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Dave Plowman (News) Dave Plowman (News) is offline
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Default MCB trips as soon as a water heating coil is used.

In article ,
Bob Minchin wrote:
One has to wonder why a type C is being used instead of the more usual
type B for domestic circuits?


Not that uncommon on lighting circuits with lots of LV stuff - especially
when transformer fed.

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Dave Plowman London SW
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