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Discuss Ring Main with sockets not working in the Electrical Forum area at ElectriciansForums.net

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alpelec

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Hi, I recently went to look at a house with about 10 sockets not working. Checked the continuity on the ring main ends - all good. I turned off all other socket circuits in the board just to make sure no crossed circuits - still the same, about 5 sockets working and the rest (about 10) not working.
No live/earth continuity at the non-working sockets either. Tested the ends in a non-working socket with all the ends connected at the board. Neutrals reading ok but open circuit on the lives & earths. I'm usually pretty good at fault-finding but this one has got me baffled.

Any ideas much appreciated.
 
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telectrix

telectrix

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Arms
i'm in cheshire. you want me to assist? fault finding is so much easier with 2 heads and 4 hands.
 
westward10

westward10

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If you have continuity at the board, end to ends but not at the sockets which do not function apart from the neutrals you may have a figure of eight situation which has broken down.
 
telectrix

telectrix

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Arms
it's a head scratcher without being on site.
 
A

alpelec

  • Thread Starter Thread Starter
  • #6
fuse spur any where .
I did think about a fused spur some where but 10 sockets on a FCU? and the earths are open at the sockets not just the lives. I checked inside every socket and looked for any switches/spurs but nothing.
 
buzzlightyear

buzzlightyear

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did you take the tails out of the sockets and split the circuit .
 
telectrix

telectrix

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I did think about a fused spur some where but 10 sockets on a FCU? and the earths are open at the sockets not just the lives. I checked inside every socket and looked for any switches/spurs but nothing.
2 hours. i'll find it.
 
A

alpelec

  • Thread Starter Thread Starter
  • #9
did you take the tails out of the sockets and split the circuit .
Yes I tried that but don't understand why the ends of the non-working sockets are open excluding the neutrals.
 
buzzlightyear

buzzlightyear

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I would start from one end to mid point and go from there.
 
A

alpelec

  • Thread Starter Thread Starter
  • #12
If you have continuity at the board, end to ends but not at the sockets which do not function apart from the neutrals you may have a figure of eight situation which has broken down.
The ring within a ring is what I was thinking. Work has been done in the past. New conservatory and kitchen. Some of the kitchen is in new wiring colours but no obvious Jb's or joins in sockets. T&G chipboard flooring above with fitted carpets and plenty of furniture too. Flooring would have had to be cut though above somewhere so may be obvious if some of the rooms were emptied.
 

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