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  1. Les Macaulay

    Practical advice sought

    Wow. Great idea, thanks!
  2. Les Macaulay

    Practical advice sought

    It is almost impossible to match the finished brick work with any kind of filler. Would be good if there were bigger surround plates but the best idea is the metal finger plates for £15 plus VAT each. Plastic ones would not withstand ball strikes in hall area.
  3. Les Macaulay

    Practical advice sought

    No fear of any of this as the sockets in hall were all changed by me years ago to brushed metal type. It's the fact that they cannot be made secure against the gap around part of them that needs attention to detail. What would you do if it was plaster board that had been cut slightly over the...
  4. Les Macaulay

    Practical advice sought

    This is what I am up against. The full story is, I am a voluntary worker as a retired spark and member of my local church. I even updated to the 17th and Insp & Test exams and passed three years ago. Just trying to keep myself useful and sane at the same time. Cheers. Finished brick work should...
  5. Les Macaulay

    Practical advice sought

    Thanks for the Yazoo box idea - was reading about them in the PE mag. I wondered if when removing the Yazoo when cement/plaster is dry would this break it away trying to release the grip of the surrounding plaster? The brushed steel finger plates cost £15 plus PT but it seems the neatest...
  6. Les Macaulay

    Practical advice sought

    Many thanks for this. Was thinking of this as an "if only they made a strong 2-gang finger plate. Will take up this suggestion on Internet as local suppliers not heard of them when I asked. Cheers.
  7. Les Macaulay

    Practical advice sought

    Thanks for good advice, men.
  8. Les Macaulay

    Practical advice sought

    Guys, I have to improve the situation where original socket outlets were flush installed into the fawn coloured finished brickwork. The job is 20 years old, and was done by non-electricians. They have simply left part of the brick out when building walls where a socket was to be installed...
  9. Les Macaulay

    Measured Loop impedance

    Measure Ze at the supply terminals and add R1+R2, the result is inserted into the Zs column. There is no doubt that a live Zs reading at the switch or light is best but we are allowed this method - see Guidance Note 3.
  10. Les Macaulay

    Moulded Case Circuit Breakers

    That's the first time I've heard this. So Zs needs to comply with the disconnection times regardless of any RCD. Is there not the possibility that the rcd can be added because the Zs is too high for ADS?
  11. Les Macaulay

    No live testing except where it's a must

    Again, Markc123 is reading from the same song sheet as I. There is no doubt that live testing is the only true reading you will get but if R1 +R2 measured dead then added to Zs, is within the limits imposed for disconnection times then I think that everyone will accept the reading attained this...
  12. Les Macaulay

    No live testing except where it's a must

    sockets are tested live
  13. Les Macaulay

    No live testing except where it's a must

    It's because there is no option other than live testing. A socket is ok as the test lead is designed to be safely plugged in, they say. I'm not arguing against live testing, simply stating what is recommended by trainers on the Inspection Courses. We were made to wear gogles while doing the...
  14. Les Macaulay

    No live testing except where it's a must

    Adam, that's all very well but I was told of a factory inspector or similar reported a spark who was working in a warehouse that had been flooded and left the app standing by at the main dist board as a "safe Isolation". Again if these guys did appear on site you cannot assume you know better...
  15. Les Macaulay

    No live testing except where it's a must

    I did qualify that, inverter!
  16. Les Macaulay

    No live testing except where it's a must

    I agree with all of you but the local college doesn't advise live testing of Zs, just as Markc123 said above. Is there not a call for say BC adapter leads and small and large and giant ES adapter leads for loop testers? So no H & S inspector walking in on me probing behind a FCU for a Zs...
  17. Les Macaulay

    No live testing except where it's a must

    Do you agree that we only should be working dead when establishing the Zs for final circuits other than socket outlet circuits? That is, don't use the line, neutral and earth probes of the E/L tester except for Ze and Ipsc. Simply add R1+R2 to Ze.
  18. Les Macaulay

    circuit breakers going off??

    ok Guys, but I was taught that we should not be using a live earth loop test on lighting circuits, but should measure R1+R2 and add to Ze to give Zs, i.e. avoid live testing except where it's essential, eg for Ze.
  19. Les Macaulay

    Moulded Case Circuit Breakers

    Thanks for that, moose. If type c is fitted with an rcd pod to convert it to an RCBO, am I correct in saying that Table 41.3(b) isn't relevant re max Zs value of that circuit, so long as the RCD test proves satisfactory?
  20. Les Macaulay

    Moulded Case Circuit Breakers

    Under what circumstances are type C cb's required?

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