In article ,
Doctor Drivel wrote:
You mean cheap. The drive towards electric heating post WW2 promoted
the ring. The advantage of the ring is that many sockets can be on the
ring. Great for offices with lots of computers.

That's one of the situations where you should dedicated radials, actually.
Please stick to what you know about. Which will make your posts brief in
the extreme.

--
*Even a blind pig stumbles across an acorn now and again *

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