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by iris
Fri Dec 14, 2007 1:36 pm
Forum: Electrics Forum
Topic: Buzzing RCD Consumer unit/supply box
Replies: 3
Views: 14235

Buzzing RCD Consumer unit/supply box

I have noticed quite recently that when I go to my garage where my RCD unit and electricity supply box is, I can hear a buzzing noise coming from one or other of these boxes. What does this mean? The noise comes and goes. Is it dangerous?
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