faults | Page 6

faults

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  1. K

    Commercial & industrial faults.

    Here’s one to start me off This nearly resulted in the death of an electrician! Day 1 Lost one phase to a large storage shed DB. Immediately heads off to where the “Plumbers from Hell” are digging a trench for a new 6” main, low and behold the raged remains of cable dangling out of the side...
  2. brucelee

    new circuit for oven and found lots of faults

    Hi to all, I went round to carry out a visual ispection before doing above and have a couple of questions if ok Its a TN-S system Domestic 100amp main fuse , has a MEMERA 2000 ccu with only 1 side RCD protected by a 30mA 100amp RCD there is a type 1 and b mixed breakers 40amp type b...
  3. L

    Board change - faults

    I priced a job the other day and priced low as i had a few days free, part of it was to change the board, i didnt say anything about faults to the customer before i started but there is an open circuit in ring, neutral, i said id have a quick look in the back of the sockets for anything obvious...
  4. A

    Two faults on the ring?

    I'd appreciate any suggestions on this one. Went to job that was "socket not working" and quickly found loose neutral - owner had installed new faceplate. Fixed the neutral problem, however, when testing I got a very high ELZ reading at that socket - this must have been an existing problem...
  5. W

    common shower faults

    hi guys, can some body tell me how to test a shower for a fault or where i could get this information. would like to know a bit more on how appliances work and how to solve common faults from a shower, for example if an electric shower was tripping the rcbo out and the cables were fine, what...
  6. sythai

    CU changes.... testing first

    Evening all... Just quick question before pop out. Recently there was a post on CU upgrades, and someone? said when pricing they done it as 2 seperate jobs. First job: full test and rectify any faults. Second job: CU swap and quick test (as you will have most of results from job one) Good...
  7. D

    Fault Finding Practical 2330.

    I was wondering if someone who has done this exam would be able to tell me what certain faults will have on the test results. I don't have a job and have to do this exam in a couple of weeks and while I know how to test I am feeling very unprepared for it. I know that doing CPC check will...
  8. R

    How far do you have to go with pricing?

    Hi just after a few pointers, I am doing a kitchen for my sister in law and as I am employed this is just a materials cost type of job. However what i thought would be pretty straight forward has turned into a bit of a nightmare as on the first fix I checked the ring main which was open so I put...
  9. W

    Fault finding Help

    Hi I am in my 3rd year at college and wondered if anyone has information on what will be in the 3rd year exams. I really just want to know the main types of faults and how these can be resolved. :confused: Thanks Wayne
  10. C

    2391 Practical Visual Inspection

    Hi Guys, Getting a bit concerned now about these 12 faults you HAVE to find for the visual inspection on the 2391 are they in your face faults or have you really got to look out for them???? Worried that I may fail for missing one of them. :eek:
  11. B

    cheapo customer

    Doing some remedial work for a customer thrown up by a periodic done by another company, We're 2 days in and have done a CU change, main water bonding, fan + isolator in bathroom, rewired undersized spur in the kitchen...blah blah Anyway, now most of the installation work is done, customer says...
  12. L

    fused spur and faults

    hi everyone if i had a fault on an outside socket and the fused spur was switched off inside what controls outside socket would it still trip the rcd hope that makes sense
  13. T

    Profibus faults

    More and more machines where I work are being wired using Profibus. So that the PLC CPU is connected to remote I/O units by this type of 2 wire shielded cable. Occasionally a machine will go into fault and a Bus fault (BF) LED will be lit on the CPU. This usually means that we have to...
  14. C

    Faults

    i have wired in a ring circuit and there is power there, but it doesnt work when anything is plugged in. another fault is that the landing light doesnt work, this is a 2 way on stairs. problem is, it doesnt work until the down stairs lights mcb is switched off and upstairs is on. again if the...
  15. K

    Tell us about your faults!

    Hi ALL Just thought id put this one up for all those faults we find. heres one to kick it off ! Domestic RCD tripped and wouldnt reset cause was a blown low energy light bulb.:D There you go now for yours !
  16. P

    How to eliminate nuisance tripping due to neutral-earth faults.....

    I have it ! EUREKA ! Just cut the main earthing conductor and job done ! OK just kidding, but shouldn't the 17th edition have gone further and stated that all circuits will be protected by RCBO's? You can now buy an RCBO for a tenner. While I am having a rant lets do away with the ring main -...
  17. A

    animal/ insects causing faults

    Has anyone come across this before. A client called me up about a lighting fault. after a couple of hours chasing the fault around I traced it to a light fitting in a cupboard in her bedroom. Unscrewed the pendant and all this slimy golden goo came out. went upstairs, yanked up a couple of floor...
  18. S

    Fixing any faults

    Hi all, could thinks of a tidy title so there it is. My QUESTION IS:- Ive been in contact with the NICEIC who i will be trying to go with in the next couple of months. Theyve asked me to prepare two pieces of work for them one major one minor as you all probably know. im planing on putting a...
  19. scotsparky

    Inspection faults. comments please.

    i had to do a pir on a care home and within 10 min of getting on site i was on the phone getting a danger notice to the Faciliies company. here is part of the list any comment will be interesting. 1 TT system no main earth or rod. 2 No RCD protection on system. 3 No main earth bond to...
  20. S

    rcd faults

    im new to this board so just like to say hello first,now my problem. Got a mate who has just installed to storage heaters on a small 4 way consumer unit backed by a 30mA 80A rcd .He says when they switch on on 8KW setting they stay on during the night but when they switch off they always take...

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