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Discuss Phases in dado trunking. in the Commercial Electrical Talk area at ElectrciansForums.co.uk.

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  1. Swa33er
    Offline

    Swa33er New EF Member

    Location:
    Uk
    Hi all and thanks in advance for any replies.
    I was wondering if whether when having more than one phase inside a dado trunking are you required to mark up the trunking with a 400v marker/label like you would at a multi gang light switch??
    Cheers
     
  2. Ian1981
    Offline

    Ian1981 Forum Mentor

    Location:
    North east
    No requirement.
    According to bs 7671 a warning label is only required when the line to earth voltage exceeds 230 volts ac. You would only have 400volts between phases.
    I still however label a 3phase db with a 400v sticker/warning notice just the way I was taught and I think it's good practice
     
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    Last edited: Apr 5, 2017
  3. Leesparkykent
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    Leesparkykent Super Moderator Staff Member Super Moderator

    Location:
    Kent
    No there is no requirement.
     
  4. ImpededLoop
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    ImpededLoop Electrician's Arms

    Location:
    West Sussex
    Agree with Lee. Same goes for light switches.
     
  5. Rosco
    Offline

    Rosco Electrician's Arms

    Location:
    Maidstone
    I don't know if it's a requirement (ignore that cheers lee:D) but I certainly would, not a big sticker but maybe the smaller etched ones placed on the lid, just in case someone who isn't competent decides to have go at chucking a couple of extra sockets in.
     
  6. Swa33er
    Offline

    Swa33er New EF Member

    Location:
    Uk
    Thanks all, much appreciated.
     
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