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  1. S

    Barriers and Enclosures

    Firstly can I check my understanding. Consumer Units on the sides and bottom and front should afford IP2X / IPXXB (Test finger 12.5mm and 80mm long) and readily accessible top surfaces affording IP4X / IPXXD (1mm dia 100mm long)? Is this right? And if it is, does anyone understand the logic...
  2. S

    Wiring - Internal Garage

    I am enquiring about design requirements for a small lighting circuit and a small socket outlet circuit in an internal garage. The house has an RCD protected ring final circuit on the ground floor with no spurs. There is a SO on the wall adjoining the garage on this ring final circuit. Is it...
  3. S

    Reverse Engineering

    Fair point - you do not want to pass the knwoledge to me for free because that is your trade and your livelihood.
  4. S

    Reverse Engineering

    Voltz said - more or less - don't do anything don't touch anything. In other words - if you don't have the knowedge don't try and learn from this forum. When you don't have the knowledge; pay an electrician.
  5. S

    Reverse Engineering

    No. I can't. That is why I am asking?
  6. S

    Reverse Engineering

    I feel that I posted an appropriate question. I got one sensible response from "Andy 78". The rest of the responses appear to be from people that choose to use this forum as a means of "knowledge Willie waving". I post my questions to learn from people that have more knowledge than me; not to...
  7. S

    Reverse Engineering

    ??????
  8. S

    Reverse Engineering

    OK. I will post onto the DIY section - but the question will remain the same. I assume your response to the post will be the same.
  9. S

    Reverse Engineering

    ??????
  10. S

    Reverse Engineering

    Just got back; clearly you were ther for a lot longer than I was.
  11. S

    Reverse Engineering

    I am trying to do a bit of reverse engineering and work outhow the socket outlets on my newly purchased bungalow are installed. Here are some facts: For the circuit in question the CU has two 2.5mm T&E cables connected to a 32A MCB. There are 19 socket outlets (SO) on the circuit in...
  12. S

    Isolation of Ring Final Circuit

    Here's one for you. In a foster home for naughty boys the client has a requirement to be able to "remove privileges" of TVs/PCs etc when necessary. They seek a means of doing this without having to get staff to use the Distribution Board. Would a DP switch of the correct capacity be the best...
  13. S

    Size of Earthing/Bonding Conductors - Domestic Installation TN-C-S

  14. S

    Size of Earthing/Bonding Conductors - Domestic Installation TN-C-S

    I thought the main protective bonding conductors still needed to be not less than half the csa of the earthing conductor where PME conditions apply and that Table 54.8 is used to determine the minimum size of the main protective bonding conductors compared to the csa of the incoming supply...
  15. S

    Main Protective Conductors - Continuity and Connection Verified - Sighting Clamp

    Thanks tel - Bonding is not undersized. Just can't see - or get to the clamp.
  16. S

    Main Protective Conductors - Continuity and Connection Verified - Sighting Clamp

    Yes I did mean EIC. I am referring to an addition or alteration where the bonding is already there.
  17. S

    Size of Earthing/Bonding Conductors - Domestic Installation TN-C-S

    Hyperthetically. TN-C-S in a Domestic - Earthing Conductor 16mm. Bonding conductors 6mm. I understand that the bonding conductors must be not less that half the earthing conductors meaning the the 6mm bonding in this situation is too small but they are a pain in the backside to change...
  18. S

    Main Protective Conductors - Continuity and Connection Verified - Sighting Clamp

    Are there any circumstances when it might be acceptable to tick the "Continuity and Connection Verified" box of the Electrical Installation Certificate when there is no visual or physical access to the point at which the bonding (normally a clamp in domestic) is applied. If so what checks over...
  19. S

    Standard ceiling light pendant - Double Insulated?

    You appear to know what it is in reference to - thanks.
  20. S

    Standard ceiling light pendant - Double Insulated?

    Some very valid points; thank you. I am quickly learning that all is not either black or white. Even something as simple and commonplace as a ceiling pendant has no definitive answer as to whether it is worthy of a tick or an N/A in double insulation box on the Schedule Inspections. For what...

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