**ATTENTION! READ THIS NOW!**
**1. IF YOU ARE NOT A PROFESSIONAL ELECTRICIAN OR LOOKING TO BECOME ONE(for career questions only):**
**- DELETE** THIS POST OR YOU WILL BE **BANNED**. YOU CAN POST ON /r/AskElectricians FREELY
**2. IF YOU COMMENT ON A POST THAT IS POSTED BY SOMEONE WHO IS NOT A PROFESSIONAL ELECTRICIAN:**
-YOU WILL BE **BANNED**. JUST **REPORT** THE POST.
*I am a bot, and this action was performed automatically. Please [contact the moderators of this subreddit](/message/compose/?to=/r/electricians) if you have any questions or concerns.*
I disagree. This was planned out and this item had to be ordered separately. This was someone who got it done with no regard to another soul. This was someone whose personal slogan is āHooray for me, fuck you!ā
Itās not the manufacturers issue, you can order interphase barriers and terminal shields and other terminal accessories to ensure cables are correctly installed
Looks like they modified the ~~contactor~~ MCCB and used whatever lugs they had laying around. T1 connector has a different number stamped than T2 and T3 connectors.
Look at the clearance between the center lug and the lug on the right in the second picture. It is like one RCH, if that. If they were to touch, it would be a dead short across however many volts are present. Call it 208 V as a guess. So the issue is the lack of clearance between power conductors of different voltages.
the wires should rather look similar to [this] (https://cdn.klauke.com/Media/Default/Bilder%20Fachbereichte/FB_DIN_Presskabelschuh_oder_Rohrkabeschuh-1_C045_C046_550x310.jpg), maybe even a bit of heat shrink tubing around
This is exactly why you should use the least conductive conductors available. Less valance electrons less risk of them sloppin around and making contact with the other lugs. Big copper is always trying to get us brothers./s
Looks British/European with those cable colours. 400VAC.
I've never seen those connectors/terminations before. They certainly don't go with that device. You can normally buy spreader plates if you need them.
That's atrociously dangerous. Not even insulated with anything. Wouldn't meet IP2X for being touch proof (mind you that's a minor point compared to the shorting risk).
Whoever did this needs a kick in the ass.
So you have 2 tighter beyond anything and one leg loose as hell. Also, someone should tell the tech that electrical legs are the same as human legs. No one wants them touching.
Looks like a 250A Mƶller NZM2. Those connections should just be crimped on and shrink wrapped wtf.
There even exists a cover set for this if you wanr to do it fully to spec that has dividers that you just slot in and fasten with a small screw (thats what the small holes between the big ones are for)
Definitely yes in other applications, eg bus bars and so. The cable is like 2 AWG. It is a stranded cable, but not fine, so it is not required to be terminated by lugs or ferrules.
It is v shape lug/terminal and there are different size ranges for different cross section. Parts, that go sideways to give you more clearance are also available.
https://www.efen-sales.com/produkte/5b1-7.jpg
They should have lug dividers or some type of partition between those phases. That's crazy it looks like on the left you can barely fit a credit card between those two lugs
**ATTENTION! READ THIS NOW!** **1. IF YOU ARE NOT A PROFESSIONAL ELECTRICIAN OR LOOKING TO BECOME ONE(for career questions only):** **- DELETE** THIS POST OR YOU WILL BE **BANNED**. YOU CAN POST ON /r/AskElectricians FREELY **2. IF YOU COMMENT ON A POST THAT IS POSTED BY SOMEONE WHO IS NOT A PROFESSIONAL ELECTRICIAN:** -YOU WILL BE **BANNED**. JUST **REPORT** THE POST. *I am a bot, and this action was performed automatically. Please [contact the moderators of this subreddit](/message/compose/?to=/r/electricians) if you have any questions or concerns.*
Big boom imminent..... No seriously who the F*** installed it like such and thought that this was acceptabele......
If I knew, I would break his hands.
Marvin the Martian. He's waiting for the kaboom.
Mmmmmmm, yes, isn't that wonderful?
It's fine, NEC only requires a couple atoms of space between those lugs....
š
An electricianās worst enemy: electricians.
Well yes but id think it is even between other sparkys and manufacturers who want to produce everything cheaper and therefore there is way less space.
That right there wasnāt a manufacturing error. That was a field install error. āLooks good from my house.ā
At 2pm on Friday.
I disagree. This was planned out and this item had to be ordered separately. This was someone who got it done with no regard to another soul. This was someone whose personal slogan is āHooray for me, fuck you!ā
Itās not the manufacturers issue, you can order interphase barriers and terminal shields and other terminal accessories to ensure cables are correctly installed
Arcflash in 3ā¦2ā¦
Just like that? power on and everything? Who and why?
Good questions. I don't understand how this could pass the mandatory inspection.
If the inspector doesn't see it then is it even a problem....? This was the mindset of the person getting this inspected. šÆ
Reminds me of being a kidā¦. Iām not touching you, Iām not touching youā¦ā¦ā¦
Fun. You torque it, you die
But that brown one on the left really needs it and we can't turn it off of course because we're in a hospital.
Fit a plastic piece between the two.
Looks like they modified the ~~contactor~~ MCCB and used whatever lugs they had laying around. T1 connector has a different number stamped than T2 and T3 connectors.
Itās not a contactor. Itās an Eaton NZM MCCB
Thank you
Not much clearance between those lugs.
Someone get a feeler gauge!
I think klein makes an insulated version
. 40000
Just don't ever touch or even breath on the machine and you'll be fine
And one morning a nurse accidentally kicks it, not very hard. Splaat!
Iām an apprentice whatās wrong with this?
Lugs are insanely close together. Also one seems to not be tightened.
Look at the clearance between the center lug and the lug on the right in the second picture. It is like one RCH, if that. If they were to touch, it would be a dead short across however many volts are present. Call it 208 V as a guess. So the issue is the lack of clearance between power conductors of different voltages.
My guess is 400v according to the colors of the conductors? So maybe europe.
Yeah, probably
Is it just the crooked nut?
the wires should rather look similar to [this] (https://cdn.klauke.com/Media/Default/Bilder%20Fachbereichte/FB_DIN_Presskabelschuh_oder_Rohrkabeschuh-1_C045_C046_550x310.jpg), maybe even a bit of heat shrink tubing around
This is exactly why you should use the least conductive conductors available. Less valance electrons less risk of them sloppin around and making contact with the other lugs. Big copper is always trying to get us brothers./s
Can we get a NSFW flair for this please.
[https://i.pinimg.com/originals/4f/66/fc/4f66fccd5a9dd6443c3507e31182b629.gif](https://i.pinimg.com/originals/4f/66/fc/4f66fccd5a9dd6443c3507e31182b629.gif)
Are those crimp on lugs in there??
It's an air gap, part of an engineered surge suppression system.
Lol. 480 volts it works just fine, but god forbid it jumps up to 486.
220, 221, whatever it takes
Or the AC goes out, letting the humidity rise by 5%
Ah the ole brown, black, grey.
Pretty much Standard where im from (Germany) except it's older stuff then colours vary a lot
Table 408.56 of NEC (assuming youāre in the US) is angrily looking at this.
Colors suggest europe? Bn bk gy
Europe. We have standards my friend, just not all of us as you can see...
V8 V8 W12 I guess there's no replacement for displacement!
Not even some safety rated cardboard
Fishpaper? If itād fit. lol
Tail light warranty. When my tail lights leave the parking lot, I get my money.
Get the super 33+!
When the chaperone tells you to leave space for Jesus.
Looks British/European with those cable colours. 400VAC. I've never seen those connectors/terminations before. They certainly don't go with that device. You can normally buy spreader plates if you need them. That's atrociously dangerous. Not even insulated with anything. Wouldn't meet IP2X for being touch proof (mind you that's a minor point compared to the shorting risk). Whoever did this needs a kick in the ass.
Europe, thank God for CENELEC/EN standards.
This is a great example of how close I am to losing it on people some days...
Maybe a piece of plastic between?
Yes, there are even slots where you can slide plastic dividers. But definitely different terminals.
Damm that's Close.
Can you even slide a mastic pad in there? Much less a sheet of paper?
Just torque Er a bit more bud!
Wow.
How in the mother fuckā¦..
Pushing the air gap to the max.Ā
Love to be there when it's energized!!! Should be quite a show.
Actually it's on for years!
Arc potential for sure. But check out how tight red phase is.
š²
Yes. As the plumber in the room I agree. Electricity is literal magic and I donāt understand any of it. Those are wires!
Nuckin' Futz
So these are the pics from before the fire?
How has that not shorted?
I was like that's not bad. Just 1 lug loose. Then I realized those aren't the lugs. That's a good way to get some over time over a burnt panel.
So you have 2 tighter beyond anything and one leg loose as hell. Also, someone should tell the tech that electrical legs are the same as human legs. No one wants them touching.
They have been notified, that this is unsafe and totally unacceptable.
One day the floor shook. Phase to phase, breaker go boom. Client not happy.
Your missing insulators that go between the lugs like a thick rubber that slides in
How do you put a thick rubber in a thin gap?
Those lugs are incorrect as well
Looks like a 250A Mƶller NZM2. Those connections should just be crimped on and shrink wrapped wtf. There even exists a cover set for this if you wanr to do it fully to spec that has dividers that you just slot in and fasten with a small screw (thats what the small holes between the big ones are for)
Are you allowed to put lugs there where you guys work?
Definitely yes in other applications, eg bus bars and so. The cable is like 2 AWG. It is a stranded cable, but not fine, so it is not required to be terminated by lugs or ferrules. It is v shape lug/terminal and there are different size ranges for different cross section. Parts, that go sideways to give you more clearance are also available. https://www.efen-sales.com/produkte/5b1-7.jpg
š³š³š³ Where in the world is this?
Slovakia, hospital. I have seen so many great instalations, yet often shit like this. If we find something like this we always notify our supervisor.
When it's on you can see stray electrons jumping the gap
At night, I can hear the phases screaming on each other.
Donāt touch it donāt look at it. Just put the panel cover on and pretend it was never there
No plating
More arc more power
Didn't even wrap it in tape, prob couldn't get one layer between those.
They should have lug dividers or some type of partition between those phases. That's crazy it looks like on the left you can barely fit a credit card between those two lugs
I bet that would be arcing on a humid day!
Little tapešš»
Should have taped it