fault finding

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  1. HappyHippyDad

    Fault finding - in particular tripping RCD's?

    My confidence levels and ability levels have increased hugely in the past year. In others words I have gone from knowing 0.1% of all there is to know about electrics to around 1.5%!! :) I would just like to gain more confidence and knowledge regarding ‘tripping RCD’s’! I have only changed one...
  2. L

    Fault finding questions

    1. I carried out a x1 rcd test on a 30ma rcd and the time came in at 44ms with doesn't comply with the circuit disconnecting by 0.4ms. What is the problem? Old/faulty rcd? X5 was 13ms. 2. Done my continuity test on a ring and all continuity was proved. However my neutrals end to end was 0.61...
  3. S

    fault finding techniques !

    Hello all I've got a college assessment coming up about fault finding just wondering if any of you use certain techniques when fault finding ? Is there certain things you do first ? Obviously these are all pre determined faults which can be switched in and out please any suggestions will be...
    • stilllearning
    • Thread
    • college fault fault finding faults finding first
    • Replies: 19
    • Forum: UK Electrical Forum
  4. J

    Please Help ! Ring fault finding

    Practicing for my 2395 C&G on a friends house tester KT63 6 month old he has 3 ring finals for sockets in his house, reason he asked me if I would test his house is that his RCD keep tripping out overnight ( once a week ) 1st Ring final Circuit is fine Circuit 2 has given me some results I...
    • Joe Hyde
    • Thread
    • circuit continuity earth fault fault finding finding please ring sockets
    • Replies: 5
    • Forum: UK Electrical Forum
  5. D

    Fault finding single phase motors

    Ok got called in regards to somebody's electrica gate not working. Power supply all seems good. After removing the motor i attempted to test the windings. ( i really havent done much with motors) the motor is single phase. Has a N , 2 feeds/supplys/windings. ? is this one :- Electric Gates...
  6. H

    Fault finding

    Ok, one of the hardest things you guys will have to deal with as sparks will always be fault finding, it really only does get easier with experience, so........... im going to describe some of the faults i have been to. i would like your theory's, ideas and suspicions, how you would go about...
  7. D

    Fault Finding Help Please, Random RCD Tripping.

    Hi all, new to the forum and hoping to garner some of your expert knowledge. I live in a small 2 bed house and the main RCD on the consumer unit keeps tripping randomly. There are 6 separate circuits and by elimination I've ruled out the lot except for the sockets (all on one ring). Now I'm...
    • daerve
    • Thread
    • fault fault finding finding please random rcd rcd tripping tripping
    • Replies: 14
    • Forum: UK Electrical Forum
  8. I

    Fault finding issue/help!

    Hi all. Just been to look at a job that was recently done by another electrician, can't fault the work other than he has yet to provide the client with any certificates and no fly lead on the armoured cable supplying a sub mains board! It's a summerhouse being used as a gym/storage. It has a...
    • isparky
    • Thread
    • fault fault finding finding house lights mains transformer
    • Replies: 6
    • Forum: UK Electrical Forum
  9. G

    Fault Finding

    If some one told you that their rcd was tripping out regulary what would be a good procedure for finding the fault. quick and easy preferebly.
    • gavinrawls
    • Thread
    • break dishwasher fault fault finding finding
    • Replies: 7
    • Forum: UK Electrical Forum
  10. E

    Olci 2330 level 3 fault finding

    Has anyone done 2330 level 3 fault finding with olci? Is it hard?! I heard it's pretty tough! Cheers
  11. P

    2357 unit 308 fault finding?

    hi guys, ive got my unit 308 next week. Its the practical part for finding faults. does anyone who has already done this unit have any tips for possible faults that they must put on the boards for me to find? thanks maggie
    • paulthemagpie
    • Thread
    • fault fault finding faults finding tests through unit
    • Replies: 5
    • Forum: UK Electrical Forum
  12. I

    Correct Procedure For Fault Finding On An Immersion Element

    Lads Can anyone please tell me the correct procedure for fault find on an Immersion Heater Element?? Does anyone have a PDF or give me a laid down procedure Regards Chris
    • irishsailor
    • Thread
    • between check control correct earth element fault fault finding finding heater immersion procedure
    • Replies: 12
    • Forum: UK Electrical Forum
  13. N

    Need help with fault finding material, 303 C&G. Please Help.

    Hi I passed the inspection and testing exam. I have my Fault Finding and rectification exam coming up, and I am having a problem!! I cant find any help (books, pass papers, websites) on Fault finding and rectification. I looked every where but no luck! I have the books OSG, IEE Wiring Reg...
  14. B

    Can anyone recommend a good step-by-step fault finding book or guide?

    I'd like a decent book (or even online guide if possible) that has a good step-by-step approach to fault finding. Does anyone know of one? Similar to the Part P Doctor book by Alan Lynch would be great. Many thanks in advance.
  15. D

    Question about fault finding.

    If i have 12 panels wired as two strings of 6 in parallel, and i do an VOC to confirm the correct voltage, and i do Isc to check for double Isc - how can i confirm that both strings are functioning if the irradiance is low. I have wired it from the inverter in two core, out onto the roof into...
    • dansk
    • Thread
    • confirm fault fault finding finding inverter question voltage
    • Replies: 10
    • Forum: Green Lounge (Access Only)
  16. C

    Need help on testing procedures & fault finding

    Failed am2 on ring final circuit, insulation resistance testing & fault finding..
  17. S

    best books/reference guides for learning heating control wiring and fault finding.

    Hi All, Apart from some recent PV Installations Iv'e never worked on domestic properties and I have to admit to knowing zero about central heating systems but after working for a renewables company I think I need to broaden my knowledge in this area as I think Heat pumps and solar thermal are...
    • snoopyspark
    • Thread
    • best book control fault fault finding finding guide guides heating learning wiring
    • Replies: 16
    • Forum: Central Heating Systems
  18. S

    Telephone wiring guide and fault finding

    Wiring for UK Telephone Sockets Although pin 4 has no function in a domestic installation it is usually connected for the sake of neatness. The quality of wiring carried out by many older BT wiremen is often approaching art in its perfection. The BT Drop Cable (The cable coming from the...
  19. P

    some help explaining earth fault for fault finding project

    this is what i have down at the moment.......is there anything that you guys would add? An earth fault is the most common fault in electrical circuits. An earth fault may consist of a circuit breaker tripping, a fuse blowing, or an RCD (neutral to earth) instantly or it may not re-engage. The...
    • p11jor
    • Thread
    • conductors earth fault fault finding finding project switch
    • Replies: 16
    • Forum: Australia
  20. S

    Fault finding issue help please

    I have installed two strings of eight panels on a single story building. The top row of eight seem to be performing well. But the bottom string performs only about half to two thirds of the top. Midday results yesterday which was sunny ....... String 1 240v and 1113w String 2 261v and 493w...

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