Commercial Electrical Fault Finding
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- Опубликовано: 30 май 2024
- What's good guys, in todays video me and Callum have got some faults to find in this commercial electrical installation, and you also get the see the general day in the life of an electrician!
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The works carried out in the video and the opinions shared are my own, and not representative of the associates and companies in the video.
This content is purely for entertainment purposes and is in no way a "how to", tutorial or educational video.
Please consult an electrician when dealing with any electrical installations.
#electricianlife #electrical #electricalengineering 
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Tool is a bench grinder dressing tool(smooths down the face if been grinding in one place)
yep
It’s just your basic 4 1/2” grinder with a flap disc mounted. Looks like a Makita.
I’ve looked at one at my work many a time and had no idea. Cheers
Finally some good fault finding in an industrial setting, nice to see, really love these kinds of videos
Good find That 110v was dangerous,as one side of the split phase was connected to the earth. Any metal casing on equipment plugged in would have been 55v . Would have been interesting if you done a loop test on one of the 55v sides to earth, common problem with 110 distribution is the disconnection times are a lot lower than 230Uo. As a commercial & industrial electrician it amazes me the amount of non compliant 110v system I come across with zero testing and documentation
110v is normally wanged in by maintenance engineers, usually without electrical qualifications and always without experience...
Saying of the day "why are you trying to look like you know what you're doing?".... lol. Go Callum! Love these fault finding videos.
Ah yes Mikey welcome to the workshops 😂, that “torture tool” is for dressing the face of the bench grinding stone, different types of dressing tools for the different types of stone
Glad that I stumbled onto this channel. It's what I've been looking for.
Great videos and content. I've been a domestic installer for 5 years now and it was the best decision I've ever made, work wise. I actually don't mind getting up to work but recently I've been getting a bit bored and want to challenge myself and take the next step. So seeing all the commercial work you do has made me really like to get involved. All the fault finding and installing content you do, I find so interesting. Keep it up
Thanks! Glad your enjoying the content!
nice breakdown on finding the faults, well worth watching. continue on the uploads great content.
An an aside I bought a Kewtech KT1780 yonks ago after seeing it on your channel. Best bang for buck ever in troubleshooting. Have used it to verify VDSL pairs in comms cabinets.
Always fun to watch fault finding videos. Got my qualification can't wait to work with someone who does this kind of stuff in the south west. Being an electrician feels like a fun job ⚡🔌
Congrats on getting qualified, go get it 💪🏼
Hey, I enjoy this type of content, Im an industrial maintenance man, somewhat a rookie and love watching troubleshooting videos
Dorman smith are still kicking, 130 year strong. Pretty common in Scotland, good gear 👌🏻. Great vid as always mate 👊🏻
It’s decent kit! Thanks mate 👊🏼
Good job. Thanks for video.
Great video as usual mate.
Yes I had that before where one of the ballast have blown and took other lamppost out
Another great video mate
Nice one, I also buz between phases, as burnouts and backfeeds can seem like 3 but only 2
Wish my days were as easy as yours lol. Just kidding mate I know our job swings in round about.
Enjoyed the video and loved the little dinner date you two had ❤
The tool is for dressing grinding wheels. From and old sparky.
Getting a very 'Brokeback Mountain" vibe, seriously should have an innuendo bingo card as part of the video 😂
Everytime i hear that torque wrench in the the intro I can’t help but just think, Semtex 😂
Hahaha SEMTEX OUT
Better lighting at last 😆👍 Make/buy yourself some industrial test sockets/adapters. Always check the reported fault before dismantling things, I've had a few where there hasn't been a fault. Why did that 119v socket have a screw terminal block? And it looked lke someone had linked the armours? (was each socket on it's own radial, or were they linked in to a bank)
As I've said before, your videos should be watched in a cinema.
Thanks Eric, I appreciate the attention to detail 🤝🏼
up until now I didn't know that 110 was used in England.
as you might know, our wiring color code is different here in the US.
Black is Hot , White Neutral, and green or bare copper for ground.
and we run on 110 at 60 Hz with a 100/200 amp lead in for residential.
we also have 230 but it is used mostly for electric stoves/ranges ,clothes
dryers and Central Air Con. welders, and some air compressors.
where your color code is brown for Hot, Blue Neutral and green with
a yellow tracer for earthen ground. and you run on 230/50 Hz. Residential.
LOL when you were working on the outdoor lighting, I flashed back to Mr Bean
when he was waiting for a bus and a man at the stop has a heart attack, and
Mr Bean runs and borrows a set of jumper cables, and opens up the lamp post
and connects one end onto the power leads and uses the other and gives him
a electric shock to start the mans heart again. 🤣
Thank you 😊
Something different Mike. I wouldn't put it down It's called experience and being a good sparks that's why you found it easy.
Very kind mate, hope your well!
"This is rough content man, hooing the outside is more interesting, we're scraping the bottom of the barrel man"
I didn't see any ISITEE being done 😂
A Huntington type grinding wheel dresser. Cheaper than a diamond dresser.
For turbines its GWO courses you get them in a package roughly £1250 for all then you need a medical and chester step test
Glad I got that bell on ⚡️
I appreciate that more than you'll ever know!
Likewise the productions and editing is different gravy as well as the subject of his work!
Hmm cranes and faults… faulty towers? Ok I’ll see myself out 😂
Windmills; first thing I think is GWO certification at minimum as thier working at height stuff is off the chain.
Get this man to 100K
Haha that’s the dream!
how do they run the 60hz american stuff on the air base? just it do just fine at 50hz? cheers
I’m not sure to be honest but I guess the had a sine wave inverter also 👍🏼
Resistive equipment doesn’t matter and most equipment/ motors are 50/60Hz
Frequency converter
thanks
What meter was he using?
Now all the appliances with specially mis-wired 110V plugs will not work in that socket any more..........
Strange that where the lamps failed there were 2 LED units that had both failed in two instances?
mike aren't you meant to cook them garlic mushrooms 😂😂😂
Now you mention it, you probably are 😂
😂😂😂@@residualcurrent
Garlic mushrooms are usually crispy on the outside, those weren't.
GWO training, every 2 years for the wind turbines.
Thanks! 🤓
That's my plan once I get qualified. I was a rope access technician for 10 years. Get my gold card, and get my GWO and go have fun at height with electricity.
Keep me posted, sounds like a lot of fun!
iT'S A DRESSER FOR THE OFF-HAND GRINDER BELOW YOU.
Maintenance is hard to film, employers at the factory level want you working not filming! Lots of headache with H&S/Site policies regarding use of phones etc.
Did you lock off that 110 circuit
Nope, but me and Callum where the only people in the building except our escort, and the board was in clear sight from where we was working.
If I had even the slightest worry of any potential re-energisation it would be locked off 👍🏼
@residualcurrent you can tell I am a newbie just finished my nvq and am2.
Not at all buddy that’s the only attitude to have, I should have locked it off, and I normally always do, I’m just justifying my complacency 🤦🏼♂️
@@residualcurrent lol real world I know
You didn't even need to unscrew at the first and second one. Could've just used your meter and check if there's voltage present. And at the lamp posts, you really just put in new fuses, instead of finding the fault?
that kewtech tester behaving a bit sus
how could a electrician wire this up -or was it a worker in the workshop ;?????
I don’t know 😂 it was proper installation, a lot of these are historic faults they waited for them to stack up before calling us in I think 👍🏼
With the 110v socket there’s no neutral. It’s two 55v lines.
Sure, I corrected myself half way through 👍🏼
@@residualcurrent I’ve just seen that as I’ve carried on watching 👍🏻 like the content mate
"It’s two 55v lines." What? I've never seen anything like that.
I'm in the U.S., here the national standard for residential,
120v/240v Split-phase - most people mistakenly call it single-phase (there's no single-phase in US residential).
Almost everyone in the US calls it single-phase instead of split-phase - even sparks - otherwise no one knows what you're talking about. Commercial is too complicated to quickly explain here, commercial has split-phase, single-phase and three phase.
At the incoming panel L1-N-L2 from the electric company. Local earth/ground provided ground rod(s), water pipe bond, etc.. Earth and neutral are connected at the incoming panel, only there.
L1 to N 120v
L2 to N 120v
L1 to L2 240v
US outlets any L to N, and usually an earth on outlets in the last 50 years.
Plugs for US style 2 blades, some are polarized,, many aren't polarized. 15amp or 20 amp
Plugs for US style 2 blades plus a ground pin at bottom. polarized. 15 amp or 20 amp.
Imported Chinese crap often doesn't connect the earth to anything.
240v sockets/plugs vary. electric range, clothes dryer, big-ass AC units.
240v outlets other than those are very uncommon in a residence. You're not going to find them.
In the US you can buy any variety of plugs.sockets you want, no one cares, I'm very surprised anyone in the UK had to ask permission to buy North American sockets (BTW: Canada also uses 120v.240v for residential).
The asking permission part generally isn't part of life in the US in most areas of life.
Any questions?
Oh, in the US in urban areas often sparks are native Spanish speakers, it's common to find one who only speaks Spanish and a dozen English words - this isn't a problem here, just different.
@@davidnull5590
Interesting read. So here in the Uk. Our standard supply is single phase to a domestic property
L1-N 240v
Or
3 phase
L1-L2 400v
L1-L4 400v
L2-L3 400v
Some places it’s still on the old 415v like on the site I work.
when it comes to 110v we use a transformer within the property/building which usually then feeds its own 110v board and the outlets are yellow
If you test between
L1-E 55v
L2-E 55v
L1-L2 110v
I’m not the best at explaining things well but that’s the gist of it, it’s quite different between our counties.
No power or grinder don't work, get your voltage meter out.
OMG! Working with metal hand-watch inside a live panel. Really!
Is not a good ideea even you have good skills. Soon or later something wrong could be happend.
They must have though green was on and red was off on the breaker
great vid!
Im a new electrician . .. can you comment on uc and ul? I did my first rcd test and my tester said uc greater than ul! cant see how to fix ..any suggestions?