In an earlier contribution to this discussion,
neil wrote:

I just got a new ceiling light a big old thing with 8 bulbs and a
transformer, after spending some time moving the hole in the ceiling
so i could fix the light to a joist, i finally got fitted and when i
switch it on it hums quite loudly and flickers, does anyone have any
ideas why this is or should i admit defeat and get in a professional.


Is it powered via an ordinary switch, or a dimmer? If the latter, you could
have an incompatibility between the dimmer and the transformer. Otherwise,
you may have a bad connection - or it may be incorrectly wired. Take it
down, and connect a cable to it with a 13 amp plug on the other end. Plug it
into a socket and see whether it still hums and flickers. If it does, the
chances are that it is faulty. If it's ok, there's a problem with your
ceiling wiring.
--
Cheers,
Set Square
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