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  1. L

    France wiring question

    Am curious about this comment.Just wondered if it was down to the unavailability of the correct busbar for double pole Hagar rcbo,s that required you to wire them individually.?
  2. L

    Extranous conductive parts

    correct.It is,nt. I think the issue may lie with the "Cat 5" label.That is as far away from tap water as you can get. Bearing in mind that the resistivity of water drops considerably when pollutants are introduced to it ,that would be my first area for investigation. Is it actually allowed to...
  3. L

    Extranous conductive parts

    Confusing sums it up well.I looked up several sites and quite frankly you could make an arguement for either case.But the advantage of discussing "tap water" is that we all have easy access to it.I myself have taken my own IR tester to it on several occasions over the years and my readings were...
  4. L

    Extranous conductive parts

    Are you sure those figures are "per meter"?.Some sites give similar resitivity readings (researchgate.net) "per centimeter".JW,s readings would naturally be a hundred times higher and add significantly to the overall resistance His readings are from the "actual water".The copper ends that the...
  5. L

    Netherlands CU Fuses

    No.Its a receiver.Its also the property of the DNO Am equally uncertain but its also a part of the DNO,s property Good decision. On closer inspection I can see that the device to the right hand side of the fuseboard is actually a main switchfuse and not an rcd. It now appears increasing...
  6. L

    Netherlands CU Fuses

    Thats of interest.Traditionally Holland had a TT supply system.I,m not as up to date with European standards as I used to but that 2 mt earth rod would,nt suffice for the electrical installation you showed in the picture as its resistance would be too high to blow a fuse under fault...
  7. L

    Netherlands CU Fuses

    You are looking at 3 circuits (not 6).Theyhad a fuse on the neutralas well.The white button on top is the circuit isolator How were you able to establish the earth rod was 2 mts long?
  8. L

    Street lights on PME?

    I,m curious as to why the street lights require bonding?
  9. L

    Street lights on PME?

    Why do the street lights need to be bonded?
  10. L

    TT System with TNS reading

    Key point that.It means you could walk away from your TT installation and not appreciate that you are vulnerable to your TNCS neighbours issues. An open PEN could result in the neighbouring houses current trying to get back to the DNO,s trafo via any available cpc in your house.
  11. L

    TT System with TNS reading

    When replacement of metallic services with plastic really started to take off , it compelled the DNO,s to review their supply system type.At the time I hoped to cash in on this change by alerting homeowners in advance to the potential consequences for their installations and advise on what...
  12. L

    TT System with TNS reading

    Seeing it as a bonus is as good as it gets.The old metallic service will likely at some point be replaced. Installing rcd,s is essential.
  13. L

    TT System with TNS reading

    yes.quite common on older metallic services. Should you leave it in place?Why not.See it as a bonus.
  14. L

    MPBC to Gas Supply not required

    I find diagram 3 especially of interest.If I,m understanding it correctly ,by inserting a valve including "electrical insulation" in the metal service pipe, then no bonding required.This could be a get out of jail card in situations where running a main bond back to the D.B. could be...
  15. L

    Bathroom fan: do UK regs require connecting via lighting circuit?

    I was afraid he had retired? Been missed. Any disquite about Tel,s state of health can now be fully dismissed.I,m not sure what type of barometer the hospital staff used to gauge his recovery ,but readers on here always knew that when he once again would discuss with gusto the topic closest to...
  16. L

    Extranous conductive parts or exposed

    No it would,nt.And you also can,t turn it in to one.The standard bonding used in a home to achieve an equipotential zone won,t work outside. Even within the home its only truly achieveable where wooden floors and dry walls are present.Neither of these occur outside. The best you can achieve, as...
  17. L

    Bathroom fan: do UK regs require connecting via lighting circuit?

    A far more effective option.Up until relatively recently most standard 4" fans were very poor value for money
  18. L

    Extranous conductive parts or exposed

    No it would not. Why ? For the same reason that we don,t run a 10mm bonding conductor to an electric gate or any other metallic accesories that are usually in contact with "true earth".They are not extraneous because they do not introduce a potential into the home that they are supplied from...
  19. L

    230v between N+E and 0v between L+E

    You can establish neutralising with 2 steps.... 1) visually confirm the link from the ESB,s cutout to the main Neutral in your D.B. 2)Test its effectiveness by conducting a continuity test between the main Neutral and the Main earth.It should read "0.00 ohms" I,m working in Cork today.If...
  20. L

    230v between N+E and 0v between L+E

    Those readings are very peculiar.Even if the house was,nt neutralised (and it may not be),that still would,nt account for those readings.Have you tested at the D.B. and checked how the readings are there?

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