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Discuss New build outside light in the Electrical Forum area at ElectrciansForums.co.uk.

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  1. clematis432
    Offline

    clematis432 Regular EF Member

    Location:
    Ayr
    Hi, is it a requirement to run an earth wire to outside light(although its double insulated) or is it probably just best practice ? I was replacing my son,s existing outside light on a new build house with a pir security light but found there was no earth to his existing light. Thanks
     
  2. Pete999
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    Pete999 Forum Mentor

    Location:
    Northampton
    Business Name:
    None
    All electrical points require a cpc (earth wire) whether used or not
     
    • Agree Agree x 1
  3. Strima
    Online

    Strima Electrician's Arms

    Location:
    St Neots
    Either I'm going blind or it's not in the book that every circuit shall have a CPC?

    Sanity check please, 543 onwards.
     
    • Agree Agree x 2
  4. Midwest
    Offline

    Midwest Electrician's Arms

    Location:
    Oxfordshire
    Have a closer look, guess the new build sparky has snipped off the annoying earth wire; it'll be hidden inside the outer sheathing.
     
  5. Risteard
    Offline

    Risteard Respected Member

    Location:
    Derry, Ireland
    Business Name:
    Walsh Electrical Services
    Every point in the wiring (not just every circuit) must have a cpc terminated. So obviously a cpc is required at a luminaire, whether inside or outside.
     
    • Agree Agree x 3
  6. clematis432
    Offline

    clematis432 Regular EF Member

    Location:
    Ayr
    Thanks gents, just wonder now if my son can push Bellway(the builder) to run an earth to the light fitting. The house is 15 months old
     
  7. littlespark
    Offline

    littlespark Electrician's Arms

    Location:
    Scottish Borders
    you might want to check all the lighting points for a cpc. Switches and lights.
    I would think a new build domestic property would be wired in grey twin and earth.... and the earth is there, just cut off.
    It could be a pain if there’s not enough spare cable to pull
     
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  8. Strima
    Online

    Strima Electrician's Arms

    Location:
    St Neots
    But where is it written? I'm not being pedantic, I can't find it in the book.
     
  9. Ian1981
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    Ian1981 Forum Mentor

    Location:
    North east
    Part 4 chapter 41 ADS
    411.3.11
     
  10. chris gray
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    chris gray Electrician's Arms

    Any chance you can put up a pic pls Ian?
     
  11. Ian1981
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    Ian1981 Forum Mentor

    Location:
    North east
    Okay
     
    • Like Like x 1
  12. chris gray
    Offline

    chris gray Electrician's Arms

    The only reason I ask is because I have before now pulled in a 2c flex through pvc pipe to an external class 2 luminaire
     
  13. Ian1981
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    Ian1981 Forum Mentor

    Location:
    North east
    06F8DAA9-E33A-4BBA-8A17-11E5F1AAB986.jpeg
     
    • Like Like x 2
  14. chris gray
    Offline

    chris gray Electrician's Arms

    With me using pvc pipe between points i was under the impression that a cpc
    Could be added as required. Would appear I was wrong
     
  15. Strima
    Online

    Strima Electrician's Arms

    Location:
    St Neots
    • Funny Funny x 2
    • Like Like x 1
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