On Thu, 17 Sep 2009 08:40:14 +0100 someone who may be "nightjar"
cpb@insert my surname here.me.uk wrote this:-

As noted, the earthing it offers
can be unreliable, so I always run earth wires in it as well.

If it is installed and maintained improperly. However, that is true
of other ways of doing the same thing.


--
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