Buzzing consumer unit


Postby Lawrence » Sun Oct 18, 2009 9:48 am

I have recently fitted some dimmable low energy bulbs and changed the dimmer switch (link below) which I was advised was designed to be used with low energy dimmable bulbs

However, when I now have the lights on (dimmed or on full power) I get a buzzing on the breaker at the consumer unit.

Does anyone know why I get this buzzing and how I can stop it

thanks



Google "theinternetelectricalstore.com/hq7w-1-gang-1or2-way-0-120-watt-push-onoff-standard-dimmer-switch-white-plastic-white-knob-702-p.asp"
Lawrence
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Postby steve the plumber » Mon Oct 19, 2009 12:52 pm

How many bulbs are operated by the switch and what wattage are they?
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Postby Lawrence » Tue Oct 20, 2009 6:27 am

there are 6 x 9W bulbs
the circuit is a 2 way with only one dimmer switch

thanks
Lawrence
Posts: 50
Joined: Mon May 07, 2007 7:04 am


Postby steve the plumber » Tue Oct 20, 2009 4:31 pm

It's normal for the dimmer switch to be buzzing but not the on the MCB.

I wouldn't use a dimmer on low energy lighting. Fit a normal switch and see if the buzzing stops.
steve the plumber
Posts: 72
Joined: Mon May 04, 2009 9:32 pm


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