insulation

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  1. T

    Insulation resistance test on length of SWA cable

    Doing new supplies for a school new Shneider 3 phase & N MCCB panel board. 50mm 4 core SWA one end made off in the board earth fly lead from banjo to earth terminal. The other end gland made off in gland (fly lead not made off yet) 3 phases and neutral just hanging there. Done installation...
    • Toneyz
    • Thread
    • cable insulation insulation resistance insulation resistance test length resistance swa test
    • Replies: 52
    • Forum: Industrial Electricians' Talk
  2. Tom Crabbe

    MINIUM INSULATION RESISTANCE READING

    Hello, has anyone noticed in the new GN3 that any reading below 20 Mohms now has to be investigated or is this a printing mistake as it used to be 2Mohms? Thank you Tom
  3. Bobby34

    Insulation Resistance testing method

    Good afternoon, apologies if this has been covered before i've not long joined so gradually finding my way around. I have my Part P assessment coming up on a new installation and would like to hear some opinions on how people carry out their IR tests. In guidance note 3 it gives an example of...
    • Bobby34
    • Thread
    • insulation insulation resistance insulation resistance testing method resistance testing
    • Replies: 19
    • Forum: UK Electrical Forum
  4. L

    Basic insulation _________

    Is twin and earth classed as double insulated? If it is, is it necessary to use when you using ADOS when the regs say basic protection can be provided by basic insulation.
  5. L

    Basic insulation _______

    Is double insulation cable necessary such as twin and earth if under automatic disconnection of supply it states that basic protection can be achieved by basic insulation only. Thanks
  6. J

    Insulation Resistance...

    I am just working through my understanding of the insulation resistance test, and I want to find out the best way to do the combined Live-Earth test where the Line and Neutral conductors are connected (joined, or however it is best described) through one probe of the tester, and the other probe...
  7. D

    Bathroom downlight insulation coverable + exisiting CPC cut

    Pleased to find this forum, my 1st post! I will get an electrician in for this to make sure it's safe and tested but I want to understand what's right before getting a quote/posting a job. Previous owners had downlights installed in the bathroom but a later test certificate identified the CPCs...
  8. Adam_92

    Insulation restistance on heating system

    Hi, I do not work on a lot of heating systems but when doing an insulation restistance test on a S plan heating system do you only remove the digital programmer?
  9. N

    insulation resistance test on shower circuit with neon isolater

    On a new install of a shower circuit, with a neon isolater, is it better to use choc blocks to bypass neon isolater or would it be ok to just test live-earth (live being neutral and live combined) and miss the live-live test? If testing just live-earth, would you write it down in details of...
    • n180
    • Thread
    • circuit insulation insulation resistance insulation resistance test neon resistance shower test
    • Replies: 5
    • Forum: UK Electrical Forum
  10. B

    Is there really no right way to work with down lights and insulation?

    Hi All, I'm kind of hoping to get confidence in my decision to have spots fitted into the ceiling of our new extension, but keep coming across different advice...help would be welcome! We're looking to fit 12 LED spots (Aurora Pro 6w) into a lean-to pitched roof, split into two circuits on...
    • Boyyo
    • Thread
    • electrical work insulation lights really right
    • Replies: 17
    • Forum: Lighting Forum
  11. H

    Older house loft insulation and cables

    Hi, Wish to increase loft insulation from 100 to 300mm. At present lighting and power cables are clipped direct to ceiling joists barely covered by insulation. The depth of insulation planned will cover these cables and I seek a solution. Thanks.
  12. naylorpd

    Insulation resistance test issue

    Back in 2013 I had a Domestic Electrical Installation Condition Report done on my rented property - nothing horribly major but one thing I didn't understand... I had a C3 code for "0 ohms readings for I.R test for sockets & lighting (unable to remove all loads sockets, lighting had electronic...
    • naylorpd
    • Thread
    • insulation insulation resistance insulation resistance test issue resistance test
    • Replies: 25
    • Forum: UK Electrical Forum
  13. A

    replacing pmmc unit of waco 2.5kv insulation tester

    How can I do it? Where can I find PMMC coils?
  14. haptism

    Low insulation reading

    Testing a ring earlier and found 0.8M ohm at 250v between (L&N) - E. This wouldnt be a neon causing this would it as im testing between L N (joined) to E ? I have not yet tested between the three individually. This low reading is making me hope somethings still connected, there is a digital...
  15. F

    Insulation resistance testing on eicrs

    Advice or quicker ways for doing i r tests on an eicr generally what I have been doing over the years is live to earth neutral to earth and joining live and neutral together then testing to earth job done but my pal who has recently had his annual nice i c visit said he's been shown a new...
  16. P

    rcd tripping during the night and insulation resistance testing question

    Hi everyone I have a customer who has a RCD that trips during the night and it resets ok the following day it is ok for a week or so then it tips again during the night. has any one any ideas and what is the quickest way of finding out what the cause is. also I need to do an insulation...
    • phil lancaster
    • Thread
    • during insulation insulation resistance insulation resistance testing night question rcd rcd tripping resistance testing tripping
    • Replies: 34
    • Forum: UK Electrical Forum
  17. T

    How to bypass an RCD and carry out an insulation resistance test on a circuit

    Hi all. I'm a 4th year electrician currently awaiting to finish my trade test. (FICA in Scotland) the only parts I have to pass is the testing part and fault finding. I'm currently studying testing as this is something I have done the minimum of onsite. Could someone tell me how I would...
    • TonyTheTiger
    • Thread
    • bypass carry circuit insulation insulation resistance insulation resistance test out rcd resistance test testing testing and commisioning
    • Replies: 32
    • Forum: UK Electrical Forum
  18. haptism

    Insulation properties of heat shrink, and tape

    Have question thats been on my mind for a while. Does anyone know if; at 250 -500 v, a single layer of heat shrink, or a single layer of insulation tape for that matter, covering a bare conductor, sufficient insulation against ?? direct contact/a shock ? It seems a bit thin in comparison to to...
  19. joel89

    Fluke 1507 Insulation Tester

    in a used condition, used about 5 times in total no longer needed as I have an MFT. Paid £450 about 2 years ago! Comes with carry case, croc clips, leads, user manual. I will post via tracked courier I think its around £9 tracked. Offers please
  20. TonyJohnson

    Isolation transformer and insulation monitoring device in horse box/bar

    The regs state 717.413 a Isolation transformer and insulation monitoring device should be used. Are there any guidance notes on type or makes i should be looking for. I see you can get 230V primary 230V secondary boxes but i'm also not sure on which to get in terms of load.. I'm inspecting this...

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