test

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  1. B

    ACA mock test question wrong?

    When I was doing the ACA exam mock test I have been looking at this question and think it’s wrong? A final circuit supplying a 2 kW boiling water tap is wired using 2.5mm2 PVC insulated copper conductors with a 1.5mm2 circuit protective conductor, and is 15 m long. The installation has a Ze of...
  2. C

    304 614 mock exams for level 3 test

    Hey guys I'm just about to book my exam for my 304/614 written exam and I am wondering if anyone has any mock exams that could send over so I can get up to speed with what to expect on exam day
  3. Gracey

    Advise/Help needed for testing ring final circuit accessories on a fused/unfused spur.

    I have posted this in the Qualifications forum but nobody was answering and I need some info for my retest on 2365 Level 3 fault finding practical (303) before next week. My question is not on the online test, I have already done this. I failed this test the first time round as I got caught on...
  4. J

    Will the test meter over or under read the utility meter?

    Good day The following table shows the results of 3 current transformers (50A/5A, Class 0.5%) connected to a 3P-4Wire Digital Energy meter. (Performed at the meter manufacturer's workshop). It is observed that at Unity PF, the meter readings for current are a close match to the supplied test...
  5. mbu2ns

    EICR - RCD Wont trip on test button

    Hi all Still got a hangover from saturday but im struggling with one 🤣 EICR, everything tests ok until i press the button on the RCD and it doesnt trip. Tried 2 spare RCDs same thing. When i disconnect the sockets Neutral from the busbar it then works. Type AC 30ma 80A RCD What am I...
  6. P

    Difference between 250v/500v insulation resistance and 15ma/200ma continuity test?

    Hi I hope everyone is all well. I’ve built a rig at home on some ply to do some testing and fault finding to prepare for my exam and just learn in general… I put 100v then 250v through L & N through a B22 led lamp and also the spur neon to see what reading I would get. They were both the same...
    • ppelec100
    • Thread
    • between continuity difference insulation insulation resistance resistance test
    • Replies: 5
    • Forum: UK Electrical Forum
  7. T

    R2 test without removing cover

    Hi all when performing an r2 test prior to commencing an EFLI test would it be acceptable if the board was made from metal of course to test from the point to the outside of the board rather than to the earth bar? Just for when you are working with large 3phase boards full of cables.
  8. L

    RCD test button

    Hi, can anything else cause a RCD test button to fail, besides a faulty RCD.
  9. S

    Test equipment for commissioning

    Hey guys What test equipment is the quickest and easiest to use when commissioning a system at the end of the job to get all required test results
  10. P

    What exactly happens during an RCD test? (Methods 1 & 2)

    Sorry this is a bit of a long read but I’d be extremely grateful if someone can help me understand RCDs and testing methods of them. I know RCD test applies a fault current but in what way? I understand how continuity/IR and the other test work so it helps me know what to do, what’s going on...
  11. T

    Extraneous conductive part test

    Hi all, im aware of the test needed to be done when trying to find out if a metallic object is an extraneous conductive part but for example, if you had a copper water supply system in a house that is fed with a plastic incomer pipe out the ground you will always receive a low resistance reading...
  12. P

    Max Zs values at different ambient test temperatures

    Hi guys, I'm currently revising for my 2391 and kind of confused on the temperature factors for the Zs values The BBB give Max Zs which are 100% values with a max operating temperature of 70c. The OSG and GN3 give values to 80% which are when tested at ambient temp of 10c according to page 146...
  13. M

    DIY solar — looking for PV array test report

    I did a DIY solar install without appreciating the need for building regs. Yep that was daft, but here we are. Hopefully will get the structural side sorted out. On the electrical side, building control are asking for an 'electrical certificate/report regarding the electrical installation and...
  14. N

    Why does a fridge freezer fail an insulation Pat test?

    Hi, I am getting a reading of 0.00MOhm I've never had this before, it's not tripping the rcd. I was wondering if it may be damp but can't see anything obvious. Any ideas please? It's not very old.
  15. J

    Insulation resistance test readings.

    Had an interesting one today, ring circuit blown the Mcb in a kitchen apparently a few times over last day or so. It has blown once when nothing was really in use in kitchen so kind of ruling out overload. When turned up and turned it back on it held for maybe 5 minutes before blowing again…...
    • Jm1980
    • Thread
    • insulation insulation resistance insulation resistance test readings resistance test
    • Replies: 2
    • Forum: UK Electrical Forum
  16. T

    Minor works certificate - Ze Test

    Hi on the minor works certificate it asks for Ze, so any time i install an addition to a circuit lets say, i then have to isolate the whole system disconnect the main earth and test each time? Is there anything that permits the test be completed without having to disconnect main earth? Thanks
  17. T

    NICEIC Test Sheets

    Hi , I have recently joined NICEIC and i am wondering if anyone can help me regarding recording the info on EICRs etc onsite on an ipad. I want my guys to fill out the test sheets onsite, on the app. However some sites you can't get internet and NICEIC say that they need this to fill out the...
  18. L

    UK The RCD test button on my tester trips the wall sockets

    We recently moved house (May 2024). The property is old (some >250 years), quite large with different outbuildings/extensions. From time to time the main power will trip (sockets not lighting). So I got out my cheap socket tester and all's well on various outlets, until that is I press the RCD...
    • Lord Oddsocks
    • Thread
    • button rcd sockets test tester trips wall
    • Replies: 9
    • Forum: UK Electrical Forum
  19. littlespark

    Adding test switch to emergency lighting

    I’m at the funeral directors clients at the moment testing their EM lights. Only the newer lights I put in have a test switch fitted. I’ll be recommending addition lights in the WC and staff rooms. Pitch dark in there. There are 2 other EM lights above exit doors… they have been replaced in...
  20. B

    EV chargers that I need to test on a commercial property

    Hi, just a quick question I haven't seen asked before. I have a number of chargers that I need to test on a commercial property. To begin, I have to download an app and create a profile and pay some money to my account in order for the EV charger to start releasing power so I can conduct my...

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