rrh wrote:
It's like all these things. If you find something like that, who
knows what else is lurking under there? Rip it all out. Fix it. I
guarantee you'll sleep better. And you know that you and your family
will be safe.

This is true, though it sounds alarmist. We found a Flymo connector
plastered into one wall; it joined two lengths of 2.5mm to extend a socket!
http://members.lycos.co.uk/Skanksville/id98.htm

Si