insulation

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  1. ChipFanDave

    Question about LED downlights

    I just need something clearing up as I have not done domestic wiring for a good few years now. If I fit LED down lights that have no replaceable bulbs so can’t be over loaded, do I need to fit the in intumescent hoods for lights going into the loft or just some sort of device to keep the...
  2. buzzlightyear

    micc on rcbo

    micc on rcbo will not set
  3. J

    Insulation resistance testing Lighting circuit

    Hi everyone. I'm looking for advise on how to test IR on commercial lighting. There's so many lights on 1 circuit , do I have to take out all the lamps in all the lights to perform the test or can I simply test between LN -E ? Even though I have spent lots of time testing domestic installs and...
    • Joseph Lewis
    • Thread
    • circuit disconnect insulation insulation resistance insulation resistance testing lighting lighting circuit neutral neutrals readings resistance testing
    • Replies: 7
    • Forum: Commercial Electrical Advice
  4. mrloy99

    Insulation test

    Hi All.Bracing myself here for torrents of abuse. Is there any reason why an I.R. test can't be done at a socket rather than at consumer unit.
  5. L

    Reference Meathod for Timber Frame

    Hi All Just done my first 2 timber frame New build. What is the reference method for cables installed in Timber frame walls full of insulation >100mm????
  6. ChipFanDave

    Cables in loft Insulation

    I’m an Industrial electrician and as such have limited knowledge of domestic installations (we all still use the same regs though). I’m wanting to know what people do about the increased insulation in lofts. For example my shower is a nominal 9.5kW with a 10mm T&E cable If I was to install the...
  7. B

    Insulation resistance

    Is this right anyone? So basically I'm gonna test the whole consumer unit with an insulation resistance test rather than every circuit would you do basically I need to show my college and I've only been testing since last week and need to show an insulation resistance test of the whole board and...
    • Bradley6969
    • Thread
    • consumer insulation insulation resistance resistance switch switches
    • Replies: 2
    • Forum: Lighting Forum
  8. B

    Insulation resistance test help

    Hi I want to test the whole board at once with an insulation test so turn off main isolator and breakers turn tester to 500v? And is the best thing to do, the incoming tails L+N put in a link between them and connect your probes to the link and other to earth also can you still operate light...
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