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Discuss Kitchen sink earth bonding in the Electrical Forum area at ElectrciansForums.co.uk.

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  1. ComeOnSFF
    Offline

    ComeOnSFF New EF Member

    Location:
    bristol
    Hi,

    Apols for the long post.

    I do small maintenance plumbing, inc quite a lot of taps. I have zero knowledge/experience with electrics so please excuse any misuse of the lingo.

    It's my understanding that flexible hoses (the type supplied with many taps) do not comply with earthing and so if there is a pre-existing tap piped up in rigid copper and you would like to replace it and install flexible hoses instead you should not do this if the rigid copper pipework and sink have earthing cables on them as this would break the continuity...?

    However I've also been told that bonding kitchen sinks/taps is no longer done/considered necessary. And so presumably in many case the earthing cables that remain there are not necessary any more and have just not been removed.

    What I want to know is - as someone with no electrcial knowledge - is there some visual inspection I can do of the consumer unit or whathaveyou to know that I can safely install flexible hoses? And conversely a visual inspection I can do to confirm that it would be unsafe to?

    Any advice gratefully received.

    Thanks
     
  2. kingeri
    Offline

    kingeri Trusted Advisor

    Location:
    Yorkshire
    Bonding kitchen sinks went out with the ark (thankfully). Just fit the flexible pipework, no problem. Looking at the consumer unit or other electrics won't help you.
     
    • Agree Agree x 1
  3. Wilko
    Online

    Wilko Electrician's Arms

    Location:
    Berkshire
    Business Name:
    Wilko Electrics
    There is often the stopcock under the sink with a green/yellow cable attached. That one must be preserved :)
     
    • Agree Agree x 3
  4. Des 56
    Offline

    Des 56 Trusted Advisor

    Location:
    Gliese 581C
    They are getting few and far between but metal wastes were once very common,there is occasion when these require bonding,keep it in mind
     
  5. Midwest
    Offline

    Midwest Electrician's Arms

    Location:
    Oxfordshire
    Glad they did, 'cos getting to that poxy lug was a friggin nightmare.
     
    • Agree Agree x 1
  6. kingeri
    Offline

    kingeri Trusted Advisor

    Location:
    Yorkshire
    Luckily I just about missed having to do any, went out with the 15th didn't it?
     
  7. Midwest
    Offline

    Midwest Electrician's Arms

    Location:
    Oxfordshire
    Can't remember, I went on a sabbatical during the 15th, but at some point it did, along with bonding radiators & metal garage doors o_O
     
  8. kingeri
    Offline

    kingeri Trusted Advisor

    Location:
    Yorkshire
    I was at school during the 15th!
     
  9. Midwest
    Offline

    Midwest Electrician's Arms

    Location:
    Oxfordshire
    Yeah tell me about. Your day will come. In the meantime have lots of holidays, lots of cars and anything else you can't possibly afford :)
     
    • Like Like x 1
  10. wirepuller
    Offline

    wirepuller Trusted Advisor

    Location:
    south uk
    I was once faced with a sink being installed by the kitchen fitter on a site which actually stated on the packaging....' THIS SINK MUST BE EARTHED'.
    Try getting Kev to understand that there's no requirement to 'earth' a sink when some knob in China has printed that on the box. Mind you....what does it say in the BYB about manufacturers instructions?
     
    • Funny Funny x 1
  11. Gavin John Hyde
    Offline

    Gavin John Hyde Electrician's Arms

    Location:
    Somerset
    Business Name:
    Sulis Electrical Services Ltd
    And do not box it in either as i saw one family doing when putting a new kitchen in as quote "we have never used it so thought it wouldn't matter!!"
     
    • Like Like x 1
  12. PEG
    Offline

    PEG Trusted Advisor

    Location:
    Manchester
    That made me remember a kitchen i viewed at a pals,where the fitters had the ends of two units,lined up with the stop tap.

    Instead of cutting a section out of both,they turned the brass handle, plumb,and had it between the two ends,20mm apart....you could see it with a torch,held captive,by it's chipboard minders...

    Despite me pals attempts to impress us,with the under-mounted sink,and his over priced Corian...it is that tap,that stuck in my mind:(
     
    • Funny Funny x 3
    • Like Like x 1
  13. HandySparks
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    HandySparks Trusted Advisor

    Location:
    Hampshire
    Business Name:
    Neish Electrical Services
    I was once employed to find a main stop valve. Turned out to be right in the corner.

    145-002.JPG
     
    • Like Like x 1
  14. ComeOnSFF
    Offline

    ComeOnSFF New EF Member

    Location:
    bristol
    Thanks all.
     
  15. Risteard
    Offline

    Risteard Electrician's Arms

    Location:
    Derry, Ireland
    Business Name:
    Walsh Electrical Services
    Unfortunately that is quite common on sinks, despite the fact that they never had to be earthed. Incidentally, ET101 still requires sinks to be supplementary bonded.
     
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