On Mon, 09 Jan 2012 23:15:27 +0000 (GMT), "Dave Plowman (News)"
wrote:

Running two devices off an isolating transformer negates the point of
having one.

Increases the likelihood of a hazardous situation arising.

But it does negate the point of having a transformer in one important
sense, in my shaver in the bath scenario the transformer prevents
the upstream RCD from tripping even though the victim is getting a
shock to earth.

--
Graham.
%Profound_observation%