to be isolated from
earth to keep stray voltages away from underground pipes, but 25kV AC

I didn't know that about 3rd rail, I assumed the rails were grounded. Doesn't
that mean that theres a potential risk of electrocution just from the running
rails?

B2003