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Buzzing from various plugs/sockets around the house

  • 05-03-2014 9:37am
    #1
    rory0k
    Registered Users, Registered Users 2 Posts: 10 ✭


    This morning I became aware of a little clicking noise coming from my inductive phone charger. I realised I'd been hearing it for a while. While I was changing, I noticed a high-pitch noise coming from my wife's sony charger. Then later in the kitchen, a buzzing noise coming from the socket the microwave was connected to. All around the house, various sockets buzz.

    Is this normal? I've checked my voltage using a meter plug, and it fluctuates between about 236.5 and 237.5, which is normal enough according to the ESB (who's operating range is 207 - 253 Volts)


Comments

  • #2
    [Deleted User]
    Posts: 5,238 ✭✭✭ [Deleted User]


    Some chargers click. Simple 3 stage chargers use relays to activate different circuits depending on battery requirements.
    Some transformers buzz it's induced magnetic noise generally the cheaper the noisier.
    Microwave? No idea.


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