Wierd electrical problem


Postby RussJ » Tue May 25, 2010 8:05 pm

I have a 1990's built house and about a year ago updated the consumer unit from fuse wire to plug-in ECB's. Everything has been fine up till a few days ago when the downstairs lighting circuit tripped.
I reset it and it tripped again about 10 minutes later.
After re-setting I have gone through the house switching on each downstairs light in turn but all lights work OK and none cause the ECB to trip.
I have removed all dimmer switches and replaced them with standard on/off switches but the same thing still happens.
I've swopped relays to see if that made any difference but it didn't.
I can't identify any action which causes the ECB to trip and it often trips when no downstairs light is on and as far as I can see the circuiit is inactive.
Sometimes when I reset there is a flash in the relay and it won't re-set, othertimes it just clicks and all is well - for a while...
The only thing I have been doing is replacing tunsten bulbs with energy saving versions but the upstairs circuit works fine with the new bulbs.
I am at a loss what to do next - any suggestions gratefully received!
Russ
RussJ
Posts: 3
Joined: Tue May 01, 2007 12:37 pm

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Postby RussJ » Wed May 26, 2010 9:55 am

OK, problem solved - I found a loose wire in one of the light fittings...
RussJ
Posts: 3
Joined: Tue May 01, 2007 12:37 pm


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