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  1. J

    CU Entry, Old 1980s cable (?)

    Thanks for the help chaps. Clearly my 1986 building is a little special haha
  2. J

    CU Entry, Old 1980s cable (?)

    I shall give standard grommet a go, it's just going to be tight as the oval cable is 20mm and most holes are 20mm, the grommet will use 1-2mm, I'll just have to squeeze the cable a bit.
  3. J

    CU Entry, Old 1980s cable (?)

    £150 at cef.
  4. J

    CU Entry, Old 1980s cable (?)

    Only 1 AFDD!
  5. J

    CU Entry, Old 1980s cable (?)

    I'm also a complete geek so I'm putting in type 2/3 SPD, help protect my equipment but also trying an AFDD on my main ring mostly just out of interest.
  6. J

    CU Entry, Old 1980s cable (?)

    I am changing the board for many reasons. I have 3 boards with eco7, all eco7 devices can now be set digitally to switch on so I don't want the multiple units/cables. One board is an old fuse board, I want rid of that. Only half the circuits are covered by RCD, installing all RCBO instead etc.
  7. J

    CU Entry, Old 1980s cable (?)

    snowhead - You're right, I only just remember. Singles and yes this place is all concrete floors and these cables disappear into them.
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    DSC_0771.JPG

    • jon557
    • Media item
    • Comments: 0
    • Category: Professional Electrician
  9. J

    CU Entry, Old 1980s cable (?)

    I think I'm stuck again, I need 9 cables to enter the new CU but these cables are 20mm X 10mm and most entry points are 20mm x 20mm.
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    DSC_0770.JPG

    • jon557
    • Media item
    • Comments: 0
    • Category: Professional Electrician
  11. DSC_0768.JPG

    DSC_0768.JPG

    • jon557
    • Media item
    • Comments: 0
    • Category: Professional Electrician
  12. DSC_0767.JPG

    DSC_0767.JPG

    • jon557
    • Media item
    • Comments: 0
    • Category: Professional Electrician
  13. J

    CU Entry, Old 1980s cable (?)

    So the options I identified were: 1) Some sort of grommet specific for this oval cable 2) Perhaps the whiska membrane grommets work, never seen them before. Sounds like they will. 3) Worse case scenario I have a box next to my CU that crimps all these cables into new grey twin & earth, which...
  14. J

    CU Entry, Old 1980s cable (?)

    Hi, Does anyone recognise this cable? Within it is all twin & earth but the externals are different colours (orange for 2.5, blue for 1.5 etc.). I believe someone told me this cable was specifically for being plastered over. Inside the cores have a lot of free air. If I know what it's called I...
  15. DSC_0766.JPG

    DSC_0766.JPG

    • jon557
    • Media item
    • Comments: 0
    • Category: Professional Electrician
  16. J

    CU Cable Bunching..?

    Great thanks guys. I asked a STROMA assessor about this too and he said it was fine, the regs are more concerned with bunching cables in a run. I wish the regs would put some extra detail around stuff like this. I follow a few sparks on Youtube, Thomas Nagy is my favourite. I just checked and I...
  17. J

    CU Cable Bunching..?

    Hi, Quick question that has been baffling me, I have seen many CUs whereby the cables enter shared entry points. Does this not mean the cables are now bunched according to the regs? And this all cables should have been calculated with the capacity drop? Or is a CU entry just a bit pedantic for...
  18. J

    What cable type is this? SWA?

    You don't want to see the rest of it! The extension (another fuse board) is quite odd. The end MCB is the power for two fuses in the other fuse board.
  19. J

    What cable type is this? SWA?

    The timer is now no longer required as all the spotlights have dusk sensors. It's also extremely old.
  20. IMG_20171011_122241_resized_20171014_083045720.jpg

    IMG_20171011_122241_resized_20171014_083045720.jpg

    • jon557
    • Media item
    • Comments: 0
    • Category: Professional Electrician

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