Jim Green wrote:

So unlimited sockets doesn't actually mean unlimited sockets. It means
unlimited sockets so long as the majority are turned off!

There is a concept called "diversity" that comes into play here. If you
think about it, a 30 amp circuit could be over loaded from a little as
three sockets feeding large 13A loads, however there may in fact be far
more than three socket outlets installed. Hence the designer of a
circuit will provide enough capacity to cope with typical and likely
loads, not the theoretical maximum load.

The wiring regs say a final ring circuit can cover an area of up to 100
sq m and have as many socket outlets as you want. However you need to
design what you actually install based on anticipated loading. Hence a
kitchen, which often has a high concentration of power hungry devices,
if often given a circuit all to itself.

--
Cheers,

John.

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