On Wed, 09 Jun 2004 21:28:42 +0100, Pete C
strung together this:

A neon screwdriver is never useful.

Maybe... I can see how it would give a false positive but not a false
negative. I'd agree that it's much better to test connections with a
lamp before starting work.

Erm, because they're crap and don't work they could give a false
anything. Don't use them, they're worse than useless.
--

SJW
A.C.S. Ltd