tests

  1. S

    Insulation resistance testing

    Hi guys, i have always wondered when doing insulation resistance testing is there a test you can do to see if there are any loads still connected (ie neons,equipment) to see if the readings are true or through loads connected in the circuit.
  2. M

    Zs test tripping RCD.

    Hi, recently I have found that my Fluke 1653 has been tripping the odd RCD when doing a three lead Zs(loop) test. I can't understand why, it has not done this before.
  3. R

    Certifying mobile container install

    Hi guys, I've completed a new install on a container That's to be sent off to unknown site? 63A commando skt (single phase). I am to fill in an electrical installation certificate (which I am only able to input dead testing results). Is this correct if I was to EICR a container the same would...
  4. akwoody2

    Board Change Questions

    So im looking to get certified with Stroma, signed up and my first job that I can use for the assessment is a board change. The only issue is it doesn't have bonding to the main water. Can I change the board and put the fact there is no bonding down under as an advisory? Thanks for your help...
  5. J

    Emergency Lighting Periodic Inspection Cert (BS 5266)-Do I need to issue one?

    Hi Everyone I am a time served electrician now doing a caretaker/facilities manager role in a 6 Floor Office building which is mostly occupied by NHS employees. The building was built in the 60s so is quite old but everything has been kept up to date by the fella I work for...
  6. R

    Test RCDs

    Hi guys I have a question: how the tests carried out on the 500mA RCD would differ from those carried out on the 30mA for test sockets outlet protected by RCDs 30mA Any hints?? Im my opinion test instrument disply large value times???
  7. 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...
  8. J

    How to test off-peak circuits? (Live Tests)

    Hi, What do you guys do when it comes to "off peak" controlled circuits (i.e council housing heating boards)? The timeclock/supplier side of things is sealed with the tags, so no way to over ride it? What do I put down on my test sheet/What's the best thing to do (I don't fancy waiting in a...
  9. M

    CU Change - Ring Tripping RCD Low IR

    Hi i went to change a CU last night and the ring main is causing the RCD to trip even with everything unplugged. I am going back today to investigate abit more, i have just left the ring on the non RCD side for the time being. The customer is as tight as and doesnt really want to pay for me...
  10. P

    Emergency light testing

    What are the test frequencies for emergency light testing? Got a few lights to repair in a library but they are only doing a functional test on their em lts at present, so not doing it properly. I know they log the tests but dont actually carry it out correctly. Am I right in thinking its a...
  11. C

    emergency light testing

    Hi everyone. I have an emergency light test coming up. I have never carried one out before. Is it as simple as: 1. Checking there is a key switch/isolator 2. Making sure all emergencies are working correctly 3. Making sure the batteries are up to scratch by them staying illuminated for the 3...
  12. S

    EFLI tests and off-grid inverters

    Hi team. Just wanting to know if there are any harmful effects when testing final sub-circuits in an installation being powered by an off-grid PV system with an EFLI tester? Thanks.
  13. J

    practical 2394 live tests

    hi there hope you are all well looking for a bit of info on the live tests ze,pfc,zs,rcd i have done the BG course and doing the practical test next week and i am struggling to remember the correct procedure. the test rig has a isolator which is locked off till you have finished the IR test...
  14. N

    IR testing results on MWC

    Interested to know what other people do about IR testing results on a MWC. If your additions contain new fixed wiring then you test that and record those results, obviously. But what if you're just replacing a fitting with a brand new one, the IR testing of which seems pointless? Do you leave...
  15. M

    MERLIN GERIN Multi 9 4P RCD RCCB 100A 300mA

    Does anyone know if there is a common problem with the Merlin Multi 9 RCCB 4 pole 100Amp 300mA, not tripping as we have replaced an existing unit with a new one but the issue is the same, Many Thanks Mark
  16. L

    Fluke 1645B, is it able to do a 2 lead Zs test?

    Thinking of getting either a Fluke 1654B or a Megger 1720 as my Metrel is doing my head in when having to use three leads for looping light fittings and it takes ages carrying out no trip Zs tests etc. Can the Fluke do a 2 lead Zs, if not I might as well just go for the Megger and be done with it?
  17. The Solar King

    Thermodynamic Panels NAREC Tests

    There are so many threads on this, thought I would start a new one. First results of NAREC tests now posted here: Thermodynamic panel test - Narec Distributed Energy Early days, but interesting.
  18. P

    Megger Question...

    Hi All, does anyone know, when testing Ze on the Megger, and also getting the PFC at the same time, if the PFC provided is the higher of the PEFC and PSSC? ie, does it carry out both PFC tests simultaneously and provide worst case result or does it just test for the PEFC? Thanks in advance! Ps...
  19. B

    tests

    hello, i don't suppose anyone knows why the electrical tests are done in a certain sequence do you? thanks in advance
  20. T

    Query regarding old 2391 question - RE sequence of tests

    Hi, I've been having a nose through some of the old past Chief Examiner reports and the December 2011 edition has on page 5 has the following quote: Can anyone explain why Continuity of CPC is not the first test? Is it purely because if you get an end to end reading on the CPC then that is...

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