Arny Krueger wrote:
"Don Pearce" wrote in message
...
On Fri, 3 Feb 2012 13:50:55 -0500, "Arny Krueger"
wrote:

"Dave Plowman (News)" wrote in message
...
In article ,
Arny Krueger wrote:
http://i92.photobucket.com/albums/l1...erWardrobe.jpg
Seems like a lot of wiring and separate little boxes to handle not so
many circuits.
I presume that it provides service for more than just one little hotel
room.
Here's something more representative:-

http://i139.photobucket.com/albums/q...akkies/002.jpg
If everything is on a ring, why are there an odd number of breakers?

The ring returns to the same breaker. There isn't a separate one for
each end of the ring.

The breakers are 4 pole?

No, the breakers are normally only single pole, breaking the live only
with the neutral and earth (ground) being permanently connected to a bus
bar. Both ends of the ring come to the same point on the breaker.

There's a diagram and explanation of how these circuits work he-

http://en.wikipedia.org/wiki/Ring_circuit

--
Tciao for Now!

John.