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  1. weevilward

    Need some ideas - RCD tripping but everything tests fine....

    That is a niche fault, Vortigern! I'll have a look at the strappers, but I can't make it trip by operating the 2 way switching, and it has no effect on the ramp test in either position.
  2. weevilward

    Need some ideas - RCD tripping but everything tests fine....

    I don't have a clamp meter but ramp testing with and without everything on shows a cumulative leakage of 4mA difference - this is effectively doing the same as a clamp meter in this case?
  3. weevilward

    Need some ideas - RCD tripping but everything tests fine....

    Hi Buzz, no I don't, it's not happening often enough to see. I've IR'd the circuits individually and the RFC sockets shows 8M so it's most likely something on this circuit.
  4. weevilward

    Need some ideas - RCD tripping but everything tests fine....

    Good idea but no. CH and HW fully functioned - 3-way valve, boiler, pump, all sweet.
  5. weevilward

    Need some ideas - RCD tripping but everything tests fine....

    Small 2 up 2 down with outhouse. Nothing major really, tested every, inspected everything.
  6. weevilward

    Need some ideas - RCD tripping but everything tests fine....

    No, nothing new/changed in several months, the problem started about 3 weeks ago.
  7. weevilward

    Need some ideas - RCD tripping but everything tests fine....

    Think I'm gonna have to just change the RCD for a new one today and see what happens... 'Tis 5 o'clock after all I'm not convinced it's a faulty RCD though. Please keep any ideas coming, I'll post if swapping RCD fixes it. Cheers guys
  8. weevilward

    Need some ideas - RCD tripping but everything tests fine....

    Ramp test with everything on and running 19mA - I've tested loads of RCDs on load like this and never has one tripped out. I agree the most likely cause at the moment is combined leakage when something starts up, I just haven't been able to reproduce it. She also says the RCD was 'tripped'...
  9. weevilward

    Need some ideas - RCD tripping but everything tests fine....

    I thought that but I've been here ages and cycled everything on / off. What is bugging me is the ELI test tripping it, never seen that before
  10. weevilward

    Need some ideas - RCD tripping but everything tests fine....

    Borrowed neutral in lights - Nope. Even if there was, all 5 circuits are on the same RCD so it wouldn't show.
  11. weevilward

    Need some ideas - RCD tripping but everything tests fine....

    Hi all, Customer reports sporadic nuisance tripping of RCD. I cannot reproduce it, or fault anything, except SOMETIMES on EFLI test it trips the RCD (megger mft 1553 'no trip' test). I'm out of ideas here, can anyone help? This is what I've got: - TT installation (small domestic); - 30mA RCCB...
  12. weevilward

    Question about explosion

    Hi all, On a similar note - a warning about cheap Li-Ion LED head torches (coz they are brilliantly and I know most of us use them) - mine burst into flames when on charge overnight and set fire to some stuff in my utility room. Me and my family were saved by the trusty AICO smokes I had...
  13. IMG_1994.JPG

    IMG_1994.JPG

    • weevilward
    • Media item
    • Comments: 0
    • Category: Electrical Videos
  14. weevilward

    What are you doing/done today

    Is if that the cover is off the board without the main switch safely locked off ????? Tut tut... Stroma make me do this on the annual surveillance visit
  15. weevilward

    Metal lamppost in garden... TNC-S

    Ha ha, no it's not the tallest thing by a long shot... Redirect Notice - https://goo.gl/images/RszhTX
  16. weevilward

    Metal lamppost in garden... TNC-S

    Thanks Richard, this makes sense.
  17. weevilward

    Metal lamppost in garden... TNC-S

    It doesn't need RCD but it wouldn't hurt to have it. Yeah this one is pretty rusty!
  18. weevilward

    Metal lamppost in garden... TNC-S

    So I'm reading too much into it. Thanks fellas. Never thought twice about domestic outside lighting before, but when something different comes along it makes you think twice...
  19. weevilward

    Metal lamppost in garden... TNC-S

    Ok, so touching a radiator bonded in the house in no different to touching a lamppost bonded in the garden? Is that what you're getting at?
  20. weevilward

    Metal lamppost in garden... TNC-S

    Ok, so touching a radiator bonded in the house in no different to touching a lamppost bonded in the garden? Is that what you're getting at?

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