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Discuss Why aren't ring circuits banned? in the Electrical Forum area at ElectrciansForums.co.uk.

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  1. chronyx
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    chronyx Regular EF Member

    Location:
    Surrey, UK
    Doing a lot of EICRs in London at the moment and I'd say every other C.U. has a ring circuit with no continuity on one of the conductors.

    Seeing as the IET see fit to tinker around the edges constantly with the regs, I struggle to understand why these potentially extremely dangerous circuits are still permitted. Yet bonding and earth conductors have almost doubled in size because, well, they said so.

    It's not 1949 anymore. Ban the damn things.
     
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  2. andyb
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    andyb Electrician's Arms

    Location:
    West Sussex
    I like them.
     
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  3. chronyx
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    chronyx Regular EF Member

    Location:
    Surrey, UK
    I don't.
     
  4. kingeri
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    kingeri Trusted Advisor

    Location:
    Yorkshire
    Any circuit can be subject to various failures over the years, not just ring finals. Found a radial socket circuit recently with no cpc continuity beyond the first socket. Had it been a ring, there would still have been an earth connected from the other leg.
     
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  5. Wes1000
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    Wes1000 Regular EF Member

    Location:
    Worcestershire
    Isn't that the fault of the people who tinker with the circuits without knowing what they are doing. Maybe they should ban them instead.
     
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  6. Pete999
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    Pete999 Trusted Advisor

    Location:
    Northampton
    Business Name:
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    I do
     
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  7. Murdoch
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    Murdoch Electrician's Arms

    Location:
    Woking
    I think its horses for courses.... in the "average" house the only rooms where load may be an issue are likely to be the kitchen and utility - so the remaining circuits should all be radials IMHO
     
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  8. chronyx
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    chronyx Regular EF Member

    Location:
    Surrey, UK
    It doesn't matter who's fault it is, it's an inherently dangerous design. Just like plastic C.U.s apparently were/are.
     
  9. chronyx
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    chronyx Regular EF Member

    Location:
    Surrey, UK
    Are we really that strapped we can't just run a 4mm radial? :D It's pathetic.
     
  10. chronyx
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    chronyx Regular EF Member

    Location:
    Surrey, UK
    A 2 second 'Martindale' test would have identified that. (Edit: As opposed to the 'end-to-end' tests that mean dismantling C.U. and circuit)
     
  11. VoltzElectrical
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    VoltzElectrical Electrician's Arms

    I hate Ring Finals. Periodic testing is a pain. We tests some of our public buildings annually for licensing purposes and when there are over 50 distribution boards, the disconnecting and reconnecting of RFD circuits to prove continuity does more harm than good.

    This is my opinion, and I appreciate that others feel differently.
     
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  12. davesparks
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    davesparks Trusted Advisor

    Location:
    guildford
    That would cause a massive price increase on quite a lot of installations as thcable sizes go way up, and potentially cause a loss of redundancy where rings are installed for that purpose.
    Ring circuits are used for a lot more than just domestic socket circuits, they feature ything up to high voltage distribution circuits, where would you draw the line with your 'ban'?
     
  13. kingeri
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    kingeri Trusted Advisor

    Location:
    Yorkshire
    Rings are very versatile circuits, it's a daft idea to ban them based on finding some with faults. I admit I am inclined to install radials for sockets more often than i used to, but then again I tend to install more circuits in total these days too. Gone are the days when there is one ring serving all the sockets in the house! Although this was the case for many years and I don't remember hearing of loads of houses burning down as a result. In my view, it is testament to the robustness of the ring.
     
  14. Murdoch
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    Murdoch Electrician's Arms

    Location:
    Woking
    I was really thinking about those shed sold sockets where getting more than 2 x 2.5mm cables in the terminals can be tricky....
     
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  15. chronyx
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    chronyx Regular EF Member

    Location:
    Surrey, UK
    Crap, we're the only country that uses them.
     
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