On Sun, 16 May 2010 14:39:53 +0100, ARWadsworth wrote:

I am surprised there were any scorchmarks due to the very small current
that is used.

A few watts in a place that isn't supposed to have any disipation
will "age" that place quite quickly. You only need 4mA @ 240v to
dissipate 1W.

--
Cheers
Dave.