"BigWallop" wrote in message
...

"Jaime" wrote in message
...

nd just to mop up another of your points, the RCD main trip does not
have any overload protection; in your case this will be provided by
the leccy board fuse. The main RCD looks for earth faults only.

So in a 'normal' instalation with a 80 amp RCD and a 100 amp company
fuse
nothing stops the RCD being overloaded by up to 20 amps?

Jaime



No.


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Having come late into this thread, you would find it very hard to get
anywhere like 80A drawn by most domestic cookers - in the old days of fuses
they were usually never fed through anything higher than 60A!

It is all about statistical loading as most hotplates and the oven have
thermostats. You would find it difficult to turn them all on at once, and by
the time you turned the later ones on the earlier ones would have started to
heat and the current drawn would have dropped.


--
Woody