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Pete999

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Afternoon chaps and chapettes, got a tricky one for discussions, firstly let me explain I am an Electrician (retired some six years now) my neighbour has just changed his consumers unit, or had it changed by someone and asked me to check it out as it keeps tripping without any load connected, I don't have any gizmos like like you young things have, didn't manage to take them with me when I left work. M y thoughts are that the sparky has got the phase wires on the two rings crossed, only one RCD any thoughts
Pete999
 
Disconnect each circuit one by one to find the offending circuit, then investigate the offending circuit, could be N to earth, L to earth, anything really.
 
The CU has 2 rings, with nothing plugged in all OK as soon as you plug anything in, in either ring RCD goes off
 
Nah tried all the usual things like that,still think the "sparky"????? got his rings mixed up, going with a friend who is still working to try and help out, let you all know if he can find out whats wrong.
Pete999
 
Could be anything really, Without test results its a difficult one to diagnose.. New duel board and lots of people get court out by shared nuetural but again without a tester and results its a tough one to call..

You sure everything is disconnected? Light on the top / bottom stairs deffo not on ?
 
Is it a dual RCD split load board ? It could be due to the neutrals being crossed over or a shared neutral with upstairs and down stairs lights or a borrowed neutal from a socket circuit to supply a lighting circuit.
 
Afternoon chaps and chapettes, got a tricky one for discussions, firstly let me explain I am an Electrician (retired some six years now) my neighbour has just changed his consumers unit, or had it changed by someone and asked me to check it out as it keeps tripping without any load connected, I don't have any gizmos like like you young things have, didn't manage to take them with me when I left work. M y thoughts are that the sparky has got the phase wires on the two rings crossed, only one RCD any thoughts
Pete999

New fuse board, only 1 RCD.

Please come clean - who changed it? Who bought it?
 
That's right if the board has been changed your man should of been given a full test cert best get the professionals in before it all goes Bad
 
going with a friend who is still working to try and help out, let you all know if he can find out whats wrong.
shouldn't be too taxing for a competent electrician to diagnose and rectify.
but, as has been mentioned, if it has been installed recently, get them in to sort it
 
It was changed yesterday he fitted it, put the cover on and did the foxtrot
Pete999
 

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