Fault Finding Electrical Circuits - Electrician Life
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- Äas pĆidĂĄn 19. 08. 2020
- Fault Finding Electrical Circuits - Electrician Life
Join me as I trace a fault with a tripping RCD!
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#FaultFinding #ElectricianLife #ArtisanElectrics - VÄda a technologie
Watch the follow up video to this where I rewire the faulty cable here: czcams.com/video/tUyvLSfB3qE/video.html
What pliers do u use
@@chazvirdee2012 looks like knipex multi pliers
Nice one Jordan. As a retired industrial maintenance engineer, I really appreciate a thorough, methodical, approach to fault finding, and, you definitely fall into that category. It's a big thumbs-up and a sub from me.
I somehow stumbled upon this channel... and I am happy to do so... My father was an electrician... I was, and still am, interested in electricity and how it works (Dad passed away before I could ask him anything, but was always watching him while he was fixing stuff)... so thank you for making my "learning" easier and based upon real-life examples. You just got one more subscriber :D
Thanks for watching! Sorry about your dad.
Licensed Electrical Engineer here. This is why I love my line of work. I get to troubleshoot and design.
Love these style videos they really help my training. Thanks Jordan
Nicely done đ. Very brave giving a time limit on fault finding. I always say it X for the first hour and then X per hour after and just keep the customer upto date with the progress.
That is why we in sweden use pipes, so you can change the cables.
Tjena kungen!!
Yes we use corrugated pipes in Norway too. Super flexible and bendable, if installed properly. Rewiring will be no problem
Unfortunately the UK hasn't caught on to common sense things like this. I've lived and worked in a few European countries and they all used some type of plastic conduit.
we in Asia india Pakistan Bangladesh China. ...use conduit plastic pipes. rewire is so easy. but Indian domestic dwelling termination is a lot of doggy using tape on wire joints without wagos, connectors ...and open conductors everywhere around and above your head . ....
@@PurityVendetta The one thing the UK leads with is the sockets. The European round pin system and the US flat pin systems are awful. The fact that each plug top is fused is also a great safety feature.
@@npr1300A8 I grant you the UK domestic three pin plug is the best in the world if properly fused. The only thing I've found not to like is accidentally treading on one in the dark with bare feet đ”
Not the plug's fault but I do notice that many aren't appropriately fused as in fuse value.
Great channel you have there Paul. I subbed and think I'll have to do a bit of binge watching đ
Here is some bonus info from an electrician from another country.
Every installed thing has a leak current, which is normal. But if too many devices are running through the same RCCB, it can add up to the point where it trips, even though there is no short circuit anywhere. A rare thing, but when it happens it's likely in a place like a restaurant kitchen or similar, where they have machinery that consumes a lot of power running over the same RCCB. Good to know if you end up in this situation, it may not be the first thing that comes to mind. Recommended max MCBs per RCCB where I live is 9. And that is for a normal household.
IET tells us to design based on 30% of the RCCB's rating (which is very conservative). The schedule of fault current based on device type can be found online too
Well done Jordan. I am a qualified house electrician and then worked on heavy commercial vehicles and like you loved fault finding and as you said being s detective gave me such a buzz especially when you find the fault. Kind Regards John (love your programme especially how you started off being an electrician)
That is awesome!
Great insight into your process Jordan enjoyed it very much.
Awesome, thank you!
I am liking these sub-30min videos, there is something about having them less than 30min which makes me feel like they are easy to watch.
European electrical Main GFI. What a pain. You are an awesome electrician. I can see nothing wrong in the way you troubleshoot finding the ground fault. Customer going to have to live without three lights, until he is willing to tear the ceiling open and fix the wiring. Great job!
You do the best troubleshooting videos man.Thank you!
I had one just a few weeks ago on an overhead crane (I do industrial maintenance) with 2 separate S/Cs; one on motor wires snagging on a DIN rail, the second on a catenary cable - I think it was just pot luck which SC was tripping it at a given time....
A 24vdc pilot lamp blowing fuses on a vacuum pump supply is another personal "favourite" find.
I've seen also SCs where cables have been carelessly stripped and the insulation nicked ever-so-slightly with pliers / snips.
Brilliant fault finding. I never thought of using the multifunctional tester set on continuity, testing between each CB for the short circuit fault. Also giving the high and low resistance readings. I think I would of just used a continuity tester. Brilliant videos! đ
I work on public lighting and we use similar methods to find a short so we can replace that connection with new cable. Its realy fun and intresting, sometimes it can take us a cople of hours to zero in on problem if the street is long.
Bro i just saw this video and subscribed after watching it ..... Iâm learning alot thank you đ
Enjoyed your fault finding..
I love fault finding really gets your brain going..
In Italy we use corrugato..which i think translated Is conduit..easier to change or modify lighting..
Wow, learnt a lot from your video. Though I am not an electrician, I am happy that I would start trouble shooting from RCD just like you did. :)
I like how you broke down the wiring
I would always check the RCD before going outside the board
Recently had a similar fault it was the last light I checked
Fault was a mouse had nibbled through the insulation cut out some nibbled cables fault sorted
Thanks Jordan
Love a good fault finding in the morning! đ
Quentin Smith thanks!!
When I do this, I like to go to the first junction box from the central, and start disconnecting from there rather than going about trying to find a socket or switch thats faulty. It's down to a lot of luck, but I like this way of doing it too. Thanks for the information,.
For some reason the youtube algorithm brought me here and I'm not disappointed! Good video!
Great insight into the thought process you sparks have , I'll definitely be using this process when my rcds next trip
Great find and all within an hour, youâre good đ
Terry Tugwood thank you sir!
Awesom!
Thanks for sharing your knowledge.
I like fault finding as well. Gives you buzz when you find the fault. I would have tested the last switch before you had cut then to save more work.
It's better to not get a buzz when fault finding :D
I like your methods for fault finding. The only thing I would do differently is a full test of the rcd first on x1/2 then x1 and x5 and then a ramp test to make sure the rcd is going faulty under load. Once the rcd passes all tests I move on to the circuits as you did đ
Good job buddy
Andrew Dobson thanks!
Tripping when the customer plugs something in screams N-E fault so I'd probably check that before I did anything else.
Good common sense fault finding. Iâm now a happy subscriber. Love your attitude and approach
Thanks!
It's remarkable how different the electrical terms and abbreviations can be so different. I am able to follow along, but without the visuals I wouldn't be able to lol
I loved fault finding, so satisfying when you find it.
I think you mean satisfying
I like the thought process, so simple
Nicely done.
ive only started wtahcing in the past month but this is so weird seeing how diffrent jordon is hes so much more calm you can tell in more current videos he became more confident
Nicely worked out. Well done and quick too.
Super useful video. Thanks mate.
Enjoying the videos mate. Thanks
I thought neutral to earth when you said it was tripping as soon as they plugged in đ. I would have gone for the screw on the switch plate nicked a neutral when pushing it back or a metal light fitting with the same đ. I do love a bit of fault finding! Loving the vids Jordan. Keep them coming đđ
Before I see the fault I was guessing a cooked cable in the vaulted ceiling with the halogen GU10s. Kingspan insulation and 50w halogens with cooked cables I have seen so much in recent years
Thank you. This has enlightened me.
There is an apartment being used as a Lounge which has been a headache for me. It's wired with a 3-phase supply.
The 3phase main differential breaker trips periodically within the day. I've been on it for days to no avail in tracing the fault which I suspect to be leakage.
I believe testing like you have should bring me positive results.
Damaged cable by another trade at the time of construction, most likely. It never ceases to amaze me how other trades think that pvc unarmoured cable is invincible. One time a plumber roasted in service lighting cables nearby to pipework, with his blowtorch, while installing a shower. The Insulation resistance readings weren't good....âčïž
I always keep a few 3.5mm pins in my pocket and a threading tool in my tester box. I spend pretty much all day testing social housing so I come across stripped screws several times a day.
Black Fingers nice tip thanks!
Good logical process. Nice work.
Many many thanks
Lovely ! GOD bless you !
Exactly the same as we do it over here đŠđș. Great watch mate and good find đđŒ
Definitely a good one Jordan whatâs exasperating is not fixing it in the time allocated and you know with the location fishing a new cable gonna be a nightmare. Possible nick when the boards were put up my guess and then heat damage from the halogens a distant second. I have to say itâs gonna be a bigger fix. A TDR or a Savary special could narrow the exact location of the fault with a bit of math. Then the option would be what we would do here in use cut the board at the location to get to the problem would help with fishing new wire as well. That way repair to the plasterboard would be less significant.
The point is that issue has to be fixed sooner or later not sure kicking the can down the road by the customer solves anything other than leave himself with a headache.
Get to know a great plasterer that way you could get to price these jobs more effectively and broaden the scope of work you would want to do.
Great to watch
This was awesome man
Well done đ
Enjoyed that puzzling riddle. Lesson for today; can now have a nap.
Excellent!
Done plenty of this, good video
Classic fault finding process.đȘđ»đ©đ°
Elektrikeren thanks!
Very good video đ
Mate between you and nick bundy, you give me, at 57 a new lease of life and getting back into sparkying.
Excellent work proces
Nice work Jordan....
Great job and video
Troubleshooting 101, good job
Bro loving the video! You are helping a lot of young sparks like me man ! đŻ Iâve had an old consumer ( pull out fuses instead of Mcbs; and no rcds) so basically the lighting circuits of ground and 1st floor were wired in together like a ring. So I upgraded the CU first and separated it. However now Iâm getting fault on ground floor. Downstairs is kitchen, bathroom and living room. LR is perfect however first thing is there is no live going to the switch ( I havent checked the actual light fitting to see if there is current going there). But even so I am totally baffled as a young sparky why itâs tripping đ could you offer some help please and some advice on which tests to do?
Good job đ
I'm really thankful that we here mostly use ducted installations and usually have a junction box in the ceiling that is like switch box you use, inside the ceiling but accessable from the room under a lid. And usually the mains come from the board to that junction box, from there either to all lights separately or from box to first light and then from that light to the next. Might be without ducting between the lights but here if you do ductless cables they cannot be secured to anything, they must be able to move if a screw or something is screwed where the cable goes behind the plaster board or something. Not sure if anyone understands how I mean but I like our way. We also in older homes mount the cables on the surface, we might use MPLM cable for it with Schneider TKK fastenings
Great video and fault finding. Iâm subscribing. Like how you pocketed the shield cuttings, Iâd have thrown them in the bed đ.
As always, enjoy watching your videos. Always informative. Your explanation is clear. Your a professional Jordan. Would like to see more fault finding vlogs. BTW where can I buy the cutter/snips you're using?
I used a small neo magnet tapped to a nylon garden twine, then a very strong neo magnet to pull it across 10 metres of plasterboard ceiling, then tie on cable and pull in.
Jobs a good en ! đ
Sounds great!
Good vid keep it up đ
I like your testing - I would not have snipped the neutrals at 13:36 - I'd re-checked for the CPC neutral short first.
Good fun - thanks.
I was gonna say the same thing.
Thanks for the tips!
Very good way of finding a fault quality work sparks
you done well to find that in 1 hour
Fault finding can vary very much! Me and a colleague spent 4 hours finding an earth fail, we found the fuse and there many old light fittings on that fuse. We took a guess that it was the source.
But nooo, the very old light fittings were all good but there was 1 socket on that light circuit where an amateur had connected on that socket and he had screwed the wires to a pinch in the box..
Thanks Jordan
As a retired service engineer always get as much info from the customer before fault finding as sometimes that points to the problem if not done already.
I've had that with Doncaster cables the neutral inside the cable had a slash in the sheath and was intermittently touching the earth in a kitchen, luckily an easy fix as it was just a leg between 2 sockets. But when you moved the cable the fault cleared. Its mad to think that it probably passed an initial eicr or not
I was screaming STOP in my head when you did the second cut on the cables behind the switch at the stairs. You could have done a quick measurement on the cables as they were and saved yourself some extra work.
I agree with you David... Just remove the lamps and drivers.... You could then find it in 10 minutes
Why is no one trained properly... I ain't a electrician but all the video's I see just show incompentence ..... The issue is not the cable but what is connected to the cable... All he has to do is disconnect one leg ... either live or neutral and he would of found the fault..... Is it me or have we trained everyone with no simple diagnostic skills... I WILL SAY THIS AGAIN.. THE PROBLEM IS NOT A CABLE FAULT BUT WHAT IS CONNECTED TO THE CABLE... HE SHOULD BE FORCED TO RETRAIN... RANT OVER
It was a cable fault not a problem with anything connected you clearly havenât watched the follow up video.
I love electricians who are perfect lol. I employed hundreds over the years, but sadly never met any, except me of course. đ
@@robertwheeler8476 You're not an electrician, indeed. I am. When fault finding never assume anything. Break down the circuit methodically to find the fault. Also, removing lamps and drivers is often an absolute pig of a job especially crappy old halogen units. You end up with damaged ceilings where the heat from the light fitting has dried out the plasterboard. Awful things. Hooray for LEDs!
@@stuartmc18 I would guess a very poor electrician. I suspect you are a cable puller!!!
Nice job!
Thanks for sharing đ
Thanks for watching
Did you hear about cable tracer its a kit that makes thing very easy to find the cable where it goes. Up to testing switching was fine after that i would disconnect all the lighting in that room tracing cables and insulation test each at the same time. You would save time in that way
You did well to find the problem. I would do the same thing as you. How would I replace the wire? I will pull a new cord or chop plasterboard out using an obsoleting saw. Easy to patch back up but time consuming
Excellent stuff!
Thanks
Hi Is there mouse lose about this house đ€Ł great job of detecting the fault . Admittedly the additive they put in cables is a deterrent to rodent damage. I have had a problem were a cable was damaged by a screw . But became problematic over time because of thermal movement in the property . O the joys of being an electrical contractor Best wishes Mike in the U.K. đ
I like that job
I had a job where the customer (a mate at work) had had a garage workshop installed and it was powered up then when they plugged a lawn mower in it tripped. The lecy who installed the garage system said your mower is faulty but did not come to site.
I looked at the install and found the lecy had put the neutral in the wrong side of the split load board back in the house.! Moved it across to the neutral bar on the same side as the live. Job done!!!!
Foot note: the mower was fine it tripped as soon as you plugged in anything....
Well found. You might get lucky catching and re-running the duff line, but it's a swine of a job.
Loft conversions are a major source of wiring faults because each successive trade covers the fault with their work.
I wish people would run conduit and individual wires (they insist on that in some EU countries).
You might wanna search for dry wall screws with a magnet perhaps. Who knows, you might get lucky.
You could perhaps use a cable finder to track the cable if you open it in both ends (to check for screws in its path)
The cable finder always works for me simple and effective, then you can work most things out off the back of that ....
Very Interesting đ€ video.
I'd love to work in electrics. I find it so interesting especially the problem solving side of it.
Aye, wait until your on a timescale, and in a house and canât find the fault, and your like an idiot not being able to find it and the customer knows it đđ
@@jasonhounsell3297, yeah you're probably right. I should have probably said I'd love to work in electrics while knowing what I'm doing.
That's why i never give a timescale for fault finding đ
Good job, same as always
I appreciate that
I'm not electrician but if i were id hate to watch one of your videos and think to myself.. hmm that house looks familiar lol.. and ur fixing my work lol đ€đ€«đđ€Ł
That's one of several things to hate about downlights, you have a set of christmas tree fairy lights and transformers and junctions strung in the roof rather than a simple pendant and switch live. At least with these new wireless light offerings you have a central junction point and feeds out from there.
I absolutely love the wireless switches. Total godsend đ
Im guessing its one of the boxs on the downlights...will continue watching!
đ
Looks like the perfect job for a bit of flexi con clipped to the ceiling
Otherwise known as a bundy special?
Grab yourself an earth leakage tester Jordan do your 1st process with the Mcbs then if the RCD resets clip the earth leakage on and switch off one by one till it drops saves ages.
Northy 32 nice tip! I do have one but forgot to use it! Thanks
@@artisanelectrics i have the 1664fc and i have had mixed results with the ramp tests. They are never ever consistent, I have ended up chasing my tail with it. I hardly ever use it to be honest and I don't think it would have saved much time.
It could be the case though, that when you switch an MCB off and the leakage reading drops, it's a neutral fault, the fault could be on another circuit?
Bit dusty but put new lights cable in use mini saw DreMel type then seal and plaster over trace done lots of times
Don,t forget to rub your chin for a few seconds when customer asks how long it will take to do the job. When customer asks how much it will cost, turn the chin rub into a few seconds of scratching.. đ€
In Italy we put pvc tubes to avoid this kind of problems whit the ceiling and so we can rewiring whit no problem, only in Italy we have other types of wires more flexible.
Great work jordan...get the super rods out mate for a rewire. đ
Not a bad idea
your'e doing a great job but at 15:15 i would have removed one of the lights at the back of the room cutting the string of lights in 2 parts after that i would have probably gone for the one in the middle on the left side.
Thats my method.
Favourite type of video, its was like watching a story unfold! Thanks
I would have checked the earth leak using ramp test first then moved on to the circuits any electronics are circuits within circuits LCR circuits with shorts often don,t draw enough current to creat a dead short but earth leak will detect, we used to have to wire high integrity earths due to electronics naturally leaking thus they started asking us to verify earth leakage current as some as I saw that the electronic transformers were on the circuit I would have been all over them dimmer switches used to cause havoc when earth leaks first came to be common practice in consumer units gone were the days of rcd socket located near exits industrial now tend to go 20a 4mm circuits with earthen leak sockets and clicks for light fitting makes fault finding very easy keep the good work up Jordan
Just wanted to ask a question. I'm starting a business from home that will use a lot of power, and I'd like to kind of work out, which household plugs are for each 10 amp circuit. What's the best way to do this? I mean, just plugging something in to each plug and having only one circuit turn on?
In the Netherlands we have a max of 5 mcb's behind a RCD. More mcb's means more RCD's . In you case to much leakage of the single RCD
Mice,rats,bats,squrriels, birds in roof!Even seen a nail through roof batten & into a cable clipped to side of rafter,plasterboard nails/screws through plasterboard into cables, have always like fault finding,the fun you can have..A inspection camera,a very useful tool to have,can be a great help at times looking into cavities,etc.
Love it!!