On Wed, 28 Feb 2007 17:46:20 +0000 someone who may be
lid wrote this:-

Neon indicators usually need a neutral to work if "illuminated when
on" is required.

While that is best I'm not convinced that a low current through the
protective conductor is a great problem. It might be if electric
supplies were DC, as that could lead to high resistance joints being
formed.


--
David Hansen, Edinburgh
I will *always* explain revoked encryption keys, unless RIP prevents me
http://www.opsi.gov.uk/acts/acts2000/00023--e.htm#54