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  1. Ian1981

    25mm tails why..?

    I think the 16mm tails is more if they are already in situ and replacing them would be awkward and costly to the client when it doesn’t need to be and don’t need replacement ie meter tails 15 meters away and installed within the fabric of the building.
  2. Ian1981

    25mm tails why..?

    New supplies like new build housing up my way , the dno stipulate 25mm tails and a 16mm earthing conductor with a 100 amp main fuse.
  3. Ian1981

    25mm tails why..?

    Nothing wrong with 16mm tails clipped direct on a 80 amp fuse. Nothing wrong with 16mm tails on a 100amp fuse if they’ve been there for years without suffering thermal damage and the loading of the installation does not exceed the ccc and they have adequate fault protection.
  4. Ian1981

    25mm tails why..?

    No it doesn’t
  5. Ian1981

    PVC Conduit size for 1.5mm SWA

    All round band if your a cheapskate :)
  6. Ian1981

    Minimum earth for tncs

    Forthcoming.... Ready or made available when wanted or needed. Which for information is never up my way.
  7. Ian1981

    Minimum earth for tncs

    “Earthing lead” is that an official DNO term is it? You are quite right tho, despite table 54.8 the local DNO should confirm their minimum requirements for the csa of the bonding conductors for TNCS arrangements , shame that they are never forthcoming.
  8. Ian1981

    Any recommendations for a good quality Torque Screw driver set please?

    love Wera, best screwdrivers out there in my opinion
  9. Ian1981

    Any recommendations for a good quality Torque Screw driver set please?

    I looked at mine, it’s actually 1.2Nm to 3.0Nm
  10. Ian1981

    Merlin Gerin MCB

    You’d better check that you don’t need a 10Ka device as the easy 9 are 6 Ka rcbos, not even sure that they fit or should be fitted to the multi9 range, I’d ask Schneider.
  11. Ian1981

    Any recommendations for a good quality Torque Screw driver set please?

    Wera do two versions, one which I have is 1.5-3.0 Nm , the other is 1-7-3.5 Nm.
  12. Ian1981

    Car chargers close to exposed steelwork

    By making the earthing for the EV it’s ownTT island, How will a broken PEN cause an issue when your earthing for the EV is not connected to the PME earthing?
  13. Ian1981

    Car chargers close to exposed steelwork

    No, the electrode you speak of is to supplement the existing earthing arrangement to migrate the effects of hand to foot touch voltage due to a broken PEN. The EV earthing can still be separated and installed on its own TT island.
  14. Ian1981

    Steel Container

    If it had it’s foundations buried in good contact with true earth , then yes id agree. A metallic service pipe is buried directly into the ground and enters an electrical installation. There is also no accessible exposed conductive parts in the cabin.
  15. Ian1981

    Steel Container

    I can’t see why the cabin requires bonding at all.
  16. Ian1981

    Steel Container

    Good night Tel x
  17. Ian1981

    Steel Container

    Of course it’s part of the electrical installation, it forms the enclosure of the spur and is exposed ie class 1 an exposed conductive part.
  18. Ian1981

    Steel Container

    So you are saying that a metal enclosure on a metal clad socket is not an exposed conductive part?? Why would a wall be part of the electrical installation?
  19. Ian1981

    Steel Container

    How can a steel box forming the enclosure of the spur be an extraneous conductive part by definition,when it forms part of the electrical installation? Is it not an exposed conductive part rather than an extraneous conductive part ?
  20. Ian1981

    Steel Container

    I’m not sure that RCD spurs are compliant as they are not included in bs7671 and bs 7288 state that they only provide supplementary protection and that additional protection is assumed upstream.

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