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  1. R

    SWA Termination Query

    Having investigated further we found a joint in the cable, thinking this was the obvious culprit from tripping after heavy rain we removed the rubber protective sheathing to find no signs of water or corrosion unfortunately! Although what we have found is the armour has not been joined to...
  2. R

    SWA Termination Query

    Great thanks, that makes sense. We are investigating further today encase we find anything obvious before getting the sparky out - don't worry the power is off! :D Will come back here if we find anything unusual!
  3. R

    SWA Termination Query

    Thanks. Straight to the point! Very vague question but assuming the cable is not damaged in any way - by only having one end earthed does this increase the chances of a trip? I am assuming not if the external armouring is intact and not damaged. The end which is not terminated into the garden...
  4. R

    SWA Termination Query

    Hello Guys, I wanted to try to get to grips with how SWA should be terminated before getting the sparky out! Simple setup with SWA cable coming from consumer board to garden shed. Been having some issues with tripping back at the main supply board (garden shed breaker) so decided to...
  5. R

    RCBO Ratings

    @SPECIAL LOCATION thank you. I understand what a ramp test is but do not have the equipment or knowledge to carry out such a test - I hope the contractor will undertake this in due course. For if or rather WHEN this happens again :rolleyes:...can we safely assume that (going back to the...
  6. R

    RCBO Ratings

    Sorry been cut off with the recent storms we have had recently...Thanks @binky I think i was experiencing interference with other wires, still trying to source the culprit, finding this device very interesting actually! We have a employed the help of a main contractor to do a full check of our...
  7. R

    RCBO Ratings

    I truly do get where you are coming from @Tulip Spark but he simply doesnt have the equipment to do leakage tests….also caravan parks seem to be a specialised area to which certain regs need to be applied and I don’t think he wants to put his neck on the line. Thank you @binky. I realise the...
  8. R

    RCBO Ratings

    Ok have an update...earth leakage test was done by myself (sparky couldn't carry this out dont ask) :rolleyes: I noticed when the electric heater (build in heater) was turned on the reading was not steady, the average reading for the caravan was around 2.4mA, now when the heater was on the...
  9. R

    RCBO Ratings

    @Sharpend it would take quite some time but it would probably be a necessary task - I have wired up a rig (female to male 3 pin) to go between the supply and meter for each caravan making it easier to do leakage test on the live/neutral (exposed the earth). It just occurred to me that even if...
  10. R

    RCBO Ratings

    Thanks for the input @JonesK I have certainly learnt a lot about cumulative earth leakage over the past few weeks and your theory makes complete sense. Although the only issue is the fact the local 16amp 30ma RCBO at the one pitch trips at the same time, this means quite a massive 'random'...
  11. R

    RCBO Ratings

    Thanks @binky it is starting to make sense to me regarding the earth leakage from a combination of sources, its a little daunting knowing where to start as there will be literally hundreds of appliances amassing from all caravans on the park. To top it off our sparky is having 'issues' getting...
  12. R

    RCBO Ratings

    Makes sense :LOL: To make matters even more confusing the 'problematic' caravan has now since been plugged back into the supply and now everything is ok - I really do not understand this anymore. Here are some facts to breakdown the problem at hand: - 16amp RCBO at 1 caravan trips (no other...
  13. R

    RCBO Ratings

    Yes by all means we would get an electrician to inspect - although everyone we have ever had cannot explain why this happens… Can I ask a silly question, how can you tell the rcd we have is not already time delayed?
  14. R

    RCBO Ratings

    Thanks for the advice. I may bring this up with electrician, I assume using an s type introduces a certain delay in tripping therefore the rcbo before it should trip first? Is this dangerous for electric shocks etc? You are indeed correct, well spotted. These come on when the water level rises...
  15. R

    RCBO Ratings

    From starting this thread I have learnt a lot from reading all your replies, so thank you. Although most of it is still slightly over my head! We have yet again had more tripping issues from the same pitch, with no reason. The 16amp RCBO was replaced outside, this seemed to fix the issue for a...
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