Help any qualified electricians

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groundhog
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Posted – Today :  11:44:40 AM  Show Profile  Visit groundhog's Homepage
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I have a main circuit breaker on the distribution board that keeps tripping, but none of the rcd breakers are tripping, what should I be looking for to isolate what is causing the problem???.id=”msg”>


“Born to fish Forced to work”
Common Sense is so Rare it Should be classed as a Super Power.
It’s not the fall that kills you- more the sudden stop at the end.

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cjsid
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Had this problem last year had to go round the house and unplug each appliance one at a time turned out to be the freezer in the garage , got rid of and never had the problem since .id=”msg”>

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Brian the Fish
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As above, try switching all the breakers off, then switch them back on one at a time until the breaker trips. This will narrow it down to, hopefully, one circuit.
Then as cjsid says, work from there to isolate the problem item.
id=”msg”>


Brian

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groundhog
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Posted – Today :  12:13:55 PM  Show Profile  Visit groundhog's Homepage
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O.K. guys thanks, will try that but what I don’t understand is why the main circuit breaker is tripping, but none of the circuit RCD’s surely the RCD’s should be the first to trip in the event of a fault?id=”msg”>


“Born to fish Forced to work”
Common Sense is so Rare it Should be classed as a Super Power.
It’s not the fall that kills you- more the sudden stop at the end.

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Brian the Fish
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This can depend on the type of breaker, your main breaker may be more sensitive to a certain kind of fault.id=”msg”>


Brian

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