"Andy Dingley" wrote in message
...
On Tue, 23 Sep 2003 00:51:28 +0100, Dave Plowman
wrote:

Why not do it at the low voltage side? Of course, this won't check that
the unit is actually working, but only switched on.

The usual need for a fence detector is to check that the wire hasn't
been broken.

I take it that licking it (like we used to do with 9v batteries to check
them!) isn't a suitable option...

What sort of kick do these fences give? I've never had the misfortune to
experience one.

D