A 32A breaker was controlling a lighting circuit but is now on a 6A breaker which is now buzzing what should you do?

Answer for countries in Europe and other world areas running a 50 Hz supply service Depending on the load of your lighting circuit. I would measure the current with an inductive amp meter. Once you know the current required for your lighting circuit, you then install a circuit breaker which is 15% higher than your load.Eg, load is 10A.

10A load + 15 % = 12A breaker (15 A is ok as the breaker is used to protect the wiring and should be rated in consequence of your wiring by 25% less or its current rating, or less, not the load) The humming of your lighting circuit breaker indicates that your breaker is either faulty, or having a difficult time keeping a closed circuit. Or simply that the manufacturer produced a breaker that hums by nature of its construction.

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