In an earlier contribution to this discussion,
dennis@home wrote:

"Roger Mills" wrote in message
...
In an earlier contribution to this discussion,
Dave wrote:

Talking to my lunch time drinking companion, he mention that a fuse
had blown again and couldn't understand why.

It turns out that the house was built about 1958 and has only one
fuse for the sockets upstairs and downstairs. Was this common then
and does he have a ring or radial wiring?

There is a fuse for lights and another for the cooker.

Dave

It will be a ring main - but only one for the whole house. Quite
common for that period - although many, if not most, properties
built at that time will have been upgraded and/or re-wired in the
meantime.

I only have one ring and this is an 80's house.
Its not a problem.
Even if I needed to heat the place there is so much insulation (now) a
couple of fan heaters is enough.

I sure as hell don't have enough appliances to draw 7.5 kw to
overload the ring.
There was a lack of sockets too, but they are easy to add.


I'm sure that what you've got works perfectly ok. You can indeed have lots
of sockets, all drawing relatively low currents, without any problem.

However, it sounds as if the ring in the property mentioned in the OP is
overloaded - although there's not enough information to be sure.

AIUI, current wiring regs place a limit on the floor area which can be
served by a single ring - but a lot of properties obviously pre-date that
and, in most cases, the electrics continue to work ok.
--
Cheers,
Roger
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