On 25/08/2006 12:02 Christian McArdle wrote:

Clues that it has a transformer are that it has
multi-voltage and is the size of a double socket (but much deeper). Non
isolated ones are the size of a light switch and are 230V only.

Ah! I had seen the transformer but didn't know that it was an isolating
transformer. You learn something new every day. Thanks.

--
Frank
(Beware of spam trap - remove the negative)