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  1. N

    MCB Buzzing

    so if it is just because the circuit is running close to its limit, does this buzzing pose and danger?
  2. N

    MCB Buzzing

    thanks for that, that seems to make sense. what would you recommend doing about it?
  3. N

    MCB Buzzing

    yeah theyre being run by a transformer
  4. N

    MCB Buzzing

    current demand is apporx 4.6A on my calculations, it is a 6A MCB, and the terminations all seem fine
  5. N

    MCB Buzzing

    Hi, I have just installed some LV downlighters in the downstairs of my house and now when the lights are switched on the MCB makes a buzzing sound. Some of the lights are running off a dimmer, would this maybe cause trhe buzzing? or is it something more? thanks in advance
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