Making a High Voltage Fuse

🌏 Get Exclusive NordVPN deal here ➼ nordvpn.com/electroboom It’s risk-free with Nord’s 30-day money-back guarantee! ✌
Get your ElectroBOOM Bundle at www.circuitspecialists.com/el...
My MERCH: electroboom.creator-spring.com
Thanks for your support @ / electroboom
Post your submissions to: / electroboom
My Facebook: / electroboom
My X Twitter: / electroboomguy
My Instagram: / mehdi_sadaghdar
My TikTok: / electroboomguy
My articles: www.electroboom.com/
Special thanks to these companies for providing their awesome tools:
- Circuit Specialists, my referral link: www.circuitspecialists.com/?r...
- Keysight: keysight.com
- Lulzbot: lulzbot.com
Checkout my Amazon picks (my affiliate link): www.amazon.com/shop/Electroboom
Below are my Super Patrons with support to the extreme!
Sam Lutfi
Zoddy
Digilent at digilent.com
Raphaël Champeimont
My sponsors and top patrons: www.electroboom.com/?page_id=727
By: Mehdi Sadaghdar
0:00 Why fuses have voltage rating?
3:20 The makings of a high voltage fuse

[@ElectroBOOM]

🌏 Get Exclusive NordVPN deal here ➼ nordvpn.com/electroboom It’s risk-free with Nord’s 30-day money-back guarantee! ✌

[@Snay1998]

Now if could please do how them resettable fuses work,I could google but I understand your explanation better lol

[@markholub97]

For future reference, you can buy argon in canisters as “wine preserver”. It comes in an aerosol can like whipped cream.

[@sunnymoney6165]

I hope he knows that he's basically doing are trying to build a light bulb 6:24

[@mrclasher1068]

Make Farnsworth fusor 🗿

[@batangfalconfiles1206]

5:51 btw what a nice laugh

[@SeriousApache]

When i worked as electrician, we had fuses filled with sand, exactly for the purpose to avoid arcs.

[@Sad_cat_studio]

i think he is doing the fail on purpose, he is smarter than this.

[@nobody7817]

I've never seen that--makes sense though. Must have been extremely high voltage fuses...

[@dcallan812]

@@nobody7817 All fuses that are used in UK plug's must have sand in them to be legal.

[@xxs1lentk1ller30]

No

[@Kalvinjj]

Yep, the ceramic fuses we see inside multimeters are a classic example.

[@mrmimeisfunny]

I think the reason the spring fuse worked well is because you don't need the wire to completely disconnect or melt for it to work. All you need is the wire to sublimate enough for the tension of the spring to be able to tear the wire apart. You won't get much arching because the wire goes in a split second from a short to a significant gap. I think the spring just retracted in the flash as opposed to completely disappearing. That's also probably why there's no residue where the spring used to be. Only where the wire used to be.

[@zuthalsoraniz6764]

If you go through frame by frame, you can see the wire just glowing a dull red before the flash as (presumably) the heat just weakened it enough for the spring to pull it apart

[@TimRrstrm]

Could be that the fuse is also pressurised, given the arcing behaviour in the vacuum chamber. A small glass cylinder like that should be able to withstand several bars of overpressure.

[@lazymass]

@@zuthalsoraniz6764 yes, exactly

[@anthoh5963]

Normaly the metal used for those whires creates the gas that's needed to stop the arc, combined with the tiny chamber it's enough to play his fuse role. For the fuses tjat are filled with sand it creates a different gas that has not worked has well as those, but because it was filled with a solid it was enough too. The only problem with the last ones was that it could get wet so they wasent that effiscient and precise has the first ones was. NB: my english can be aproximative, that's normal ^^'

[@nikitaelizarov7444]

I think Mehdi needs a high speed camera. Smarter every day has at least one. Mehdi, get a sponsorship from Phantom.

[@leventefoldi703]

9:05 best mouspad ever

[@AQI11A]

That cracked me up, when I first noticed it. 😂

[@jetnipatMahawang]

​@@AQI11A me too😂

[@jackboi_]

1:25 POV: you understand what you did wrong in your exam after getting it back (you still failed)

[@3.11.7]

Subscribe my KZbin channel please

[@CrappyCanadianContent]

Electroboom making a fuse seems oddly ironic

[@foxplayz2030]

Giggity goo

[@amanfrom2034]

The fuses were fused

[@christianhumer3084]

Ionic

[@CanadianBakin42O]

How did you comment 11 hours ago my fellow Canadian? Edit: It's Patreon.

[@sketckek]

How did you comment before the video even came out??!! It shows video uploaded 22 min ago and you commented 11 hr ago

[@SodaTheProto]

1:04 "One of them has killed me once before" So he HAS died, gotta wonder how he keeps coming back to life

[@KT-pv3kl]

electric shocks ....

[@rawberto8282]

lol@@KT-pv3kl

[@rezajavadi7350]

Almost...

[@RASTA_MAN-679]

I think he dies and then is put into charging to bring him back to life

[@brianwhitelaw3298]

Full bridge Medhifier. 🤣

[@lathryx]

7:46 "I put my oven parts in my cookie box."

[@tylerpontius7377]

0:25 *sniffs for fire dammage*

[@michaelmoorrees3585]

In the power industry they use sulfur hexafluoride (SF6) gas in special arc quenching circuit breakers. Often there's a special mechanism, to open a gas valve as the breaker opens up, to basically blow the arc out. I remember seeing one in action, in "power lab", back in school, when getting my EE degree (1980s). Power lab was scary, as much of the gear was the size of van, with high power resistors that actually glowed under normal operation. Syncing up the large synchronous machine (could work as both generator or motor) just before connecting it to the 3 phase grid, was always a tad sphincter puckering !

[@ZoonCrypticon]

Very interesting !

[@adrianfurgol]

Are you sure you're not confusing things? As far as I know, there is arc extinction with compressed air, which blows air onto the contacts, blowing the arc away, therefore cooling it down and extinguishing it. SF6 Breakers by itself are different because of the good isolating properties of the gas, but these curcuit breakers are enclosed inside gas-tight housings which are filled with SF6 Gas. It's really fascinating to see the size difference between air-isolated and SF6-isolated switchgear. SF6 gear is wayyyy smaller.

[@cheaterman49]

So, deep voice gas stops electric fires? Very nice :-)

[@timschulz9563]

The industry is transitioning away from SF6 as there are probably environmental regulations on the horizon. Some companies now use a mixture of pure oxygen and nitrogen.

[@shandrio]

"sphincter puckering"! LOL

[@andrewparker318]

This felt like a fun old fashioned Electroboom video! More of these please!

[@RobertoTRL]

Agreed 👍💯

[@alexk4247]

👍

[@ludvigspiderman504]

5:50 that laugh was legendary😂

[@CauseOfBSOD]

6:22 sulfur hexafluoride is what is used in a lot of high-voltage electrical equipment as an arc suppressant. its also like the opposite of helium (if you breathe it in, it stays there and makes your voice a lot deeper, but don't try this since it stays there and can asphyxiate you if you are not careful). ive seen warnings about it on the doors of some rooms with electrical equipment around where i live.

[@PostTraumaticChessDisorder]

I believe plain old CO2 does the job also

[@Maxylium]

0:04 dude probably has more PTSD than a Vietnam war general

[@lonely_7891]

0:16

[@TylerTMG]

​@@lonely_7891hairdryer vid

[@hedgehog3180]

I mean the generals specifically did not do much fighting.

[@lumpenstein]

Video Idea: Build a deadman foot switch that you have to keep pressed in order to get mains voltage whenever you are doing something with the MW transformer. In case of an accident like with the Jacobs ladder it could safe your life :)

[@John-oo9bu]

That's a great idea 👍 The one hand rule is another lifesaver.

[@TheArachnoBot]

​@@John-oo9bu yup but that doesn't always work when having to react to something quickly ( like a Jacob's ladder falling on you :D )

[@MichaelRBaron]

​@@John-oo9buone hand is a good rule, but when dealing with over 600v it won't always save your bacon. Insulation has a breakdown point.

[@John-oo9bu]

@@MichaelRBaron Actually, the worst shock I've had was through insulation. My other hand was in my back pocket, not on the grounded work bench. I was only 14 and very lucky.

[@truthsRsung]

That's probably Way Cheaper than getting Married and Having Children. In that home, there is always someone within arms reach of the Breaker Box, guaranteed.

[@ClearLampOil]

Whats gonna get this guy first? A: Radiation poisoning B: Electricity C: PTSD

[@Piano_Board]

electricity 100%

[@libbyb3006]

all of the above probably

[@Imraan120]

None bro is the goat

[@Potatoincanada201]

D: setting his shorts on fire and fusing himself with his shorts 😂😂💀

[@Potatoincanada201]

@@libbyb3006I agree 😂😂💀

[@NullCyan]

5:50 goofy ahh laugh

[@suyogacharya1038]

😂

[@jimsvideos7201]

Gases for arc suppression: Aircraft piston engine magnetos were pressurized with air to a few tens of PSI for better performance at high altitude. Portable industrial x-ray tubes are pressurized with SF6 to around 50 PSI to suppress arcing from tens of kilovolts of potential. Happy holidays, Mehdi.

[@drkastenbrot]

regular fuses dont use any special gas and arent actually sealed. sf6 would improve performance (increasing the rating of a small fuse), but it is expensive and adds complexity of sealing the fuse. the lack of a seal also helps release pressure in a overcurrent event.

[@mernokallat645]

Use metric like the civilized world does. PSI is bullshit.

[@mernokallat645]

X-ray tubes are under a hard vacuum, not pressurized.

[@Gurgena_]

Ive been your subscriber since 2018 and im proud to say you showed me what i liked, your videos connected me to electrical engineering which is now my profession. Im currently working at the Gas Compression Site as an Electrical Engineer. Thank you Mehdi! I was enjoying your videos so much and im still enjoying it! KEEP UP THE GOOD WORK. You are the reason of who i am right now!

[@sclearDevelopment]

Please find a safer mentor. Not all of us are immune to electricity.

[@SirMo]

@@sclearDevelopment The whole point of Mehdi's mishaps is for safety education. I mean if you don't get it, you probably have no business being in this profession anyway.

[@sclearDevelopment]

@@SirMo I am just joking dude

[@tlhIngan]

High voltage circuit breakers at substations often have the contacts in SF6 (sulfur hexafluoride) which quenches arcs. High voltage fuses usually use sand or likely similar gas to quench the arc. There are sophisticated gas monitoring systems to ensure warnings if the gas runs low as if it get critical, the breaker will open while there is still gas available to quench.

[@tomozex]

Regarding gas inside the 5kV fuse, you could try and excite the gas inside this 5kV fuse with one of your coils and see if it is a noble gas by colour.

[@coastersaga]

I didn't think that a 5 kV fuse would blow at just 2 kV

[@nebula8763]

@@coastersaga it blew because of the current. the voltage rating is just to stop arcing after it blows

[@d4slaimless]

It might be SF6.

[@mernokallat645]

Noble gases are easily turned into plasma. You need a heavy molecule like SF6 for insulation.

[@danek_hren]

​@@d4slaimless isn't SF⁶ solid? 🤨

[@texasaggiegigsem]

Some fuses use explosive charges to separate the conductors quickly. They're commonly used on pole transformer fuses...loud too.

[@lztx]

I had one of them blow on the pole opposite my house once. Certainly when they blow they BLOW!

[@happygarage6310]

Some cars have a small ignitor, like in an airbag, on the main battery cable. BMW does it often. If a crash is severe enough, the airbag module will open the main battery circuit.

[@indianboy0453]

Well that explains when the power company came out to diagnose our street power line (underground), the fuses would blow up sounding like fireworks. A bad pad mounted transformer was the cause, but the techs went through 3 fuses just trying everything before getting the new transformer. One of the transfer boxes was in my backyard. Was pretty cool to help the dude dig in the ground and help alleviate his work.

[@oxichimaruxo1528]

I'm a substation Electrician for the power company in PA. There is absolutely no explosives that I am aware of. You are hearing the arc as the fuse burns open and a spring pulls the bottom of the fuse wire out of the tube.

[@cambridgemart2075]

@@oxichimaruxo1528 Big Clive dismantled an explosive disconnecting fuse, so they do exist. He also set it off, nearly deafening himself.

[@Talik13]

4:18 "And we turn it on oh SH**"

[@Wntrdtz]

1:20 the "EUUGHH" Had me dying😂😂😂

[@patrik2749]

4:24 bro just made a rocket Integza would be proud

[@l.merbecks8144]

9:10 nice mousepad…

[@LolLol-uc5on]

so good youll never need to charge the mouse again

[@elektronikkondensator8835]

This guy is the only person on the planet who can die more than one time...🤣🤣🤣

[@EatGameSleepRepeat56]

he just has a totem of undying

[@RODALCO2007]

Good demo, Most HV fuses in ring main units (RMU's) have fine sand in them. The fuse element(s) are wrapped around a ceramic former and an explosive discharge which operates a striker pin at the fuse cap and trips the tripping mechanism, after the fuse element has failed, so all three phases are de-energized when one fuse fails. DDO's drop out fuses, the fuse element is held under tension by a spring which aids the separation of the melted fuse element. Also the tube vents out and blows out the remains of the failed fuse when the very loud explosion occurs under fault conditions.

[@silverfox1754]

Medhi using his transformer as his mousepad is just genius😂

[@MoisesPadilla]

Funny as hell. He needs to declare that is dangerous asap.

[@Getoffmychannelorsubscribeong]

Fr

[@Walter14920]

3:48 mehdi trying to realize what just happened

[@TehKillerB]

I just realized why I love ElectroBOOM so much. It is the perfect intersection of two loves: the 90's sitcom Home Improvement, and engineering. Medhi is just a much smarter, Iranian-Canadian Tim Allen. "More power!"

[@Jonodrew1286]

Also some glass fuses for purely hobby purposes can be repaired - using super fine wire - they are usually soldered to the end caps - they blow just as fast - the ceramic fuses are more robust and filled with silica like mentioned on this post before - using the wrong fuse is very interesting - and the reason for protective heat-Shrink or a plastic enclosure is probably protection against fragmentation of the case - I had a non - repaired standard fuse I used on a HV project that literally exploded into pieces…

[@amikadm]

In France, we have sand in some fuses because when the wires melt, they're hot so the sand melt into glass and glass isolates the circuit. And if there is more arcs, then more heat is created so more sans is melted to glass that results in more insulation.

[@ThePoxun]

The same in the UK. All British Standard compliant mains voltage cartridge fuses have sand. Sadly there days there are a lot of dodgy products coming from other countries that don;t have the sand and don't properly blow.

[@marisakirisame867]

Yeah cuz they want to cut cost

[@phobos1963]

Isnt anything more conductive than air ?

[@hedgehog3180]

@@phobos1963 No tons of things are less conductive than air, mostly because fire is a thing that y'know can happen with air and fire is a plasma so it's extremely conductive.

[@PlasmaChannel]

How these high voltage fuses work, is remarkable. Mechanical combined with destructive. Nice video boomsie. So, you say you want a stronger transformer huh? 😉

[@ThylineTheGay]

Boomstie

[@FBIAGENT95103]

1:21 the moment of silence when he sets his house on fire

[@sandbox2094]

This guy never disappoints.

[@greenad1993]

4:33 forbidden vape

[@UriahStuff]

vapes should already be forbidden. But yeah, this is a lot worse than vapes already are.

[@kavinraj9466]

Hahahaha l😂

[@thygate]

@5:00 ElectroBOOM reinvents the incandescent light-bulb ;)

[@RiCKY-zt3tl]

X-ray Light-bulb

[@Burb2]

Bro barley started the intro and burned himself 😂

[@masonfisher5643]

Thank u I learned alot from this always wonder why the fuse from my microwave had a spring to it and I dont know if it was just one of the microwaves but it had a separate fuse that ran from the transformer to the mains

[@John-oo9bu]

Sulfur hexafluoride is good for quenching arcs. And it would be hilarious to hear Mehdi's voice after inhaling it 😂

[@marco23p]

SF6 is also a reaaaaaalllyyyy bad greenhouse gas. Don't let it out into the atmosphere, seriously.

[@marisakirisame867]

Yes but my SF6 gasss just escaped

[@Similas]

I wonder how SF6 could get into the atmosphere to cause green house effect being so heavy? I think it would rather sink into the ground… In fact it is used in high voltage installations as an arc quenching agent, especially in fuses

[@awareqwx]

​@@SimilasGasses don't quite work the same way liquids do. Since the gas molecules are bouncing around more or less freely without any sort of intermolecular forces holding the particles together they can readily diffuse into each other and even really heavy gasses can go fairly high up into the atmosphere. This is a good thing for us, since otherwise the bottom few hundred feet of the atmosphere would be relatively pure argon with the oxygen floating on top of it and we would have nothing to breathe.

[@gg-gn3re]

@@awareqwx they do behave pretty similar to each other in fluid dynamics. Since gas molecular forces are so much weaker wind simply moves them around far greater

[@Thesignalpath]

Surprised that sand-filled fuses did not make an appearance.

[@BranzyYT]

4:24 that bottle had a Tacobell for sure! 😂

[@rickyricardo4331]

"And one of these has killed me once before..." I absolutely and TOTALLY believe that. 😆😂😆

[@Pants4096]

Arc quenching is a fascinating topic. One of those british or australian electronics youtubers did a teardown of circuit breakers and showed some of the purely geometrical design elements used to encourage arcs to die quickly. Interesting stuff!

[@mathias6369]

please link said video

[@katrinabryce]

@@mathias6369 Australian, I'm guessing would be EEVBlog. British, there's a few different ones.

[@ohanneskamerkoseyan3157]

@@mathias6369 I think it was photonicinduction's video: kzbin.info/www/bejne/jXLLopJ3aaqVoac

[@douggiles7647]

I feel like you might be talking about Big Clive but I believe he's Scottish, I could be mistaken though.

[@emmanuelr6698]

Pretty sure it's Big Clive indeed

[@VistaViews]

7:27 this is why in higher amp glass tube fuses they would commonly use a crimped metal piece, or even an actual spring, so when it failed, spring tension would cause the pieces to move away from each other.

[@jeramiecooper1913]

Thank you for this. I've designed a few 15kV and 27kV fuses. If you can film at 20k fps the arc formation an extinguish looks cool.

[@xxxquariangaming6579]

I completely forgot about these videos since 2020 and HES STILL ELECTROCUTING HIMSELF you sir deserve a subscribe!

[@imrane206]

6:36 **Disappear**

[@CollectiveSoftware]

I love this rediscovery of fusing and arc arresting from first principles by just trying stuff and then fixing each problem as it happens

[@SDT-im2ztbggg]

I absolutely love how Mehdi uses the MOT as a mouse pad. Just brilliant. Protect this man at all costs :)

[@smoothbrain92]

EB: "Alright, we all know what a fuse is" Me, nerviously: "Haha. y-yeahhhh!"

[@glitch4771]

4:22 best led I've ever seen

[@309electronics5]

Even has fire coming out the end like a jet engine. Multipurpose device!

[@nusermane1076]

3:53 that’s a premium eyebrow-tracking shot right there 😍

[@nullbeyondo]

LMFAO

[@taboosaboo]

I am seriously impressed by the breakapart method anti arc fuse

[@wtfpwnz0red]

In the words of William Osman, "welcome to the world of high voltage, where everything is a wire and you're probably going to die."

[@EnbyEnvy]

Wait, if he died from the Jacob's ladder video then who is this, unless.... Mecha-Mehdi!?! He must feed off of all the shocks!

[@masteradvance]

Probably one of the other Mehdis took over.... maybe that was his plan all along.....

[@Chef_PC]

Clone.

[@personzorz]

He died and was immediately frankensteined back to life by the electricity

[@309electronics5]

Its mehdi-clone-007

[@LerRhann]

The eyebrow grows extra hair and he respawns stronger.

[@qxpxv]

Could you make a video explaining in-depth what admittance, immittance, susceptance and impedance is?

[@Luka-td4qr]

For my transformer (4,2kV capable of delivering 3,6A constant) i had homemade glass fuses, but was getting tired of them blowing often due to my experiments, so i made HV breakers. basically a spring loaded knife switch held in place by a piece of metal that gets pulled out of the way by an electromagnet. the trigger is a simple current transformer with some controls (on the primary to not have to work with HV current transformer stuff :) ) That is nice, since now i can just reset them with levers. I also made some risidual current transformers for the "human protection" on 4,2kV but that is a whole other story... By the way, i love your videos! Especially the ones featuring HV stuff

[@pawesrokosz3217]

5:02 The relationship between pressure, gap length and breakdown voltage for electric arc is actually quite interesting and it's formulated in Paschen's law (en.wikipedia.org/wiki/Paschen%27s_law ). When the pressure is too low, there are not enough gas molecules to ionize and make an arc. On the other hand, when pressure is too high, electrons have too many collisions with molecules and they're losing too much energy to maintain an arc. So partial air vacuum was an optimal condition, as we have seen on the video. Thanks @ElectroBOOM for showing that!

[@astrogerard]

And don't forget that AC and DC behave very different when using fuses and breakers. Breaking DC is a complete separate story.

[@HerrJaeger64]

How so?

[@astrogerard]

@@HerrJaeger64 Breaking a DC (Direct Current) is often considered more challenging than breaking an AC (Alternating Current) due to fundamental differences in the nature of these currents. Arc Formation: When a DC circuit is interrupted, it creates a sustained arc between the contacts due to the continuous flow of current. This arc can be very difficult to extinguish because the current remains at a constant level. This sustained arc can damage the switch contacts and other components involved in breaking the circuit. In AC circuits: AC naturally passes through zero volts 100 or 120 times per second (depending on the frequency - 50Hz or 60Hz). This zero crossing makes it easier to interrupt because the current naturally decreases to zero, allowing for the arc to extinguish more readily.

[@deltab9768]

@@HerrJaeger64AC has a pulse of current in one direction, which then reduces to zero and then you get a pulse in the other direction. That change happens 100+ times per second for normal mains. Arcs often go out during that brief moment where the current falls to zero. Direct current leaves a relatively constant amount of voltage and current so the arc is less likely to go out.

[@cisarvialpando7412]

#Electroboom please tell us if this is correct or not

[@deltab9768]

@@cisarvialpando7412 here’s my video of how DC arcs behave vs AC. kzbin.info/www/bejne/apTZp5eQfM-DqpYsi=_BtDuH94KEaNvQAz I’d love it if Electroboom did one too since he’d 100% do a better job explaining it.

[@Kepler_2258]

Some fuses actually have gases inside them, I got a couple of those old screw type fuses that were blown and I wanted to test it if since they have that view port they would make a good mini arc bulb, and the arc actually jumped and gave off different colors depending on the fuse, one had a yellow arc in it, I think another had a purplish red, so that was interesting

[@MrClean-ep7uc]

Could be argon

[@Kepler_2258]

@@MrClean-ep7uc argon could Be a part of the mixture of gases in it, but it’s not pure argon if it has that in them, because argon glows a purplish color under high voltage/low pressure

[@mamborambo1]

thank you @electroboom for making knowledge about electricity more reachable to everyone. you are doing good work

[@roundedspec]

Wow, I didn’t know mister bean got into electronics!

[@user-uu6sf6eo1q]

Bro☠️☠️☠️💀💀💀

[@Sembazuru]

Are you sure that the spring vaporized? It may have retracted fully inside the end-cap. I would expect the spring to have a higher current capacity than the fusible element. Also, many high amperage industrial fuses pack sand around the fusible element for arc quenching. I'm not sure if that would also work for high voltage. Sounds like another experiment. (Though the sand will block the view of the camera so it might not be as visually interesting.)

[@bosstowndynamics5488]

Bigclive did a video tearing apart some high voltage fuses including some that used sand, didn't blow them iirc but interesting to see the construction regardless

[@Sembazuru]

@@bosstowndynamics5488 I resisted saying "high voltage" when talking about these fuses. There are many flavors of high voltage. The fuses that I'm familiar with are several hundred volts. Definitely "high voltage" compared to Arduinos. (Or normal US residential wall voltage...) But not the "high voltage" in the kV range that Medhi is playing with. I don't recall what flavor of "high voltage" BigClive's fuses were. All I'm saying is be careful of your terminology...

[@mikethor009]

More exquisite ZAPs. Keep them coming! Wonder if Mehdi will ever build something like his van de graaf generator or his high voltage wand?

[@Horrorgameralex_Yt]

how to hell did you get 14 hours HOW if the video on 5m but how

[@kaurpajula2731]

​@@Horrorgameralex_Ythe's a premium member

[@AliFareedMC]

​@@kaurpajula2731 *Patreon Subscriber you can get early access to his videos before he releass them publicly

[@stepanstepanov]

This guy lives in Vancouver and I saw him once not far from my house, he was busy so I didn’t ask him to photo with him. Im from Russia and live in Canada, for me seeing the western youtuber is quite rare event, plus he is the only one who Id like to take photos with and respect for bringing knowledge and joy

[@laughingman3777]

I'm just here for the thick Persian accent

[@DanBurgaud]

So true about springs in HV fuses. Fuses used in the transmission lines *are* spring loaded, inside a cylinder filled with glass-sand, which melts during a short.

[@h2official628]

Fuses for 50-500vac, in France at least but I think it's the same all over Europe, contain sand, which helps dissipate the arc energy and then the glass created adds insulation to the fuse. On the other hand, you're right about one thing: manufacturers use argon gas, or others depending on the patents I imagine, to create their "cutting chamber" in high-voltage and high-current circuit-breakers, and probably in "big" fuses too. Great video as usual!

[@joshuameredith4602]

This is the KZbinr that does dangerous electrical experiments so we don’t have to

[@qetuow]

7:55 Cookie box filled with tools and components and stuff you might need one day. That was a staple of any good homestead back in the 80s. 😅

[@luismarcilio]

8:42 - Where are the Slomo Guys????

[@techyustad]

Bro used soap water for demonstration 03:43

[@feint2168]

Never knew why fuses had voltage ratings thanks for the content

[@johnschmid7785]

4:23 - He didn't make a fuse, he made a light bulb! 🤣

[@AarishRaja-kj8ic]

The fart rocket 😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂

[@BrAiNeeBug]

Some high-current fuses are filled with Silicasand, the sand melts and blocks the flow.

[@ryujinkondoragon]

I like your SUPERHIGHVOLTAJE Mouse pad.

[@Catplayingtrumpet]

electro boom is what youtube thinks will happen if you dont say "dont try this at home."

[@doublard4185]

I am currently doing a thesis on discharges and more specifically on Paschen's law. This empirical law makes it possible to predict the breakdown voltage (the minimum voltage to trigger a discharge) of a gas as a function of different parameters. We usually express the breakdown voltage as a function of the product of the pressure and the distance between the electrodes (p.d). Observations show that the breakdown voltage admits a minimum for a certain value p.d, it is therefore "easy" to trigger arcs. Thus, to maintain this optimal value, when the pressure decreases, the gap must increase, which is why it is possible to make large arcs in partial vacuum.

[@kibaskys]

Beautiful explanation. Filming a fuse melting with a slow-motion camera would be even more exciting though. It can be shocking how slow-mo videos can reach arcross a wider audience :)

[@brianwhitelaw3298]

@4:29 should have been the thumbnail. 🤣

[@Szan303]

3:35 he realy wants to die 💀💀💀

[@somerandomdudemc6201]

I have my High school physics finals tomorrow and I am proud to say that you are the one who has taught me most of the concepts. Thank you sir :)

[@renocence]

Your warning that occurred around minute one; thank you. Your delivery and production of stuff is brilliant.

[@rickyh2896]

I'm sure you've seen the fuses they use on (at least in the US) power lines? They have gun powder in them and an expansion piston so as the fuse blows it ignites the gun powder pushing the contacts far apart to quench the arc! Seems right up your alley to build....

[@EvanPrentice]

Please do something on the drop fuses used in high voltage. They're pretty interesting, and it's really hard to find anything that properly explains their function.

[@Arjun-jc8ji]

8:58 if you use nitrogen to fill the fuse tube it will work because nitrogen act as noble gas under normal atmospheric condition, that's why nitrogen is used in the filament bulbs because it will prevent the oxidation

[@hedgehog3180]

It's more accurate to say that dinitrogen is an inert gas, spliting it requires the Haber-Bosch process which is basically only done in huge industrial plants.

[@SirenRecordingsofIowa]

How do you manage to teach us things while being absolutely hilarious!? 😂

[@309electronics5]

Yay! New video! You are always explaining so well while combining some humor and smart staged tricks for entertainment! Oh do i wish schools would make their lessons this exciting but they wont

[@309electronics5]

​@DontReadMyProfileverPicture.273 sigh..... Another npc comment

[@Captain_439TheUseless-vb7oh]

Chaotic Neutral Electrician

[@iplay664]

0:03 "I think I'm getting PTSD" Yeah, makes sense

[@liamleclaire]

I'm always so happy when he uploads.

[@bihanduaken]

14 hours ago.. WHAT?

[@gallium-gonzollium]

Likely patreon early access.

[@nick8231]

On your power lines the fuse cut out works on the same principle there's always tension on the fuse link

[@NuclearFisher]

After two previous videos I've been waiting for the high voltage fuse. And finally it's here! Just use a spring to break an arc!

[@CPUDOCTHE1]

I have used 32V automotive fuses for 120 V. It does tend to crack the glass when they blow. On the fuse wired that you had the did not burn immediately, if you cut the fuse wire and soldered it together, when the solder melted the wires would separate more quickly.

[@effeffe9]

The reason why the arc was bigger in partial vacuum is because air conductivity has a maximum at about 10mbar, to then drop below conductivity at standard pressure. In detector applications, we usually wait to pump out until 0.1-1mbar before biasing detectors because of this

[@robertbackhaus8911]

Interestingly, this is something that RocketLab discovered a few months ago. At least, discovered how it applied to their electrically-powered rockets in some obscure circumstances. When the second stage started up, a large arc happened somewhere in the system, shutting it down. Maybe a switch enclosure that normally just happened to contain air developed a leak this time, and bled down to a low enough pressure for an arc to form. Their fix was to add a small nitrogen bottle to the second stage, and keep the electrical systems at a known pressure. Their return to flight earlier this week went off flawlessly.

[@michaelsheen7404]

This is also why airplane electronics have very different isolation requirement than electonics on the ground.

[@nemtudom5074]

4:10 Putting it on a cardboard box wasnt a good idea either

[@_find_fake_content]

Inspired from you i try to rectify the fake content and try to explain the fact , to reduce the junk. Thank you Mehdi for such videos.😊

[@amongthemo.o]

9:24 THE OUTRO we expected 😊