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  1. B

    Ring end to end results not text book for cu change.. do we need to ensure 1.67 times

    Hi, Cu change pre tests (TT) indicate non text book results: r1=072, rn=0.92, r2=1.58 another ring: r1=0.67 n=0.67 r2=1.60 As can be seen the r2 values are more than 1.67 times r1 or rn possibly due to loose connections. Are we responsible to try and bring these values in line for a cu...
  2. HappyHippyDad

    Is there a table of expected R1+R2 results in BS7671?

    Evening... I always use my OSG to find R1+R2 when needed for designing a circuit (staying withing the Zs limits), but I wondered if the same table is somewhere in BS7671? Its table I1 in the OSG. I've hunted high and low so I expect it's just something that the OSG offers and isn't in BS7671...
  3. L

    IR Test Results Issue

    I am getting erratic results on a house which i am currently working on. The house has been sat at 2nd fix stage for about 6 weeks and is damp. I came to commission it today and my IR readings are poor. I have a megger so its max is 999MOhms but i am getting results of 80-120MOhms on Rings and...
  4. chrish_1977

    test results question

    Morning guys, sorry if this is been answered before but I'm fuming (again). I have again had my eicr questioned by our qs. This time in particular my test results. Basically every result I measure with my tester unless there is some reason I can't, obviously note it all on the schedule of test...
  5. N

    2394 Results

    I'm well chuffed, I passed my 2394 exam today. Anybody else get their results today.
  6. S

    zs unexpected results

    Testing a ring final ..ze = 0.22 .r1 + r2 =0.65... R2 +rn = 0.69 So calculated zs = 0.87 But when I test at sockets they are around 1.47
  7. S

    AM2 results

    Just got my results through. passed everything apart from the heating system, obviously because i did not finish in time....Very happy that everything else was spot on!!......unfortunately ill have to sit the full install again but at least i know i was correct in what i had done.
  8. H

    2395 practical assessment

    Hello everyone I'm doing my 2395 practical assessment this week and I'm looking through my condition report inspection schedule. in the case I come up against a low ( < than 1 mohm ) value on mega ohms while completing a IR test which box in the inspection schedule should I code this fault...
  9. D

    2394/5 tomorrow

    Hi guys got my 2394/5 written exams over the next two nights, wish me luck!
  10. O

    Yesterdays election results!!

    So the Conservatives lost, no story there and Labour just held on their safe seat. Which is the more significant result? Discuss!
  11. HappyHippyDad

    Does anyone have a list of expected Insulation Resistance test results?

    I would like to get a better understanding of what the specific IR test results could indicate. I'm talking more about the below 1MΩ area. I'm talking about.. wet plaster, flooding (sitting in water), degraded insulation etc etc, I realise it wouldn't give the answer but it may help in narrowing...
  12. A

    RCD tripping times at 1x and 5x

    I understand that when carrying out RCD testing an RCD should trip within 300ms at 1x and 40ms at 5x but is it common that on occasions for the RCD to trip quicker at 1x than 5x. I never had it occur personally. I am just looking at some old certs and on some circuits the RCD is tripping...
  13. J

    Eicr details

    Hi all just a little query about a conversation I was having with a work mate. Personally I do a few domestic EICR's on occasion and whom I was talking to does more large commercial and industrial. Now when I perform my inspections I would usually start with a 20% sample and depending on these...
  14. Big Man

    IR variable results new install.

    Any ideas gratefully received. I'm testing a new ground floor extension. Brand new lighting circuit. Live switches. Only feeding jcc fgled6. Continuity is fine. 0.33 at furthest point. Circuit disconnected from the cu I've had readings from 88MOhms to >299MOhms line/cpc. The others are fine...
  15. C

    2394 & 2495 Inspection and Testing Results June 2014

    Has anyone had thier test results for; - 2395 sat on Tuesday 10th June 2014. - 2494 sat on Wednesday 11th June 2014. This is the 6th week now and I am getting very impatient! Ta, Chris
  16. S

    2394 April exam results.

    They have been published on the Walled Garden, so your centre should be able to give you your results. I passed mine. Its a good job really, seeing as i teach it, imagine the red face if i had failed it.:hanged: Cheers..........Howard
  17. A

    Wondering the results.

    Came across this today, a 4mm cable terminated, but some of the strands had been cut in order for the cable to be terminated. Oddly, it was feeding a light.
  18. C

    sub mains help newbie

    Hi guys please bear with me as I am new to the electrical game I have done a private job and run a garage board to a shed with a six mm amoured fone all relevant test on the curcuits And done a zs at db but do I have to r1 r2 the sub mains to put on the test results or is tbis not needed and...
  19. K

    20a rcbo testing strange results.

    Hi Guys I have been testing 20a rcbos today on a 3phase tcns cables are all 4mm singles , the readings are all coming out as 19ms both on times 1 and 5 on 0 degress and 9ms on 180 both on times 1 and 5. found it strange as I thought the time would be smaller on times 5 not exactly the same...
  20. B

    NIC assessment.

    Ive tried searching but not getting info I need. Would appreciate any advice as pretty nervous about my assessment ! Test results - We have our test results all stored on ipad and backed up on Macbook. How should I present these to the assessor will he be cool with flicking though our iPad or...

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