fault finding

  1. G

    UK AM2 Fault Finding

    Hi guys, got my AM2 fault finding Resit on Monday and have a question. How would I check for reverse polarity? If I test say from the board L N or E to say a switched spur if I put one probe on the board side L then the other probe on the spur N and I get a reading, surely that means the fault...
  2. Baddegg

    Fault finding easier in the dark!

    Fault in lighting circuit, started poking about in the loft in the dark and managed to find it....:tearsofjoy:....
  3. kenny maccuish

    Found during fault finding

    Hi guys just wanted to ask if there are any Irish electricians here that can tell me whether these examples of making off SWA are accepted in Ireland. Just had to fault find a light not working in a garden and opened up a couple of manholes to find PVC 4x4 waterproof boxes with SWA going into...
  4. G

    Intermittent fault finding.

    Was called to a commercial lighting issue on Friday where the circuit had tripped, RCBO protected. On arrival reset the RCBO and all held, three lights weren't working, two were lamps and one had a black scorched ballast, replaced this and all works. The circuit has eight lights, two PIRs a...
  5. P

    Am2 testing: Fault finding

    Hello everyone, I have finished my 3 years at college and now have my AM2 tomorrow. I have confident in the installation but need some help on a bit of the testing and fault finding. We will be usin a megger tester. How do I carry out PEFC and then PSSC on a three phase DB. Also could do...
  6. markneilbarnett

    Fault finding simulators for AM2 trainee

    Hey, I am currently doing the AM2 but finding it difficult to find anything relating to fault finding well anything with any substance. I was wondering if anyone has come across any fault finding/trouble shooting software that can help me get to grips with the principles. Thanks for your time.
  7. telectrix

    Fault finding. never trust Appearances.

    as title, just been called out to a fault, 1st floor and attic conversion no lights. arrived at the house to find as title. 1970's CU in cellar. MCB labelled cellar and upstairs lights. cellar light working. all cabling in cellar surface. top of cellar stairs is a switch. T/E and 3core/E...
  8. Adam_92

    Testing and fault finding

    Hi looking for some assistance which tests would you remove an rcbos functional earth? Isit when you do your rcd tests? And another one if anyone can help me clear this up when fault finding how would you go about splitting a ring? What would you link out at the consumer unit?
  9. P

    AM2 Fault finding failure. Bonding splan motor circuit

    Hi everyone. I sat my AM2 last week and passed everything except the fault finding. They just tell u pass or fail not what u got right or wrong etc. I struggled on the faults I'll explain below. I know the faults will be different next time but would still like to know how to approach these...
    • Pete286
    • Thread
    • am2 bonding circuit failure fault fault finding finding motor
    • Replies: 28
    • Forum: UK Electrical Forum
  10. markneilbarnett

    Fault finding for AM2 exam

    Hey, fellas does anyone have any resources regarding fault finding. Unfortunately for me i failed the AM2 due to lack of knowledge on this particular subject. Its just so difficult to find a tried and tested method. I can't believe it's all guess work. All you get issued for the exam is a low...
  11. A

    Fault finding an intermittent RCD trip

    Hey all, really hopping someone will be able to help me with my issue. This problem relates to my personal home, but i can't seem to figure out the issue. Quick background. The main switchboard at my house feeds into a sub-board in my shed. This sub-board then feeds into another sub-board which...
  12. T

    FAULT FINDING USING CONTINUITY TESTER ONLY

    Hi all & thanks in advance for the time. I'm due on Monday to complete my trade test. (FICA IN SCOTLAND) The part of my test i am to undertake is Fault Finding and rectification. For the test i will be put in a booth by the assessor and issued a job card that briefly describes the...
  13. A

    imersion heater thermostat fault finding

    Hi all, hoping someone can offer some knowledge/experience of immersion heater fault finding. My parents-in-law's imersion heater stopped working, on inspection I found the time switch had failed open. Also the isolation switch neon indicator was dead. The heater itself had a good resistance...
  14. M

    Fault finding an intermittent RCD trip.

    Hi all, I’ve had a headache of a fault and can’t think what to do next. The house has an RCD main switch, and I’ve verified the circuit which has the fault to be the kitchen ring final. The RCD has tripped once without interference, and several times when a switched fuse spur is turned on...
  15. gazdkw82

    Fault finding (downlights)

    Helping a friend out. The have lost all lights in the kitchen (around 15) they are 240v led downlights. They also have some under counter lights that have failed. I've done some basic checks, circuit is love from the DB. Living room lights work and the loop is 240v. There is a feed into the...
  16. G

    Tips required for fault finding on track lighting.

    The track in question is Eutrac single circuit (i think) and the offending fitting is hung from one of these. EUTRAC - https://www.eutrac.de/3/262/en/products/~1_multiadapter_with_data_bus_option There are three pendant fittings on this one particular section of track; the one either side of...
    • GBDamo
    • Thread
    • fault fault finding finding lighting required tips track
    • Replies: 12
    • Forum: UK Electrical Forum
  17. P

    Fault Finding Terminology: NET AM2 section C2.

    Hi all, Sadly I have to retake the fault finding section of the AM2 next Monday. We used a multimeter to determine faults. There are millions of types of fault, however only 4 types of wiring faults are being tested: Open Circuit = unambiguous/obvious = no ohm reading. High Resistance =...
  18. J

    Ring main MCB tripping, nothing plugged in.

    Hello everyone, Bit of a confusing one. I have a ring main on a 32A mcb. The MCB keeps tripping, sometimes the circuit will stay on for around half an hour then suddenly trip. This is still tripping with nothing plugged in. I have checked all sockets and made sure all connections are tight...
    • Joep1234
    • Thread
    • fault fault finding main mcb nothing plugged ring ring main tripping
    • Replies: 22
    • Forum: UK Electrical Forum
  19. K

    Disappearing voltage under load

    Hi all, quick one that I’m guessing one of you guys will solve quickly! Currently been doing some work on an old wartime building and trying to get power back onto some son floodlights after some demolition work internally, I’ve got 240v across line and neutral at the junction box (that’s...
  20. M

    Fault finding in DIYers paradise

    Hi This is my first post on any forum, I’ve been an electrician for 15 years and this fault finding job has got me stumped! Attended a very old cottage, usual story of fuse blowin at the board. Turns out to be a 6amp 30mA RCBO, the circuit has a fluctuation neutral earth fault on it ranging...

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