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  1. T

    Cu change in a flat earth size

    Its unsheathed in the metal conduit, yes. The original water bond is also unsheathed Why does that make its limit higher?
  2. T

    Cu change in a flat earth size

    6mm is okay as a main earthing conductor on a TN-S I guess that's subject to the adiabatic? Does that mean 6mm gas and water bonds from the cu earth bar would be sufficient
  3. T

    Cu change in a flat earth size

    it is a TN-S
  4. T

    Cu change in a flat earth size

    Gas bond 6mm
  5. T

    Cu change in a flat earth size

    In my flat the main earth is the cable pictured below it has 7 strands any idea what size this is? And if it would need to be upgraded for a cu change The bonding is in 6mm but is easy to change to 10mm but I guess that's irelavent if the earth is 6mm? The conduit system the 16mm tails come...
  6. 20220421_185001.jpg

    20220421_185001.jpg

    • Tetris1985
    • Media item
    • Comments: 0
    • Category: Electrical Videos
  7. 20220422_210631.jpg

    20220422_210631.jpg

    • Tetris1985
    • Media item
    • Comments: 0
    • Category: Electrical Videos
  8. T

    Led panels in false ceilings

    I didnt fit them??
  9. T

    Led panels in false ceilings

    I'm guessing it's not as it's not been maintained very well at all with tiles missing and the like and the fire officer never mentioned it... But I can always ask him to be sure
  10. T

    Led panels in false ceilings

    I'm lost xD So it doesn't need wood , or a fire barrier but it could have them both to be a better job? The driver is resting on the tile near the light is that also okay?
  11. T

    Led panels in false ceilings

    I'm guessing the pattress is a bit of wood? The same size as the tile ? The lights do have them except these two must run out of wood xD Is an intumescent barrier a fire hood? Detector? As in fire detector? Above the ceilings? I don't think there are any up there why? Also how would control...
  12. T

    More Led panel questions

    Would it matter if the panel hold not rating of its diffuser? Tp(a) or TP(b)
  13. T

    More Led panel questions

    We are due to have new LED panels installed in a room with a false ceiling. Do the panels need to be TP(a) or TP(b) or neither? If they are neither and the ceiling needs to be fire rated would a hood cover it? School premises manager
  14. T

    Led panels in false ceilings

    We are due to have new LED panels installed in a room with a false ceiling. Do the panels need to be TP(a) or TP(b) or neither? if they are neither and the ceiling needs to be fire rated would a hood cover it?
  15. T

    Feeling dumb megger and voltage indicators

    Nothing really I wanted to try out the multifunction tester... So I turned off the breaker and was just surprised that one device seemed to read continuity and the other didnt
  16. T

    Feeling dumb megger and voltage indicators

    At a light in my home, I have a voltage tester with two probs and a multifunction tester borrowed from work The voltage Indicators shows continuity and beeps between live and neutral But then multifunction set to continuity shows greater than 1000ohms What am I doing wrong xD
  17. T

    Led panels in false ceilings

    Cheers so there's no way to tell from a visual. None of the old lights in the false ceilings that have been here since new have hoods either
  18. T

    Led panels in false ceilings

    Thank you, what would make a false ceiling a fire barrier so I can have a look at other round the school
  19. T

    Led panels in false ceilings

    Hi can any one tell me if led panels or led recessed lights in a false ceiling need fire hoods? Massive void above false ceiling to ro the roof School premises manager
  20. T

    18th edition surge protection

    Thank you its just required by our insurance for circuits that are part of the swimming pool area

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