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Discuss supply tails in the Electrical Wiring, Theories and Regulations area at

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  1. the pict

    the pict Trusted Advisor

    Business Name:
    Devlin Maguire Electrical
    I have just mounted a CU in my own home for this years assesment visit, I had some 25mm single insulated unsheathed can I use this to the CU from the henly blocks or must it be the grey sheathed stuff, I cant find it in the bgb but I am sure its there
  2. telectrix

    telectrix Scouser and Proud of It Trusted Advisor

    Top Poster Of Month

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    you can use it if you put in in containment, e.g. plastic trunking.
  3. malcolmsanford

    malcolmsanford Trusted Advisor

    521.10.1 regarding why tails are normally sheathed
  4. Brendan976

    Brendan976 Regular EF Member

    I would change them to double insulated, looks more professional and one less thing for him to comment on.


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