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  1. N

    Proving dead & safe iso on Economy 7

    Interested to hear people's thoughts on best practice for proving dead and achieving safe isolation on an Economy 7 board - the problem being, (unless you work 0000-0700 GMT :wink5:) the Economy 7 supply is unenergised. So 'proving' your means of isolation achieves dead actually proves nothing...
  2. G

    Dead

    Why so quiet this weekend. C'mon boys rock out with your megger out :17:
  3. amlu

    burned mice and 3 phases dead

    had a last minute call out to a shop today. all electrics dead, checked db first, found a fried mouse between bus bars. no power coming into the db, checked on the meter, nothing, checked incomer fuses (100a) they good, no power going to the fuses. advised them to call to DNO. they said...
  4. L

    Insulation resistance Live to Earth on lighting circuit dead short

    Hi all, Tested a lighting circuit recently and got live to earth dead short and neutral to earth dead short on insulation resistance all loads were still connected there was a fluorescent fitting on the circuit and signs of green goo in switches and ceiling roses and the MCB was not tripping. Do...
  5. S

    Brain Dead

    Ok its getting late and my brain not operating at full whack Where can i find definitve resistance values for SWA cable, PVC and XLPE using 3core and 1 core as earth so looking for R1 + R2 values. I have seen this info somewhere before, but cannot put my hand upon it. thanks in advance.
  6. D

    Dead PC inverter

    Advice please. I have a PowerOne Aurora 3.0 inverter for PV panels which was installed in July. On Tuesday (Jan 8th), we came home to find our electricity had tripped. Put things back on and thought no more about it. Checked the inverter in the cellar on Wednesday to find lifeless. Switched both...
  7. G

    raising the dead

    There seems to be a lot of old posts getting resurrected lately, just wondering how long it will be before someone has a go at Lazarus.:aureola:
  8. 1

    Dead Tests

    Does anyone know some good websites or videos showing you how to do the relevant dead tests on electrical circuits or sites with information about each test. Would really help me with my revision, thank you.
  9. S

    Dead Short after IR testing

    Just had a call off my electrician (one doing council work) He did a CU change - on testing he IR tested the lighting circuit (500v DC) and got acceptable readings. When he energized the circuit - RCD trips. Found a dead short between N and E. Investigating now to locate which run of...
  10. D

    Dewalt 18v battery dead

    How do I bring my dewalt battery's back to life, has anyone tryed and tested it, someone told to stick 1000v from my megger could this do it? Any suggestions would be great.
  11. E

    dead short L-N but the fuse doesn't blow?

    when doing an inspection i came accross a radial circuit serving 4 points, the IR between L-N @500V was 0.00 Mohms, on continuity between L-N I got 25 ohms. when I then energised the circuit and clamped the live, no current being drawn. I have yet to take any fronts off as it was just an...
  12. D

    Why checking that the circuit is dead is so important.

    I was given a job to rewire a portacabins sockets, straight forward job replace 2.5mm2 twin+cpc radial with 4mm2. As always follow safe isolation procedure, other electrician I am working with says 'why are you wasting your time doing that?'. I test the socket under the ccu and its still live...
  13. 1

    Bizarre dead short between Neutral and Earth

    Firstly, please let me explain the fault on the circuit HAS been rectified. This was achieved by splitting the offending circuit (kitchen ring) into two radials and putting each leg on their own 16A mcb on the same RCD. Attended a property to do some remedial works on the kitchen ring, New...
  14. L

    Swimming pool pump dead!

    Right.. i gotta text from a mate at the weekend saying they've tried starting their pool pump up but it won't run, he said it was buzzing but not running. I went to take a look today and it turns out it's the contactor that's buzzing but the motor does nothing at all. All i had on me was a volt...
  15. R

    Dead Testing Results

    Hello all, i have some dead testing to do, i just have a new megger Robin KMP3075DL and when using it in Insulation test mode (500v - 20Mohm) on 2.5 twin + earth as practice, i test between LINE and CPC and get the reading from the display (up arrow 1) so on my schedule of tests sheets what...
  16. C

    Dead testing modular bathrooms

    Hi all, I have been asked to dead test only some modular bathrooms installed in a building. Each bathroom has a light, towel rail, shaver outlet, and extractor fan. The supply cable to each circuit I have been told is not my concern so I am basically testing the switch lines and supplies to...
  17. SolarCity

    Gone dead - again

    Phone has stopped again. We've done a 2,000 leaflet drop over the last few days and we haven't had a single enquiry from it. Gutted.
  18. W

    Has Anyone got dead solar panels strange request

    Hi folks, This may sound rather mad, We have made a solar panel table for a talking piece in our reception area we have had an enquiry for a client to purchase some from us (every penny counts). However a functional panel would be to expensive unless someone knows of a...
  19. R

    Bosch 10.8v dead battery (Fixed)

    Was using my multitool when all of a sudden it went dead. I recharged the battery, charger shows the battery fully charged but battery was dead when back in the multitool. Was about to chuck it into the recycling today but thought I'd open it up and have a look. All the individual cells were...
  20. N

    Question regarding dead polarity test. Please Help.

    Hi I am bit unsure when carrying out dead polarity test on a one way switch and two way switch. Where do the test probes go and on what? Do we make contact at the switch line and the cpc of a ceiling rose? or do we contact at the line and cpc at ceiling rose? What happens in two way switch...

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