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Discuss Shock from mirror demister! in the Electrical Forum area at ElectrciansForums.co.uk.

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  1. Tom0787
    Offline

    Tom0787 EF Member

    Location:
    Dorset
    Evening all

    Moved into the new house yesterday and started out by installing the heated mirrors in the bathrooms.

    First one went without a hitch because we had the builder put in switched feeds to each of the mirror positions.

    The mirrors are plain cut ones each with an adhesive demister pad on the back which are then wired to the live and neutral.

    As we moved the second mirror into position I touched the metal tile trim which runs around the recess for the mirror with the same hand that was holding the mirror and got a shock.

    I’ve checked all the wiring and all seems fine.

    Any ideas or I do I need to call in the professionals??
     
  2. 123
    Online

    123 Electrician's Arms

    Call in the pro's

    Is this a new build?
     
  3. Pete999
    Online

    Pete999 Trusted Advisor

    Top Poster Of Month

    Location:
    Northampton
    Business Name:
    None
    Call the builder back, did y9ou get any test certificates? I assume that the supplies to the mirrors were classed as extras to the main install, you should have received test certs for the extras, or was it a cash in hand jobby
     
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  4. Tom0787
    Offline

    Tom0787 EF Member

    Location:
    Dorset
    Yes it’s a new Build.
    I’ve called the builder and await a response.

    Could it possibly be a fault with the demister it is it more likely to be down to the wiring?

    Thanks!
     
  5. Wilko
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    Wilko Electrician's Arms

    Location:
    Berkshire
    Business Name:
    Wilko Electrics
    Hi Tom and welcome to the Forum!
    Safety first - turn that circuit off and get expert assistance as has already been said ... It could be just the mirror or its possible the wall could also be live. This can occur when a cable in the wall gets nicked by a nail / screw. So the fault may not even be the circuit the mirror is on, best to do a full check.
     
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  6. DPG
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    DPG Electrician's Arms

    Location:
    S Yorkshire
    And let us know the outcome!
     
  7. Tom0787
    Offline

    Tom0787 EF Member

    Location:
    Dorset
    Ok, going to get someone qualified!

    Out of interest, if a plasterboard nail has nicked the cable and the wall is live as a result, how would you test for that??

    Also, I have found that the sparky has left another run of cable under the sink in the vality unit which I assume is for a shaver socket. It’s not terminated and just has wako push connectors on the ends. Surely that’s not compliant?!
     
  8. Des 56
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    Des 56 Trusted Advisor

    Location:
    Gliese 581C
    Iee wiring regs 526.5

    Every termination blah blah blah shall be made at an accessory or ------------------ a enclosure
     
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  9. Tom0787
    Offline

    Tom0787 EF Member

    Location:
    Dorset
    So not terminating the wiring is reasonable grounds to get him back?
     
  10. Wilko
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    Wilko Electrician's Arms

    Location:
    Berkshire
    Business Name:
    Wilko Electrics
    This may be tough to find unless you've a "smoking gun" as is your case. Is there an RCD for this circuit?
     
  11. Tom0787
    Offline

    Tom0787 EF Member

    Location:
    Dorset
    This circuit is on the upstairs lighting RCD
     
    • Like Like x 1
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