In article ,
Richard Porter wrote:
Still, you'd think the installer
would give the rack a bit of a tug just to make sure it was firmly
fixed.

Heh heh. But didn't it say it was movement of the screw which had frayed
through the insulation?.

Of course, anyone with sense would have moved the rack a half inch so the
screw touched the neutral...

--
*Don't use no double negatives *

Dave Plowman London SW
To e-mail, change noise into sound.