fault finding

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  1. 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
  2. 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...
  3. 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...
    • Mike howskii
    • Thread
    • fault fault finding finding
    • Replies: 24
    • Forum: UK Electrical Forum
  4. Andy-1960

    Philip Schofield (off the TV) fault finding!

    Sean Atkinson - https://www.facebook.com/seanatkinson91/posts/10154801307041601
  5. B

    Identifying fault on 240V outdoor lighting

    Good morning, On a current job I have an outdoor lighting system with a fault that is 240V. Problem is that it keeps tripping the rcd. It turns on for around 10 seconds and then trips. There is nothing wrong with the rcd. How do I locate the ground fault easily using my multifunction tester...
    • barnaby91
    • Thread
    • 240v fault fault finding identifying lighting outdoor outdoor lighting
    • Replies: 10
    • Forum: UK Electrical Forum
  6. B

    Fault finding examples and answers

    Has anyone got any examples of AM2 fault finding, MCB trips when calling for hot water? Will this be hot water valve? Motor tenant complains of tingling feeling on DOL? Open circuit on CPC?
  7. B

    Fault finding helpppppp

    Hi, did much AM2 a few weeks back and failed on fault finding, the test centre don’t give you much indication what you failed on but rang them up and was pretty close with 4/7 faults and you need 5/7 to pass, the faults I had were these, Data - just plug in tester Bonding - open circuit 16A...
  8. B

    AM2 fault finding today

    AM2 fault finding today wish me luck
  9. B

    Fault finding on ring final circuit

    Fault finding on ring final, is this the readings you would expect to achieve and are these the correct way to find them thanks
  10. B

    AM2 fault finding help

    Hi don’t do that much fault finding and could do with some help, AM2 7 faults to find using on a continuity tester so can only be one of four things, but not really sure what readings to expect? Short circuit = tester should show a few ohms but may have some resistance in leads and bleep Open...
  11. F

    RCD Tripping Hell with high load

    Hi all. First time poster here with a hell of a lot less hair than I had 3 weeks ago now! so please be nice, I'll try and explain best I can. I am not a sparky but have some idea of electrics. I also own a multimeter. Short version. 100A, 30mA RCD trips INTERMITTENTLY on WYLEX 8 fuse board...
    • Fletch
    • Thread
    • across fault fault finding load rcd rcd tripping tripping
    • Replies: 44
    • Forum: The Welcome Forum
  12. S

    Fault finding - insulation testing

    Hi everyone, did some insulation testing on my mates house as his RCD was tripping manage to isolate it to the ring circuit, Live-Earth for the ring circuit came to 0.01Mohms and all appliances have been disconnected and removed. However I have disconnected the Live-Earth behind one socket...
    • Sparky_marky2
    • Thread
    • fault fault finding finding insulation testing
    • Replies: 6
    • Forum: UK Electrical Forum
  13. O

    Anyone fancy a bit of domestic fault finding?

    Yes this is for a house!
  14. M

    Fault finding for fica test

    Got my fica test tommorow only have the fault finding left to do ,but struggle with it as I don't do it much ,does anyone have any tips who has maybe recently passed it ? Thanks
    • Mike
    • Thread
    • fault fault finding finding test
    • Replies: 2
    • Forum: UK Electrical Forum
  15. H

    Study books covering industrial and commercial fault finding?

    Hi guys, Just after any recommendations of books that cover fault finding tips and tricks on industrial covering Plc and generators? Any help greatly appreciated HW.
  16. A

    First post- fault finding

    is anyone aware of any electrical fault finding guides or books (if one exists). Possibly with examples of common faults found in domestic installations? Massive thanks! I'm at the end of my 2357 nvq 3 just interested if anything like this exists?
  17. J

    Aqualisa Shower Fault Finding

    A customer has an aqualisa shower which has recently stopped working. So far I cannot pinpoint the exact model but I believe it to be an 'axis'. Now, it's got power to the processor unit, however there doesn't seem to be anything going on at the shower controls, which is joined to the processor...
    • jaydub
    • Thread
    • fault fault finding finding shower
    • Replies: 18
    • Forum: UK Electrical Forum
  18. H

    Course work help needed! (Assignment)

    I'm currently doing a 2357-608 assignment on fault finding and I have this question, Describe, for this installation, Two types of faults most likely to occur in each of the following; A) Wiring systems in the loft space above the first floor. B) Equipment and accessories in the intake room...
  19. E

    Fault Finding

    Hi, Does anybody have any tips or tricks on how to find where a break in electric UFH cables. I was thinking of using a tone generator and hoping to trace the tone until it stops. Thanks
  20. K

    water heater fault finding

    evening guys, the forum has been reminding me it's been a while since i posted, but everytime i think to post about something it turns out most everything is actually in those yellow tomes and associated texts if you actually look for it :lol: just looking for a bit of advice on faultfinding...

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