insulation

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  1. kkkkk

    Fibreglass insulation safety

    Hi guys What do people find is the best protection against horrible fibreglass insulation - I always seem to be left coughing and itching!!!? I do wear safety gear, but nothing seems to be 100%. :)
  2. D

    insulation resistance question FICA

    Hi yesterday I sat my FICA test and during the insulation resistance test I’m not sure if I made a mistake I measured it doing individual circuits I had the main switch at db on but forgot to turn on the mcbs I measured between Line at MCB and earth and Neutral bar to MCB then neutral bar to...
  3. F

    (DIY) Extending the ring up the wall (insulation?)

    So, I'm now on my second electrical project (after the success of adding a double socket to mums attic!). In my "computer room" I'm using two extension leads to power 7 or 8 plugs, all from one single socket in the room. One of these plugs is for a powerful PC, the rest are for low power...
  4. N

    Insulation resistance - strange readings

    Im getting some strange reading on a new circuit(ring main) ive installed and i was wondering if anyone else had experienced the following. insulation resistance at 500v on L-N is >500mQ (which is fine) then insulation resistance between N-E starts at 400 then climbs to 500mQ then insulation...
  5. T

    Insulation over LED downlights

    Sorry if this has been asked before - couldn't find anything using the search function. After fitting LED downlights, can they be covered with loft insulation or will that cause a fire risk?
  6. S

    NO switch insulation resistance failure

    How often do we usually have insulation resistance failures on an NO switches leading to unexpected starts?
  7. gazdkw82

    Single brick wall insulation options

    We have a small toilet downstairs that had signs of mould. I've decided to pull the plaster off. I'm glad I did because it was slightly damp in places. I think this is mainly because 1. It's a single brick room and 2. They just nailed the plasterboard to the brick leaving a gap of round 10 mm...
  8. J

    Failed insulation on Fan

    hi guys, Could someone please tell me why the ‘insulation’ has failed on this pat test please? I thought over 1MOhm was ok? The test is on a fan in a dental surgery. Thanks
  9. L

    Insulation Resistance test question?

    Hi guys, I have what may seem a basic question. If a cable has been skinned at some point along the circuit would an IR test pick that up in the readings? Many thanks
  10. B

    3 Phase Insulation Resistance Test on motor & TP & N skt help

    Looking for some advice on how to carry out a IR test on a 3-phase motor and a TP & N skt, these are parts of a module I have failed on a test and am looking to see where I am going wrong and what the normal procedure for carrying out this test would be?
  11. R

    Downlights and Loft Insulation

    I have these downlights installed under loft insulation with halogen GU10s. They are marked as fire rated and fire rated under insulation, but the installation just doesn’t look safe? I’m wondering if i should convert them to LED bulbs (that's happening progressively as the halogens blow anyway)...
    • Rod Hubbard
    • Thread
    • downlights insulation loft
    • Replies: 9
    • Forum: Lighting Forum
  12. G

    Insulation coverable downlight

    Hi, I've got a customer who wants downlights installed in their kitchen/dinner. However the ceiling has celotex or equivalent insulation installed above it. Has anyone come across any suitable downlights that can be covered by celotex? Also just to make things harder there isn't any access from...
  13. Mark42

    Insulation resistance failure on rubber flex. Why?

    Two years ago I installed some garden lighting, using u/g SWA to Wiska boxes, then 3-core 0.75mm rubber flex downleads from each LED fitting. This week the 30mA RCBO kept tripping. I assumed a luminaire fault, or moisture in a Wiska box, but no. It was leakage across all three cores of one 10m...
    • Mark42
    • Thread
    • failure flex insulation insulation resistance resistance rubber
    • Replies: 19
    • Forum: UK Electrical Forum
  14. B

    Insulation resistance testing

    Hi have AM2 next week and just need some help, 3 phase TP+N board, two way and intermediate lighting circuit with 3 switches obviously and one light, doing a global IR test, the lighting circuit say is on L1, so I’m testing all other circuits at once too do I have to switch my switches for every...
    • Bradley6969
    • Thread
    • insulation insulation resistance insulation resistance testing resistance testing
    • Replies: 44
    • Forum: UK Electrical Forum
  15. L

    Metrel insulation testing issue

    I have a Metrel 17th edition multitester with a potential issue in the insulation testing mode. With no leads connected, I would expect a value of 500-900 MΩ but instead I get something around 50 MΩ. Am I right to think there's something wrong with it?
  16. Sparky_marky2

    Fault finding - insulation testing

    Hi everyone, did some insulation testing on my mates house as his RCD was tripping manage to isolate it to the ring circuit, Live-Earth for the ring circuit came to 0.01Mohms and all appliances have been disconnected and removed. However I have disconnected the Live-Earth behind one socket...
  17. 1

    Insulation resistance test

    Hi all on a eicr insulation resistance test between live conductors to earth gn3 says join l & n and test to earth is there any difference between that and testing phase to earth then neutral to earth? As you guys know some boards are a right mess and not in order to locate which belongs to which
  18. S

    Attached bell wire to rendered external insulation

    Hi. I'm pricing up a job. I need to run bell wire up the outside of a newly rendered and externally insulated house. Never touched this before and I'm worried the clips won't fix in securely or will damage it. Is this the case? Any one got any experience /tips? Thanks.
  19. T

    How not to run cables through insulation

    Just saw this. Great demonstration of how NOT to install insulation round electrical cables. No consideration of the CCC of the cable. Sorry pete, I know this is your job, really.....:D
  20. S

    Please help me regarding these topics.

    I have an assignment on Saturday. There are somethings that I do not understand. So Please help me to figure them out. 1)What is the exact value as mentioned by regulations for High Voltage and Low Voltage? 2)If an insulation is good three people should sign to verify. What are those people...

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