Light Sockets Making Humming Noise When Switched On

marginalone

Our Dining room has four light fittings in the ceiling for halogen lamps. When they are switched on there is a humming noise. We removed/replaced each light but same issue. When we removed all the halogen lamps and switched on again the sound is still there.

Whats causing that?

Sterlingtimes

Perhaps the fitting incorporates a transformer. Transformers will often hum.

marginalone

Where would the transformer be located?

squeekswhenwalking

If they are extra low voltage lamps ie 12v the transformer(s) will usually be in the ceiling or the fitting itself. Possibly 1 for several fittings or 1 each. Do you have a dimmer switch as they often humm

marginalone

No dimmer switch

squeekswhenwalking

Are they down lights recessed in ceiling, do lamps just push in or twist?

marginalone

They are recessed in the ceiling x4 and the lamps push in

squeekswhenwalking

The fittings should pull out of the ceiling with a bit of care, the chances are each fitting will have a transformer close to it which will pull out on the cable.

marginalone

So is it a case of replacing transformers?

squeekswhenwalking

http://perthsparky.com.au/led-lighting/ this has a pic which may show set up better

squeekswhenwalking

Possibly just moving to stop vibration, replacement transformers only cheap. Less than a tenner