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In article ,
(Tahir Hussein) writes:
Hi all,

I have tried searching these forums but didn't see anything which was
a direct help...

I have 6 Halogen lights in the kitchen configured as 2 banks of 3.
These were installed by the previous owner when the kitchne was
extended 7 years ago. I have not had to replace any of these since
moving in 3 years ago.

Last week one of the set of 3 lights started to intermittently go off
and then back on again. Last night on the advice from a friend I
checked the switch and found that one of the wires was loose. I
thought I had found the problem but alas the lights as still going off
and on. It is always the same set of 3.

Does anyone have any ideas on what could be going wrong or the sort of
thing I could try to isolate the problem.

Transformer overheating and thermal protection cutting out/in.
You should find the cause of this -- if the thermal protection
wears out, you might end up with a fire.

--
Andrew Gabriel