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  1. D

    UK Swa as main earth ?!?

    And this
  2. D

    UK Swa as main earth ?!?

    This was why I was thinking TT
  3. IMG_1893.jpeg

    IMG_1893.jpeg

    • DJP1997
    • Media item
    • Comments: 0
    • Category: Electrical Videos
  4. D

    UK Swa as main earth ?!?

    This is what Ive got supply end straight into the swa. Earth is 16mm
  5. IMG_1892.jpeg

    IMG_1892.jpeg

    • DJP1997
    • Media item
    • Comments: 0
    • Category: Electrical Videos
  6. D

    UK Swa as main earth ?!?

    The supply is 25mm
  7. D

    UK Swa as main earth ?!?

    R Re done my calves and 16mm I believe… based on 100amp pfc of 658a
  8. D

    UK Swa as main earth ?!?

    Not at the moment… do the solution I have come up with as the customer doesn’t want to run new cable is… 100amp fused switch then run the armoured . Make it off the other end properly and convert all 3 buildings to tt
  9. D

    UK Swa as main earth ?!?

    Hi, yes this is essentially what I have… 25mm tails connected strait to swa that’s run 160m then connected back to 25mm tails that’s then sent of in 3 different buildings..
  10. D

    UK Swa as main earth ?!?

    Yes the plan is to make both ends of the swa of properly.. And I’m not bothered the fact that it’s 120mm but the bit I’m struggling to get a definitive answer on is wether the armour on the 120mm is sufficient to be used as the main earth…
  11. D

    UK Swa as main earth ?!?

  12. D

    UK Swa as main earth ?!?

    Basically what I’m trying to confirm is wether the steel armour on the 120mm has sufficient capacity to act as the main earth conductor from the supply to the 3 properties it feeds…
  13. D

    UK Swa as main earth ?!?

    35mm I believe
  14. D

    UK Swa as main earth ?!?

    Currently TNCS
  15. D

    UK Swa as main earth ?!?

    So I have turned up on a job… someone previously has installed a 120mm 2 core swa from the meter to a barn building 160m away and them split off for the house and barn building in 25mm tails and have used the armour on the swa as the main earth. Both ends of the swa have been terminated badly...
  16. 5FAC2F86-2A0E-4826-AE09-2C9161119EA4.jpeg

    5FAC2F86-2A0E-4826-AE09-2C9161119EA4.jpeg

    • DJP1997
    • Media item
    • Comments: 0
    • Category: Electrical Videos

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