Discuss Fault on lighting circuit in the Industrial Electrician Talk area at ElectriciansForums.net

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s6stu

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Hi people,

I've got to give a price to do a few works at a house, which includes fixing a lighting fault and was hoping to get some views of the problem beforehand.

The problem is with some low voltage downlighters, after about 10 mins, 2 of the lamps become really dull (always the same 2) while the others remain constant. Then after another few mins they return to full power?

I'm thinking there has to be a problem with the transformers.

Any suggestions?
 
also check if the trannys are wrapped up in insulation too..that dont do them too much good either..
 
Hi,
if the transformer is the problem why does it work ? the only way it can break is if it goes open circuit or breaks down between windings ,both of which are perminent situations ,i would check for a loose connection and that there not wired in series first ,also swap the transformer with the ones that work before condeming the poor thing ,
good luck
 

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