Jim Lesurf wrote:

[Snipped Text]

In practice, though, I find that either a decent pressure contact or a
soldered one generally works fine for years. Hence I'd put this into,
"whatever suits you" class." :-)

Righto, cheers to both of you, I don't think I'm going to worry myself
over this one :-)

--
Andy Hewitt
http://www.thehewitts.eclipse.co.uk/Home.html