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  1. Sparky5473
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    Sparky5473 New EF Member

    hi guys, Is it still ok to add a new circuit to an all insulated consumer unit in a domestic dwelling. I only ask as my previous employer always changed consumer units for metal when adding a circuit. I know this is probably a stupid question.

    Thanks for replies
     
  2. westward10
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    westward10 In echoed steps I walk across an empty dream. Electrician's Arms

    Location:
    Northamptonshire
    Providing there are no issues with it which may affect the installations safety then yes.
     
    • Agree Agree x 6
  3. Murdoch
    Offline

    Murdoch Electrician's Arms

    Location:
    Woking
    If under a staircase I would recommend AMD3 boards
     
    • Disagree Disagree x 3
    • Agree Agree x 1
  4. ipf
    Offline

    ipf Trusted Advisor

    Yes, of course it is. Not a stupid question because I'm sure plenty others 'aren't sure'.....although, I don't know why. Basically, why should a consumer have to go to the expense of shelling out for a new cu as well as a new circuit. The existing cu has, presumably, been installed to the regulation edition applicable, at the time. With necessary testing prior to work...no problem, as far as I'm concerned.
     
    • Agree Agree x 3
  5. Pete999
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    Pete999 Trusted Advisor

    Top Poster Of Month

    Location:
    Northampton
    Business Name:
    None
    Well of course your employer would change the CU cuz he is a con man, as Westward has already stated, no big deal if everything else is OK.
     
    • Like Like x 1
  6. Pete999
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    Pete999 Trusted Advisor

    Top Poster Of Month

    Location:
    Northampton
    Business Name:
    None
    So would I if a new CU WAS REQUIRED. But I wouldn't change the CU just because a new circuit has been added providing it complied with the regulations when it was installed.
     
    • Agree Agree x 7
  7. Murdoch
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    Murdoch Electrician's Arms

    Location:
    Woking
    Pete999 - I said recommend - not insist!
     
    • Like Like x 1
  8. ipf
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    ipf Trusted Advisor

    Now that depends on the state of the existing board...…..and the capability of the 'person' installing the new circuit.
     
  9. Pete999
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    Pete999 Trusted Advisor

    Top Poster Of Month

    Location:
    Northampton
    Business Name:
    None
    I
    OK point taken, but in contex with the OP it looked like you were saying "a new circuit required a new CU, a misunderstanding I think, no offence meant.
     
    • Like Like x 1
  10. loplug
    Offline

    loplug Electrician's Arms

    Location:
    Cornwall
    I agree that I would recommend replacement to Amd3 board if under a wooden stair case or in the only escape route unless it is other wise protected to prevent the spread of fire. other wise if it is in good condition and no other issues leave it as is
     
    • Agree Agree x 1
    • Disagree Disagree x 1
  11. Sparky5473
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    Sparky5473 New EF Member

    Thanks guys, it’s a fairly recent MK sentry dual RCD board, all complete and intact, not on only means of escape and not under stairs. I was pretty sure was ok to add a circuit but wanted to make sure
     
    • Agree Agree x 1
  12. Ian1981
    Offline

    Ian1981 Electrician's Arms

    Location:
    North east
    My opinion is that the location of the DB is irrelevant regarding if plastic.
    Guidance apparently is under wooden stairs and the sole means of escape is coded but I don’t see the relevance in regard to the regulation which states what the DB must be(non combustible etc) and the location it’s in.
     
    • Agree Agree x 1
  13. ipf
    Offline

    ipf Trusted Advisor

    If the installation is sound, your reasoning isn't. The Amd 3 regarding metal consumer units only came about because of a degradation in the standard of installers.
    Note. I call them installers rather than fully qualified electricians.:(
     
    • Agree Agree x 2
    • Winner Winner x 1
  14. loplug
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    loplug Electrician's Arms

    Location:
    Cornwall
    My reasoning is that that is what guidance tells us to do.
     
  15. Phil Thompson
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    Phil Thompson Let us light up your life! Electrician's Arms

    Location:
    Newtownards
    Business Name:
    Brite Spark Electrical
    Defo agree on the installers thing.

    Saw a spark trading as his and his business partners initials Electrical Solutions

    He was tagged on a post on Facebook of a woman looking someone to check her phone line, he said he can’t do phones and data. And last week he posted on the same mums group looking for someone to do a network.

    The 2 boys are 24 and 28 iirc
    I’d a customer back in September who had approached 3 different sparks to do 3 phase work at an industrial estate he had bought and was looking to increase number of units. All said they don’t do 3 phase work.

    Sadly it seems to be very common for guys only knowing basic domestic.
     
    • Agree Agree x 3
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