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Shower 32amp breaker

Former Community Member
Former Community Member
I’ve now seen this a few times, an 8.5kw shower on 6mm t&e with a 32amp breaker.

My question is:

Why do electricians do this, and is it detrimental to the breaker?

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  • 0
    433.1 forbids a small overload (which this is) for a long duration (which it probably is not). I assume that this is about a prolonged overload which will never trip the MCB, so I don't think that it applies in this case.


    In answer to the OP, I suspect that it is done by electricians who work by rule of thumb rather than by proper design. ?
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  • 0
    433.1 forbids a small overload (which this is) for a long duration (which it probably is not). I assume that this is about a prolonged overload which will never trip the MCB, so I don't think that it applies in this case.


    In answer to the OP, I suspect that it is done by electricians who work by rule of thumb rather than by proper design. ?
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