The US electrical system is not 120V

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It's more than 120V. It's even more than the other 120V! It is the sum of the two (and sometimes a different two!) that makes us who we are. Learn about the US electrical system in this not-at-all snarky video!
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21 июн 2020

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Комментарии : 23 тыс.

@TechnologyConnections 3 года назад

One of these days I'll tidy up that wire... A minor note; the thing about 208 being 86.7% isn't right for simple resistive loads like heating elements. You'll actually only get 75% the heat on 208! Power (watts) goes up with the square of the voltage. But, if something is designed specifically for 208, you can pull up to 86.7% what you could on 240 with the same amperage.

@caperdoodle 3 года назад

One day or day one.

@ceralor 3 года назад

Me to my DIY outdoor sensor wiring too.

@kylefox6115 3 года назад

Your neutral and ground wires are not looking to (current) code: 1. There are spots where two wires are under one screw. 2. The neutral and ground are not separated (yeah, I know, they are the same potential, but the code says they need to be separated... for reasons.). But the panel probably predates those changes. PS: Wear your electricians gloves when working on a live panel... including just poking at it with a meter.

@ChrisCaramia 3 года назад

The two wires under one screw is a definite no-no. In my area, however, both neutral and ground must be bonded to the box. It is ridiculous, but that is what the inspector demands.

@TheEDFLegacy 3 года назад

One day? Shocking.

@theslowmoguys 3 года назад

Sometimes when I watch these videos I feel like you’re attacking me personally.

@TechnologyConnections 3 года назад

Only with the kettles :)

@theslowmoguys 3 года назад

Technology Connections 😂

@dalleth 3 года назад

Shhh... You're one of us now.

@Gary-Goodridge 3 года назад

@@richkurtz6053 no good for tea.

@revengejr 3 года назад

@@richkurtz6053 or an electric powered instant hot tap by the kitchen sink. A tiny electric water heater lives under my sink and keep the water just below boiling. Holds enough for 5 or 6 cups of hot water. All on 120v

@artiefischel2579 3 года назад

"This building is a single family home..." "Honey, did you hear that? Is someone downstairs?"

@MarkLoves2Fly 3 года назад

:D LOL

@silverhawkroman 3 года назад

That's a Tim and Eric skit in the making

@atzuras 3 года назад

oh he's the guy who took our laserdisk, our beta vcr and the old microwaves oven.

@robertcuminale1212 3 года назад

It must be a huge house according to that circuit panel and the number of breakers.

@KingdaToro 3 года назад

@@robertcuminale1212 Not necessarily. Newer code requires a lot more dedicated circuits than older code, and if he's got a bunch of 240v stuff (furnace, dryer, stove, water heater, car charger) it'll fill up fast.

@Kevins-Philippine-Retirement Год назад

I am a retired electrical engineer and I will tell you this: Your explanations are very clear and concise. Thank you. I am glad I found. Your channel and have subscribed 😊

@larrymaloney877 Год назад

I take it you graduated last in your class.

@larrymaloney877 10 месяцев назад

must be a title, not a degree.

@elhsgiuloigtn 10 месяцев назад

@@larrymaloney877he’s retired

@MattH-wg7ou 9 месяцев назад

@@larrymaloney877wtf? Why the hostilities?

@MattH-wg7ou 9 месяцев назад

As a retired [wizard]. Fixed it for you. Electrical stuff has always been confusing to me for some reason.

@coreykeesler7014 11 месяцев назад

As an American commercial electrician 15 years I usually steer very clear of videos like this for fear of yelling expletives at my screen because so many people just get so much wrong. BUT you sir have nailed it this is the best starting explanation video for basic electricity you never let me down keep up the good work also I’ll try not to be so pedantic about the 110-120 thing but it does drive me nuts especially seeing as how I’m most homes a voltage of 110 puts you above the range for allowable voltage drop (read inefficiency/dangerous)

@Shonicheck 5 месяцев назад

One of the reasons i like this channel so much - he tries to be as close to the truth as possible and do that while being as clear as possible and in most easy to digest way possible.

@werpu12 4 месяца назад

Tell that to europe, we have real 230 v here in the outlets... and no it is not dangerous and inefficient! Well current always is dangerous even at 110 but also there are security measures in place every installation needs to have to keep people alive!

@hughleyton693 3 месяца назад

What do you think has been nailed. ? . . . Not the energy down wires being carried int he E & M Fields.. . Derek is very wrong there.. . The Energy is in the moving ?Electrons INSIDE the wires.

@MattH-wg7ou 3 месяца назад

@@hughleyton693 what? Can you try that again?

@TriCon3 2 месяца назад

@@hughleyton693 You're thinking of Veritasium, go yell at him instead 😅

@OLITION 3 года назад

Technology Connections is the only place I go to learn about current events

@alenasenie6928 3 года назад

Well, depending your age you can go to the university next

@alio2269 3 года назад

👉🏾🚪

@cat-.- 3 года назад

Lmao

@menacegallagher7334 3 года назад

How does it feel to be the worst person alive?

@eliindy3851 3 года назад

Dad award 🥇

@surferdude4487 3 года назад

When I heard that 60HZ hum, I thought, "Wow! Does this guy have a sub-station in his basement or are all of those breakers in desperate need of replacement?".

@pulsefel9210 2 года назад

i lived down the road from a substation...that was right next to a park and YMCA. always a constant hum even half a mile way. now that i dont live anywhere near one i find the quiet of night to be unsettling.

@rayh966 2 года назад

He fucked up and they're both in phase, so the hum is doubled.

@masheroz 2 года назад

@@pulsefel9210 I've got high voltage power lines near my house. You can hear them when you go outside.

@DanTDMJace 2 года назад

@@masheroz yes, same

@MarkARoutt 2 года назад

@@pulsefel9210 okay, so... Does this town happen to love Halloween?

@talpalababa5994 Год назад

Actually in Germany we typically have 3 phase power to our home. This means you have 3 powelines, 120° appart and one ground. Depending on how you connect these between eachother or to ground you get either 380V or three times 240V. Bigger machines like washing machines, driers, ovens etc. use the 380V three phase power. Other smaller machines, connected to the normal outlets, use the 240V single phase power. Usually the fuses for the main lines are 63A for each phase. There are other breakers like 125A, but these are not so common in normal households. Hosehold machines thypically have lines with 16A breakers. Bigger industrial machines use 32A lines ore less commonly 63A.

@chris_3729 10 месяцев назад

Yeah that's true for the most part but the voltages are 230V and 230VxSQR(3)=400V Fun fact the "normal" 230V plug is only rated for 10A consistently but u can still pull 16A for a short periode Greetings from an electrical engineer from Germany

@hughleyton693 8 месяцев назад

In Germany, the 3-phase is 400V. . . . Which naturally gives 230V Single-phase. . . ( For Americans, Single-phase is a SINGLE live line and Neutral. ) . . Not like their 2- phase 120/240V which is TWO Live lines and Neutral.

@tawnyforest7932 8 месяцев назад

The US 3-phase electrical wires carry 480V at 60HZ but usually only commercial and industrial uses get that much. But none of this matters. Everyone gets what they need which is the point of his video.

@hughleyton693 8 месяцев назад

@@tawnyforest7932 No they don't in America, that is what I am getting at . .. You cant get 120/240V directly from a 3-phase supply. . . From 3-phase, you can get 240/140V nasty for 120V loads. . . Or you can get 208/120V nasty for 240V loads.

@drfisheye 7 месяцев назад

Do you really use 3 phase power for washing machines in Germany? Most run just fine on 10A / 240V single phase. Your fuses are also pretty big at 63A. In the Netherlands we usually get 3 x 25A. More amps are possible, but at much higher monthly network charges.

@meenki347 Год назад

I like the way that you talk to the viewer like they're 3-year-old kids. And lots of great, on topic information without being condescending.

@billy00001 3 года назад

I've occasionally wondered what a national power grid would look like if you could start again from scratch using current technology. No backwards compatibility, no infrastructure limitations, no analog TVs to sync.

@DeviantOllam 3 года назад

It would be heaven

@jeremyloveslinux 3 года назад

400v /230v three phase seems to be pretty good. Decent L-N voltage, high three phase voltage.

@Steets 3 года назад

Oh, it would be so worth it to resurrect Tesla right now, somebody get on that.

@avalonhamakei 3 года назад

DC everything, please.

@PaulMansfield 3 года назад

It used to be that you'd want higher frequency mains allowing smaller transformers etc, but now that switch mode supplies are the norm, that doesn't matter. Still, I'd probably go to 100Hz. Why three phase, why not four? --edit, fixed weird autocorrect

@Taylorphotostudio 3 года назад

"We're just going to ignore three-phase for right now" *Angry entertainment electrician noises*

@TheEDFLegacy 3 года назад

Right?! XD

@fisqual 3 года назад

3 phase is best!!

@SupremeRuleroftheWorld 3 года назад

more like all europeans. my entire country has 25A 240v 3 phase in the home.

@KuraIthys 3 года назад

@@SupremeRuleroftheWorld my studio flat in the UK only had 2 phase power. But I'm sure the building as a whole had 3 phase. (since the usual approach is to split different pairs of 2 out of 3 phases to multiple buildings/units to balance the load on the 3 phase supply system.) Not sure what Australia is using, but I'd be surprised if it isn't also either 3 or 2 phase power to most homes...

@loulou53137 3 года назад

@@SupremeRuleroftheWorld yep even when individual houses are single phase as in the uk. We usually have one large 3 phase transformer per street.

@DumA2034 11 месяцев назад

As an electrician, I appreciate you and your humor. Found your channel a bit ago, and im going through your old videos. Its a gold mine of terrible jokes and education. Thank you for your service:)

@silversonic1 8 месяцев назад

When I was a kid, my little brother decided to drop a penny behind the outlet cover in his room. It was an old 120 2-prong receptacle and that penny fell in just the right way to bridge the gap, my family was all surprised when we screamed. I'm not sure why, but I was the one who ran out, through the living room and kitchen to get to the breaker box. Being 10, I just turned everything off as quickly as I could. Needless to say, my dad pulled out the remains of the penny while replacing the outlet and it proved to be a good lesson to all of us. My dad doesn't neglect electrical repairs these days. Though I don't know why he never did anything about the one power switch in a place we lived in for a year that almost always shocked us. Well, actually I do. My dad was in terrible mental health during that time, so it took a lot out of him just to provide for us. He and my mom had split because of it, which honestly just made things worse, but that's all a different story. The electrical system in the US isn't something you should play around with. Thankfully I know some electricians, so I know who to call to help me. Also, I checked my panel. 100amp @ 240v. I figured, being a manufactured, single wide home. I think I'll save up and get my electrical system reworked, though. The place is about 30 years old and I would like to make sure it's all up to code.

@macedindu829 3 года назад

"But first, a quick reminder of what transformers do: they're more than meets the eye." Well memed, sir.

@stephensnell1379 2 года назад

Don't be dumb it's not a meme it's a real day video

@evanknight3629 2 года назад

@@stephensnell1379 Are you a transformer??

@CorwinPatrick 2 года назад

@@stephensnell1379 Star Scream thinks so too..

@jjbarajas5341 2 года назад

Good meme

@Graeme_Lastname 2 года назад

@Jeff Desert Mountains 250KV goes wherever it wants. :)

@usmcvet0313 3 года назад

"I'm showing you mine, so you don't need to see yours." - Technology Connections 2020

@ketas 3 года назад

so you can be fat and don't need mirror to see it

@marcmakes1725 3 года назад

That should be on a shirt of sticker.

@cezarcatalin1406 3 года назад

Dirty... I like it

@y0uCantHandle 3 года назад

My dad said this to me when I was young

@posadist681 3 года назад

@@y0uCantHandle I'm 24 and he stills says it to me 😳

@41A2E 10 месяцев назад

I went to tech school for HVAC, and I was never really taught the difference between 208/240. Even my super awesome, smart, one-of-a-kind electrical instructor never really mentioned it(I learned a lot of other really valuable stuff from him though, and particularly have a better working knowledge of how motors work than most of the HVAC techs I work with, thanks to him) I had no idea that 208v was from 120v-3 phase. In my (limited) experience I've pretty much only worked with 240v-3 phase or split-phase120/240v and only ran across 208v once or twice, and had no clue why it was different. Thank you sir, I've learned something new today! Been watching your videos for a long time.

@k5sss 19 дней назад

What he doesn’t mention is that 120/208 is usually produced by stepping down a 277/480 utility feed. Commercial/industrial customers often use 480 for motors and 277 for lighting.

@MegaZeta 5 дней назад

@@k5sss What he doesn’t mention is an infinitely large set

@nw4042 Год назад

Came home from a day of low voltage distribution design, saw the title here (working on a primary voltage conversion job, swapping out 50 odd transformers with all the end-user voltages you can make) and just wanted to see where you were going with that. Love the video, man. Keep it up!

@danieljennerman7549 3 года назад

If people were confused by gas clothes dryers you should do a video on gas powered refrigerators. That'll blow some minds.

@pauljs75 3 года назад

That involves finding some place out in the middle of nowhere or perhaps having access to an RV motor-home.

@flagmichael 3 года назад

When I was a kid in Iran (1960) we had a kerosene powered refrigerator. Dad had to relight the flame occasionally. I learned the refrigerator used an ammonia absorption cycle... a bit beyond my 8 year old brain.

@Fopenplop 3 года назад

But.... gas make things hot.......

@alexejgossen6994 3 года назад

yeah that took me a while to understand how an absorber fridge works, it blew my mind a little bit

@LordZordid 3 года назад

Mmmm. I love the smell of Freon in the morning.

@AldrinAlbano 3 года назад

As a veteran US Navy Electronics Technician, your presentation, disclaimers and warnings are so ACCURATE!! Great JOB!! Thank you.

@TechGorilla1987 3 года назад

Orlando boot and BE&E school in San Diego. Came out of boot in 87.

@tjwatts100 3 года назад

His British wiring knowledge is spot on too. 👍👍👍

@Lambda_Ovine 2 года назад

That's among the coolest titles I've ever heard

@AldrinAlbano 2 года назад

@@Lambda_Ovine LOL!! Not sure if you're joking.. but yeah the Navy does have cool titles to brag about amongs ourselves ;)

@AldrinAlbano 2 года назад

@Kevin Tewey Kindly illuminate your opinion for the world, Sir!

@PendelSteven Год назад

Personally I love that we in (mainland) Europe use E/F plugs. While technically F is the Shuko-plug, you'll find that many electrical devices and powercubes and -bricks accept both E (found as (older) French, Belgian, Tunesian and somehow Slovakian outlets) and F. The diffence is in grounding:: E adds a third plug, F has the grounding on the side. Both sides, so you can put the plug in upside down or not. And two plugs is simpler to plug in than three. All in all, I love our Schuko-system. And that also means we use Type C if grounding is not needed. Handy for, well, you find these still on 'boomboxes'.Or gameconsoles. Audioequipment. And your tv. But your computer is connected via Schuko, aka F. Thanks for the video! Now I know how good it is! ❤

@plazmaguy13yago9 5 месяцев назад

ahh yes the type f plug most notably known for being cut out and replaced by type h plug

@szaszm_ 5 месяцев назад

@@plazmaguy13yago9 is it? I'm from Hungary, and the two main types of plugs I see and use are Europlugs and Schuko/Type F (or lately CEE 7/7). The sockets are all type F / Schuko, except in old houses where there are still some ungrounded type C sockets.

@czechgop7631 2 месяца назад

Guess the type E in Slovakia is from when Czechoslovakia was still a thing, because it's a standard in Czechia as well

@jeanpierrelabonte2868 10 месяцев назад

I’m glad to have seen your speech. For 32 years my dad worked for Hydro-Quebec The electric company in our province. I loved your simple explanations on voltage amp Wattage,transformers. In Quebec we also have 120-240 voltage and are still naming that 110-220.

@gabmaia23 3 года назад

"To those of you in europe this looks horribly gross and terribly unsafe" Laughs in brazilian

@fabioguedes4872 3 года назад

I remember being a Kid having lessons about how electricity is dangerous and stuff... Here in Minas Gerais we still have TV ads from our electricity company warning about that kind of stuff... And maybe because of that I studied and got a Electronics Engineering degree today :) (Not that I have any use for it these days lol )

@chrismorse3862 3 года назад

Do yall just do the jumper cables off the pole? That's how it goes in Panama

@justanotherperson4939 3 года назад

And our president still wants to Go back to the old plugs that are even worse. Like, for fucks sake Bolsonaro, dont you have better things to do?

@glock4455 3 года назад

Laughs in 50A electric shower

@pvtpain66k 3 года назад

"Hue hue hue hue hue"

@kobalt_ren01 3 года назад

"Like a lil' furnace. But tumbly" is a brilliant phrase

@jamesc4999 3 года назад

Yep, it is still weird though

@richw3215 3 года назад

@@jamesc4999 We have homes that are still heated with oil (kerosene) fueled furnaces as well. Which to me is even more strange.

@stitchfinger7678 3 года назад

@@jamesc4999 I dont see how an appliance consuming power AND gas is weird. That's how water heaters work! And gas stoves!

@PosranaRegistrace 3 года назад

What could possibly go wrong?

@ty2010 3 года назад

@@PosranaRegistrace Surprisingly little with all the flame sensors and other safeties.

@surferdude642 Год назад

I think you did a good job explaining this. While it's common knowledge to electricians and savvy diy'ers, most homeowners could learn something here.

@steveinoz8188 9 месяцев назад

In Australia, we use 3 phase systems but they aren't by default installed in houses: they are usually restricted to commercial buildings. We also use Residual Current Devices in our switchboards for all the power circuits - to prevent electrical shocks. It doesn't look like they are used in the US.

@markmontagna7637 5 месяцев назад

We use them but they are at the outlet not the panel and electrical code only requires them in rooms close to water sources like bathrooms and kitchens

@oldschooldude8370 4 месяца назад

A ground fault? Outdoor circuits, kitchen & garage.

@mannye 3 года назад

I can feel his frustration at having to explain the difference between "safer" and "safe." LOL

@vibingwithvinyl 3 года назад

I think "less dangerous" would've been more accurate.

@kainpwnsu 3 года назад

It's almost as if he's deflecting a veritable library of comments on that topic. ;)

@TheShizzlemop 3 года назад

@@vibingwithvinyl it certainly does sound better in a sentence relating to high voltage current

@RicoElectrico 3 года назад

I see stuff like this in Techmoan videos as well. Why not just get over the fact some of his viewers are retards? Someone will _always_ complain. Both Alec and Matt would make it more pleasant for sane viewers to just ignore the vocal minority. The funny thing is, I never saw the complaints they refer to.

@ryanmitcham5522 3 года назад

@@RicoElectrico I'm not sure I agree. His moans about stupid complaints are themselves entertaining to watch.

@damionlee7658 3 года назад

That ending fun rant was hilarious (I'm a Brit). Maybe one day we can all get together internationally and produce an IEEE standard for electricity distribution. Based on the age old model of identifying all the best bits given by the available systems, and then implementing the worst bits instead...

@FeNite8 3 года назад

Not gonna lie. You had me in the first half

@glee21012 3 года назад

UK has those big ass plugs

@Rick-vm8bl 3 года назад

The best standard would be a compact version of the UK plug, ditching the switch, keeping the rcd and fuse in plug, keeping 230v, etc

@garfieldtkat 3 года назад

50 or 60hz, one will've to die

@garfieldtkat 3 года назад

you can't throw a pair of dime at the american plug

@lidge1994 Год назад

Can't watch your videos when I'm tired as they're too calm, but when I'm wide awake and interested, I love finding a new one of them to enjoy and learn! :D

@gtgene Год назад

First off your presentation is informing and entertaining. It did cover a lot I missed or forgot. We are not only coping, but improving in the plug/socket area. Plugs now have that rim to keep the fingers away from the prongs. Appliances are double-insulated and wall adapters by design won't let you anywhere near the prongs. Then again accidentally coming in contact with 120V is the best safety teacher if you live through it.😊

@SKyrim190 3 года назад

"I don't know why you are so afraid of electricity!" Me: _laughs in Brazilian electric showers_

@TheLuxkywalker 3 года назад

Seeing the bus bars in the switchboard made me laugh too

@rafaceschin1 3 года назад

Stand on tip toes, use palm of your hand, and pray...

@alphaascii 3 года назад

I still install my own showers in Brazil, and every time, i get scared as hell when i am going to test them.

@SKyrim190 3 года назад

@@TheLuxkywalker I've never done any personal maintenance in a switchboard, so I don't know how they are like. But electric showers, man, they are just a resistor that turns up when you pass water through them.

@charlesball6519 3 года назад

So those replace the water heater?

@KentHambrock 3 года назад

In this video: The RU-vid's most beloved pedant tells people to stop being pedantic.

@purplegill10 3 года назад

This might be my favorite techcon comment ever

@katiefincher2433 3 года назад

RU-vid's most beloved pedant is, as usual, incorrect.

@foxpup 3 года назад

That's because it's his job. He gaciously does it for us so we don't have to. :-)

@TheChipmunk2008 3 года назад

He is deliberately incorrect to make it intelligible to people. I think he's being stupid about the sarcasm about plugs. US plugs are actually fecking LETHAL And he's wrong about the 240 vs 120 shocks. Both are equally lethal.

@hankadelicflash 3 года назад

So of I want 240 for a welder I just need to put in a double breaker and run that to the welder?? I assumed it was more complicated than that.

@njlauren Год назад

Awesome video, I knew about the 240v service and how you wire a 240v circuit but it never dawned on me that the two busses were 180 degrees apart, thus 240v potential.

@Crainke Год назад

Just wanted to say thanks for explaining the difference between 3 phase and split phase service. I’ve watched a number of videos and your 30 seconds of this video summed it up for me quickly. Thanks!

@codyfedeler2915 3 года назад

lmao the last couple minutes where you're just going off is 10/10

@artcamera5514 3 года назад

That was spot on. Those uppity foreigners need to shut up and stay in their lane. We don't give a rat's ass what they think.

@OneVerySadPanda 3 года назад

I laughed so loud just now finishing the video. Like some sort of crackhead at 3:30 in the morning.

@bradskis81 2 года назад

@@artcamera5514 True. I travel the world for work, and using plugs all over the place, I can appreciate the smaller form factor of North American style plugs. The UK bricks, forget about trying to plug in more than one or two chargers in most cases. Australia, same thing. And the massive size of those plugs, you damn near need another suitcase to carry them around. EU two pronged- never know if any given combination of plug and outlet will fit together to make a connection, and they always just flop around loosely and fall out, usually have to get a stack of books or something to support the adapters or plug ends. And the switches on outlets.. no labels usually so it's a guessing game of flipping everything on and off to try to figure it out, let alone accidentally bumping them or setting something on them and shutting off the power.

@mrmerlin6287 3 года назад

UK residents have learned after stepping on plugs to leave them in their respective sockets and just flick the switch.

@compzac 3 года назад

That is just one thing about the square pin plug i wish we had, the ability to switch an outlet at the outlet itself. But i think what people forget is that the american BI plug is older. A lot of other plug standards had the ability to learn from previous plug failings. We didnt really have that chance and since compatibility is a thing we just kinda got stuck with it only modernizing little bits like polarizing the plug with the neutral being bigger and adding the circular ground pin, as an option wheras the square pin a ground lug is required to operate the safety shutters in the plug even if its just a fake pin of plastic, and really the bi pin could be made better by shoving a bit of plastic on the end of the pins and making the recepticle make contact on the tip of the pins, that way compatibility is kept for older plugs but newer plugs are safer, the fact that our pins are to close your fingers could also be negated by making the plug a bit bigger with a more pronounced shield, but like I said its a standard weve had for a while and since japan and china also use the bi pin for residential appliances its not gonna change anytime soon.

@georgeprout42 3 года назад

Our UK plugs and sockets are designed to last for millions of connection/disconnection cycles and still have a switch to discourage wear. Every US hotel I've stayed in, the plug falls out if you walk past too quickly. But for non-UK (or Ireland, Oman, or any of the other 50+ countries using IEC type G) imagine standing on Lego. We're immune to that as the plug is much, much worse.

@mrmerlin6287 3 года назад

@@JorgTheElder We rarely buy portable fans as it's just not that warm here to warrant them, and anybody who does buy one realises that they're probably only useful in June and then that's when it's not drastically cool outside due to freak rain storms. After then our small houses are just cluttered by useless appliances and get thrown up in the attic and forgotten about.

@ChaosTherum 3 года назад

@@georgeprout42 I've never had an issue with plugs not holding unless it was a cheap plug the sockets tend to stay fine as long as you have a modern high quality plug.

@userPrehistoricman 3 года назад

Meanwhile, there's basically no such thing as a UK plug that is loose. There are simply none made that badly.

@AVJunk Год назад

Fantastic! I'm traveling in Australia from Canada and am perplexed by the outlet switches! Thank you for mentioning that!! Also, I've definitely learned a bit more about our power grid back home in North America. Thanks for an awesome video!

@mikejosef2470 9 месяцев назад

We like 'em. To us, the idea that the only way to disconnect something from the supply is to pull the plug seems weird. If the socket is located underneath/behind a TV cabinet, fridge etc., plugging it back in can be difficult. For the nearly immeasurably low cost of having a switch, you get another way to disconnect the power other than the plug or the circuit breaker.

@russellc3251 2 месяца назад

@@mikejosef2470 so you have no way to turn stuff off other than pulling the plug or the switch on the outlet?

@cooperlittlehales6268 Месяц назад

@@russellc3251 no 95% of things still have an off button, it's just easier for larger things like appliances that don't have an obvious off button on them like fridges and the like. Plus it feels safer than just unplugging something.

@frankgulla2335 6 месяцев назад

What an educational and entertaining video about the US domestic electrical system. Thank you. I knew some of this but your summary made it all make sense.

@literallycanadian 3 года назад

You know this is really just a great example of engineers solving safety hazards through different methods. When analyzing hazards you got two scales, likelyhood of injury, and severity of injury. In america, we decided to tackle the severity part, dropping the voltage and making it less likely to kill you as easily. In britian they tackled the likelyhood part, designing better plugs, leakage current detectors, ect. In both places they felt that these considerations brough the hazard level down to a point that was acceptable and moved on with their lives, not thinking about it much more after that.

@eleftheriaithanatos1162 2 года назад

Then you have Brazil: even in the 220V parts of the country, electric showers are mostly ungrounded, and we use exactly the same plug both for 127V and 220V.

@lal12 2 года назад

Not necessarily true. In Europe you have 230V on one phase yes, but pretty much any house has 3 phases coming in, so you can use 380V for higher power devices or for devices like a motor which needs it to function anyway. So using the US system is not really applicable for Europe anyway. Those 3 Phases have the same safety advantages the split phase system has. Besides I would argue that the severity of injury is not that highly reduced by 120AC, since the things that make AC dangerous are the frequency which the heart still can react to and the body having a lower impedance than ohmic resistance, which means AC can more easily pass through it than DC. So decreasing the likelyhood of injury is the only sensible way to go here.

@eleftheriaithanatos1162 2 года назад

@@lal12 In the UK and Ireland it's not really common to have 3-phase in a household. Neither is it in Australia or NZ (230V@50Hz, just like Europe). I hear the same happens in France and the Netherlands, though I may be wrong. Also, they get far less amps, which means that even in Germany, where 3-phase supply is commonplace in households, the maximum power is lower than in America. That, of course, comes at the expense of having to spend a little more on wires, but the cost is marginal relative to the cost of a house. Having three-phase for households has many advantages though, but they are related more to the possibility of running more efficient motors (3-Phase Air Conditioners, for example, are becoming very common here in Brazil for residential use, where three-phase supply is quite common for homes, though not ubiquitous as in Germany). Now, 120VAC is unquestionably safer than 230VAC. Your resistance doesn't change when you are closer to a 230V outlet. U = RI. Hence, the current going through your body IS nearly twice, which means a much worse shock. The higher the current, the higher the risk.

@lamonde515 2 года назад

💯

@SamsonOng 2 года назад

You deserve an upvote bro. Very great amicable summary of the situation here (compared to whatever argument to which is better)

@brenatevi 3 года назад

"To Europeans this looks horribly dangerous. That's OK, we're coping." You have the best lines.

@MustNotContainSpaces 3 года назад

Having seen into his fuse box, I would say that his lines are actually pretty bad...

@vezokpiraka 3 года назад

Holy fuck, he wasn't kidding. That looks more than horribly dangerous.

@F3Ibane 3 года назад

@@vezokpiraka Only if you're fiddle-farting around in the service panel with the cover off. Something he explicitly said *not* to do. Try to keep up, pal.

@leerman22 3 года назад

@@vezokpiraka OK, the neutrals look like a rat's nest, but those are neutrals :P

@Artemis0713 3 года назад

@hawkturkey I mean. Our wires rlly aren't that thin tho? I'm not entirely sure where you'd have gotten that idea? And even then our actual breaker panels are way better designed

@RetroRockGamer 10 месяцев назад

I've been in the electrical distribution business for about 15 years and this video taught me more than any work training.

@paulb4496 Год назад

I was a home products service (Major Appliance) repairman for 27 years and have been shocked hundreds of times. One day while repairing a Microwave oven the charge in the capacitor stopped my heart. The room went dark. Fortunately the sudden fall to the floor re-started my heart. Rubber gloves is always a good idea around electrical circuits...Great video!

@Martyz-TV Год назад

That is crazy!! Did you know that an 240 AC jolt can make your heart stop even hours after? You should go to hospital to be monitored after getting a shock. Lucky man!!

@l0k048 Год назад

@@Martyz-TV these capacitors are rated up to 3000 volts, much higher voltage

@viewer00 3 года назад

"I'm showing you mine, so you don't have to see yours." - Put that on a Tee.

@Skraeling1000 3 года назад

And we had a similar sentence at home today - daughter was watching me play a flight sim, and told my wife "He's got his landing gear out." Umm...

@YanTran 3 года назад

Are we not doing phrasing anymore?

@Veylon 3 года назад

On the subject of weird gas dryers, I'd love to see you cover gas fridges.

@jakeaurod 3 года назад

or gas air conditioners

@kabj06 3 года назад

My RV has one. No clue how it works lol

@drewcipher896 3 года назад

Those are really niche and normal [electric] fridges are much cheaper to operate.

@davidcastillo1340 3 года назад

or gassy people

@DrFreeeman 3 года назад

@@kabj06 en.wikipedia.org/wiki/Absorption_refrigerator

@derrickymilo 6 месяцев назад

This was one of the best explanations I've ever heard of the standard US breaker box. Bravo sir!

@Clynikal 9 месяцев назад

Great video. RCD or MCBO are now mandatory on every single circuit in Australia. I’ll never be convinced electricity isn’t a big deal.

@KarldorisLambley 8 месяцев назад

why would some person suggest to you that " electricity isn’t a big deal.". i am utterly baffled? does this happen a lot in Australia?

@Steets 3 года назад

I could listen to Alec ranting about electricity for hours on end.

@jhsteddy 3 года назад

I was waiting for when he would say "Where did you get that dress? And those shoes and that coat..."

@toferj7441 3 года назад

Same. Haha!!

@FirestoneFilm 3 года назад

obsoleteUbiquity or the perfect toaster! 😂

@charlottevixen9222 3 года назад

same

@robspiess 3 года назад

Steets, your thumbnail animates, but as far as I can tell RU-vid doesn't support animated thumbnails. Is that visible anywhere?

@BrendanOrr 3 года назад

The snark level of this video increased exponentially at the end....I love it.

@bm1747 3 года назад

Of all the people, I did not expect HIM to go "full American." I'm dying 🤣

@tygonmaster 3 года назад

@@bm1747 Sometimes you need to go full American to explain why nannystater comments are dumb.

@calcubite9298 4 месяца назад

i watched that whole end rant and I am in awe. Give 'em hell, Tech Connections!

@WakeSheepleUp Год назад

This is the best video on electricity I have ever seen. Such a good explanation of voltage and amperage that explains more than most electricians know

@BarbarianGod 3 года назад

*laughs in 3 phase, 30A × ?, 240V electricity* In all seriousness tho, this is quite informative and has cleared up a lot of things I was wondering about when it comes to US electrical systems

@Pentti_Hilkuri 3 года назад

We laugh in minimum 380V 3PH 16A in our houses. Most often in 25A.

@arienh4 3 года назад

@@Pentti_Hilkuri 16A is actually really low… in order to be selective that means you can only run 10A circuit breakers. I'd hope you get 25A minimum.

@jeandelafuente1 3 года назад

@@arienh4 AT my country most houses have 20A inlet which then is only split intro "lights" and "sockets" lol At least we got current leak protection onto the system. Chile btw 220v

@Demonslayer20111 3 года назад

@Cr0Lar I mean we can get three phase installed. A lot of people have 3 phase in thier sheds or garages for things like mills and lathes

@Alienking01 3 года назад

Most houses in Germany have 3 phase 240V 50A or 63A . 100A is not as common but gets used too. It is common to have a "400V" 32A (5p CEE) outlet in the garage/workshop, the bigger garages/workshops will also have a "400V" 63A outlet. Gets used mostly for: air compressors,, grinding wheels, saws and welders I work in electric wholesale.

@Verlisify 3 года назад

why is the house angry

@MoparDan 3 года назад

The house is angry because it desperately needs a new roof.

@BG101UK 3 года назад

@@MoparDan Top-hinged slates/tiles/shingles maybe? So they can lift and let the pressure out during the experiments ..? This would prevent the roof from blowing away due to too much positive internal pressure.

@bleiglanz 3 года назад

First thing that came to my mind, too. The house looks fierce...

@EpicTyphlosionTV 3 года назад

Nobody likes you

@bartalbus 3 года назад

If someone connect you to grid you will be angry too or even shocked

@eoslensman Год назад

Great video. Plugs in the UK have a plastic peg finished with the copper contact at the end. When the copper is fully enclosed in the socket even if the plug isn't in all of the way only plastic is exposed so touching a live connection isn't possible. The Earth connector is fully copper as that needs to be stronger as it opens the shutters in the socket but as it doesn't (mostly) carry any voltage, touching it doesn't matter.

@13blackg Год назад

Glad you didn't run down the rabbit hole of the different types of 3 phase transformers (Y, Delta, corner grounded Delta)

@PendragonDaGreat 3 года назад

That rant at the end is perfect. I've got several Aussie friends and we get into that pretty often.

@Chlorate299 3 года назад

The switches on UK wall outlets are for people to turn things off at the wall in order to mildly annoy other members of the household.

@SeabooUsMultimedia 3 года назад

There's some outlets in the United States where it's like that it's just the power switches are usually next to light switches intend to get confused with them all the time because they are normal Power switches that are wired in between the breaker and the outlet. I knew somebody who had their Wi-Fi router on one and somebody turned off the light switch knocked out the internet for everyone in the house.

@stonedsavage7814 3 года назад

@WindowsLogic Productions the UK has flaps covering the neutral and live terminals so no its not for safety.

@adelsoftgmail 3 года назад

@@stonedsavage7814 It was when they were first designed. They've been kept because that's what people expect. Australia has automatically shuttered outlets (eref.se.com/au/en/clipsal/product-pdf/2025S-WE) as well, but not many houses use them. They'd be seen more frequently in child care centres. They're also a pain in the arse if you're using double insulated appliances in them, as they need an earth pin in order to actuate the shutter.

@TheRip72 3 года назад

& for those with timer adapters plugged in, to annoy me after I've set them correctly!

@cousin_JACK Год назад

Glad I watched, had no clue the volts running through my POE cameras so high. I have taken off countless panel covers on homes when I worked as a site surveyor for Solar City. Electric knowledge is amazing when you truly begin to understand how it works- great video even made me laugh

@StrawDragon Год назад

If you think that is high... You should see the voltage of your pots phone line when ringing :)

@avinandandas 7 месяцев назад

@@frankgay5595POTS phone lines run AC when ringing at about 100 V RMS 20 Hz

@anon7631 9 месяцев назад

When my apartment building has power issues, it's usually just one phase affected rather than a total outage, so I'll end up with major appliances and half my lights or outlets not working, while the other half are fine. I knew that that state was usually referred to as having lost or blown a phase, but the demonstration of the breaker panel and its busbar in particular made it a lot clearer what that actually means. The video also explains why it takes forever for my stove/oven to heat up, which is not something I expected and had just attributed to it being a lousy unit.

@radishlive 3 года назад

"A quick reminder of what transformers do. They're more than meets the eye!" ******GROAN

@thrpins8430 3 года назад

This made me really happy

@bren1818 3 года назад

Took a moment for the joke to process

@anthonykaiser974 3 года назад

But that's not important right now 😂

@Froggability 3 года назад

80s joke.. Wahoo!

@JaingStarkiller92 3 года назад

@@Froggability I beg your pardon, Transformers are as cool today as they were 35 years ago, and I'm not desperately trying to hold on to my childhood at all.

@octane613 3 года назад

Jeez, that strong roast at the end was harsh, I love it.

@StephenElves 3 года назад

The thing is about the switches on sockets: wall warts, phone chargers, laptop chargers, etc. consume a not insignificant amount of power even when not charging/powering anything, and yer just unplug it, but wasn’t already covered that plugging in/unplugging can be a danger (before you get to wear and tear)? Yer I know the standard was created before wall warts were a thing (and actually you can buy sockets without switches here too).

@xmlthegreat 3 года назад

It wasn't a roast, it was whining in the face of a clearly superior solution. Switches on outlets FTW.

@JamieCrookes 3 года назад

Not a roast. Envy and jealousy at our clearly superior electrical system. Enjoy those sparking cables in the street too when the storm blows over the poles that carry it to your home. Ours; underground unless on pylons for long distance.

@jorgecardoso9597 6 месяцев назад

I really enjoyed how you explained this. Can't wait to see more of your videos!

@erichfeit7779 Год назад

Thank you for clearing up the misunderstanding. I'm an electrician in New Zealand and always heard America is 120 volts. Your explanations are very accurate. Erich from New Zealand 😁

@hughleyton693 3 месяца назад

The common American voltages are 120V, 208V, 240V, 277V & 480V. . . There are others, but these are the common ones found in homes and small offices and factories.. . . 120V is almost always Single-phase L-N .. . . 208V can be Single-phase, 2-phase L1-L2, or 3-phase L1-L2-L3. . . . . 240V can be Single-phase L-N, 2-phase L1-L2, or 3-phase L1-L2-L3. . . . . 120/240V is actually 2-phase, but the Americans will not call it that, it uses L1-N-L2. . . . 277V is almost always and only Single-phase, L-N. . . . 480V is almost always 3-phase L1-L2-L3... . But much of the rest of the world uses 230/400V That is 230V Single-phase L-N, or 400V 3-phase.. . 230V is the natural Single-phase from a 400V 3-phase 4-wire supply, L1-L2-L3-N

@nathanjasper512 Год назад

Fun story, I once accidentally dropped a nickel off the end of my bed and it fell on the two plug posts in that tiny gap between the plug and the outlet. I saw a huge flash of blue light a flame and puff of smoke. Luckily it tripped the breaker but when I found the nickel it was black had two slots melted into it about halfway down. The plug posts were melted pretty bad too. Kind of terrifying really. All because that plug just happened to be a couple millimeters away from the wall and that nickel just happened to perform a one in a million shot. I'm glad my apartment didn't burn down.

@hughleyton693 Год назад

That can't happen with UK Plugs, the pins are protected from such a short condition.

@Johnny.Fedora Год назад

That's one reason power outlets are often installed with the ground pin on top. But if your plug has no ground pin, it has no effect. I suppose power outlets could be installed landscape-style.

@hughleyton693 Год назад

@@Johnny.Fedora First, UK live pins can not be touched even by a nickel or knife blade, when they are in the Outlet far enough to actually be live, and that is without the Earth pin at the top further protecting, , , I believe all American installations since about 20 years ago, had to be 3-pin Outlets, OK, there are many 2-pin plugs still in use in America.. . . Actually I have always installed American double Outlets in landscape-style.

@Johnny.Fedora Год назад

@@hughleyton693, you are correct -- my post was U.S.-centric (and the electrical code has required AC sockets with ground (earth) pins for a lot more than 20 years).

@ToyKeeper 10 месяцев назад

Welp, that image is going to stick with me forever, any time I see a plug which is even slightly loose. I now have a newfound appreciation for "upside-down" grounded outlets with ground at the top.

@zevfarkas5120 3 года назад

Note how he does the voltage measurements with only one hand. Standard smart move to prevent his heart from being part of the circuit if he makes a mistake. (I'm sure someone else said this somewhere in the other 12000+ comments, but worth repeating...)

@SkyChaserCom 3 года назад

Thats very smart and safe in case there's a shock and avoids placing the heart and internal organs in the circuit.

@jonathanellis3169 3 года назад

Also always put right hand to danger. If you use left hand then a leak to earth via your feet will go near heart

@bensemusx 3 года назад

I noticed that too. At first I wondered why he was making it harder but then realized it contain the potential shock to just his had.

@Lapantouflemagic0 3 года назад

i actually never though about that, i thought he just didn't want to be blocking the camera too much.

@SmirnovSB 3 года назад

@@r.h.8754 That's why you always put a warning sign on a breaker and/or controls. A simple and effective safety measure your co-worker ignored. Another safety rule: you don't remove a sign if it's not placed by you.

@Jack-lr3dn 18 дней назад

the way he went off at the end was so insanely cathartic

@EDHCoffee Год назад

I have been on the internet for a very long time. This is one of the most interesting and informative videos I have ever watched.

@antontaylor4530 3 года назад

"A spark from inrush current won't hurt anything" Electroboom: "Hold my beer..."

@ogorangeduck 3 года назад

the guy who managed to blow up a UK plug next level

@Beakerbite 3 года назад

It doesn't hurt the device any more than a power outage would, but the spark can char the terminals.

@OxKing 3 года назад

I read this sentence as he actual spoke it, like a subtitle, lol.

@user-dj1hy6zc6q 3 года назад

I was surprised that he didn't mention his previous video where he showed the fact that there is a spark inside of the switch, so there will be a spark regardless.

@ericcartmann 3 года назад

It'll hurt a room full of hydrogen.

@camclarke567 3 года назад

I'm an electrician from Australia and I thoroughly enjoyed this video haha cheers mate

@razeezar 3 года назад

Greetings, fellow Aussie! I recently had a sparkie install a new oven in my kitchen. He also fitted an isolator switch in-line with the conduit which is required by law. However, with the oven installed in its recess in the kitchen cabinet, the switch ends up being concealed behind everything and is completely out of sight / reach. I suggested that he fit the switch to the wall outside of the cabinet where it would be accessible so that it can be turned off if necessary. But no, apparently he wasn't allowed to do that... The switch 'had' to be behind the oven specifically. Gotta love the nanny state. :o)

@dcaonoek 3 года назад

@@razeezar Im sorry mate but that is total bullshit and he needs to fix it as he has not followed the standards. The cooking appliance isolator needs to be within 2 meters but also easly accessable without reaching across the cooking surface. If you need to you can tell him to double check AS3000:2018 Section 4.7.1 If you have any issues with getting it resolved I suggest you call your state licencing registrar. I hope it is sorted for you. Peace.

@razeezar 3 года назад

@@dcaonoek Cheers Dane, I'll check that out.

@jackhewitt7902 3 года назад

razeezar Australia honestly seems like regulations gone mad.

@razeezar 3 года назад

It looks like section 4.7.1 pertains to open stove tops. I haven't found any specific info regarding an isolator required for built in ovens, but cursory reading of discussions on whirlpool indicate that an isolator is required for a stovetop but, confusingly, not for an oven. It'd be nice if the standards code stated this specifically either way!

@joedirtpig814 11 месяцев назад

I really appreciated the switched receptacle tangent you went on

@swinhudson4874 Год назад

I'm in Australia and we sometimes use your 240 work around to supply 480 volts. We use it if we don't have three phase supplied to our farms. I on the other hand live at the end of a SWER line, which gives me occasional power during storm season.

@vitaliygoldish1993 3 года назад

- Wait, it's all 240 volts? - Always has been

@ventilate4267 3 года назад

LOL

@dweaver28602 3 года назад

CaptainAmericaReference.gif

@vdfritzz 3 года назад

also it's all metric

@LavenderSystem69 3 года назад

@MegaJessness 3 года назад

"But first, a quick reminder of what transformers do. They're more than meets the eye." GOD DAMMIT! XD I love you and hate you for that joke lmao

@thomasr1051 3 года назад

Can't believe I missed that. Fucking love this guy

@pilcrow182 3 года назад

I didn't even catch it until I saw it written out. I facepalmed SO hard... :P

@trollmcclure1884 3 года назад

@Francis Hubert neither do I. Slap the nerds

@JohnathanAmrein 3 года назад

@Francis Hubert It's part of the transformers, cartoon theme song

@stevezpj 3 года назад

@Francis Hubert ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-nLS2N9mHWaw.html

@Erelyes Год назад

Great video and I learned something new today. To answer your argument about the pros/cons of having a power switch on the outlet itself instead of on the appliance - well, three things to consider: Firstly, it's better to have the switch design as part of the electrical outlet specification as it's a more reliable specification than whatever appliance manufacturers use. Second, it means you don't have the extra cost of installing a switch on every appliance, although to be honest a lot still do. And third, in the unlikely but possible scenario that you have a pet with the inclination to chew on things, a wall switch allows convenient isolating of the circuit without having to keep unplugging and plugging in the appliance every time you use it.

@CONSOLETRUTH2 Год назад

I've TURNED ON many friends to this channel whom are now very well CONMECTED. They always make sure to stay up to date and CURRENT as to the most recent video.Its awesome to see how AMP'D they get when a new video shows up. WATT can I say other than this channel is awesome and you will never get any RESISTANCE from me!!

@evindrews 3 года назад

the amount of shade in this video is incredible

@tygonmaster 3 года назад

Given the amount your average American gets from nannystaters a day, it does not even come close to balancing out.

@DC-ct8tv 3 года назад

Lineman here: very proud of his description, he clearly knows his stuff.

@JasonWD 3 года назад

Please say you are from Kansas.

@DC-ct8tv 3 года назад

@@JasonWD nope, Pennsylvania

@tomwors 3 года назад

Shouldn't your name be AC? DC lines? nonsense

@garcjr 3 года назад

Lineman, that's my goal. Congrats.

@DC-ct8tv 3 года назад

@@garcjr good luck, get your cdl class a and apply to the ibew

@EMAngel2718 10 месяцев назад

I love the way you caption your outtakes

@lrobbins2 9 месяцев назад

I hope this man is a teacher/professor. America needs you!

@SitriUvali 3 года назад

Technology Connections: "A quick reminder on what transformers do: They're more than meets the eye." Me: *grumbles while I look for the TC Patreon*

@Rob2 3 года назад

And over here they do not meet the eye in such an awful way! Transformers are housed in small brick buildings with a steel door, found on street corners usually. The cables are buried under the pavement, not strung along those awful poles.

@paulmichaelfreedman8334 3 года назад

@@Rob2 Underground is a lot more aesthetic, but a lot more hassle and costlier. Needs way more insulation, and way more armor for when those brainless waterworks dudes go digging and put their shovel into the power line.

@NoNameAtAll2 3 года назад

i don't get this

@Rob2 3 года назад

@@paulmichaelfreedman8334 That happens, but it does not appear to cause any problems apart from a blown fuse and donwtime on the power. On the other hand, we do not have power outages caused by a storm or blizzard...

@paulmichaelfreedman8334 3 года назад

@@Rob2 Agreed, it's more robust against the elements. Both have their perks and downs.

@deralmighty8011 3 года назад

Anyone else now want a shirt that says "Like a 'lil furnace, but tumbly." ?

@YayapLives 3 года назад

I was about to write a comment about how adorable that line was.

@OxKing 3 года назад

You're weird!

@robspiess 3 года назад

That runs on natrual (sic) gas. :)

@jayman4095 3 года назад

Yesssss!!!!

@gnarlycharlie4u 3 года назад

ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-1TqBSI8ZBzQ.html

@rezemika 5 месяцев назад

I studied electrical engineering in France, here we just have 230V in house. The transformers output three phases and a neutral, the neutral is grounded. Each house in a neighborhood is connected to one of the phases and to the neutral conductor, so we have 230V between neutral and a phase. For bigger installations (industries or big buildings), we have the three phases and neutral, so depending on how we make the connections, we can have 230V or 400V (between two phases) for each circuit. But 99% of our devices are made for 230V. It's really intersting to see how it works in other countries, so thank you so much for this video, and thanks to all other people posting details about theirs countries in comments! :) I'm also really surprised to see such big powers for a single house. My house has a 3kW subscription for two people, and here 3 to 6 kW is really enough for most houses/families, except for really big houses or for people using a lot of machine-tools...

@frankharr9466 Год назад

I knew some of that, but not enough of it and what I did know was from a very long time ago. Thank you.

@stillrabit73 3 года назад

Alec: *draws eyebrows on house* My smooth brain: haha house angery

@Porygonal64 3 года назад

no talk me angey

@matthewjohnson3610 3 года назад

The house is mad because it only has 120 volts :)

@sircompo 3 года назад

That rant at the end had me in stitches, and the info about the US electrical system was really interesting. Your videos never fail to educate and entertain.

@matthewjohnson3610 3 года назад

I'm trying to remember the last time I turned a power switch (Australia) on or off... it was probably when I moved into the house and plugged everything in. I never really thought about it, but maybe they are kinda pointless.

@shibolinemress8913 3 года назад

@@matthewjohnson3610 I'm wondering if they're there for child safety, or maybe if an outlet needs to be cleaned or worked on? (Just a layperson's guess, obviously.)

@somelokyguy6466 3 года назад

@@shibolinemress8913 I (Australian) turn off the switches if I'm leaving the house for more than about 5 days or if the socket is empty, a lot of electronics like TVs have standby modes that draw 1 or more watts, overall it's an unnoticeable difference but if say 1 million people are doing the same thing then it adds up. The main reason though is safety, given how cheaply made electronics are these days I don't want to risk going on holiday and have my phone charger shit the bed then burn the house down. Also on safety is like the US many of our wall plugs still have fully exposed pins that can shock you if the plug is only partially inserted.

@danem2215 3 года назад

My home has two outlets wired to a double switch panel next to the room's overhead light switch. You can just power on or off whatever's plugged into that outlet without having to reach down for it. It's way better, and I don't even think that was done for luxury's sake.

@drscopeify 2 года назад

@@matthewjohnson3610 Yeah it is really the appliances that needs to be efficient not the user and this is how it is today. Sure your phone charger uses a little over time but most things like screens, audio gear, kitchen appliances they all nicely conserve power when not in use. This is a more recent change though, I am guessing like since the year 2000 or so.

@FrenchmansFlats51 9 месяцев назад

good general description. My Electrical engineers description. the two 120v amplitude transformer output taps are 180 degrees or opposite phase. combining both phases adds to a 240 peak to peak voltage power line. this is why big air conditioners, water heaters, welders, etc just tap off the two (180 deg phase difference) hots on the rails, and sometimes dont bother with the neutral!

@GH-oi2jf 9 месяцев назад

AC voltage is expressed in RMS, not peak-to-peak. 240V RMS is 679V peak-to-peak.

@NigelMarston Год назад

UK resident here. Switches on sockets is crazy - whenever I've replaced any, I've replaced them with the non-switched type. They're freely available here. I don't know if there's "code" here which forces their installation by builders but as you can get non-switched ones from B&Q (retailer) I doubt it. The UK plug is quite ingenious. Aside from the fact that the cable exits parallel to the wall which makes for the "foot hazard" if left lying around unplugged, it also means you're less likely to be able to trip over a cable when it is plugged-in as it immediately falls downward. Or, if you do trip over a cable, then less likely to rip the plug out of the wall. And if you rip the cables out of the plug, the Earth cable will be the one pulled out last, so maintains the "safety" element. Also, the earth pin is longer, which opens the shrouds inside the sockets for Live and Neutral (which are normally closed to prying baby-sized fingers), and both Live and Neutral pins themselves are shrouded so that you cannot touch the contact point while it is actually connected to the supply while you are plugging one in (or unplugging). But yeah, they're a bastard if you tread on them and they are larger than most other countries' plugs. Ring mains circuits comes from the post-war era, and was a cost saving measure at the time. It was dressed-up as another safety mechanism but doesn't really hold water APART from the fact that you have two paths for earth which is a technical win... not sure how often it's tested in practice though. Plug-based fuses was originally intended to ensure no single device could draw more than the 13A max and therefore overload the ring, but these days they're irrelevant because, in the event of an overload, the plug fuse will not fail before the consumer board RCD trips anyway. Thanks for the video - it's a fascinating insight into the US system which has always baffled me. I actually wonder if we're due some regulations changes over here to accommodate the low-energy devices we are starting to see. My house is less than 2 years old so has LED wiring everywhere. Running that off 240V seems a bit odd and I wonder at what point (size of house/cable runs) you need to get to before a DC lighting system wasn't preferable.

@markman278 3 года назад

For anyone commenting on how “bad” his panel is, I’ve seen WAY worse when old buildings upgrade the circuits without upgrading the panels. My parents 97 year old home had so many wires in in before upgrading to a full 200 amp panel it was literally dangerous. Dual circuit breakers (yes they are real) WITH two wires in each circuit because there was just no room for more breakers being a 100 amp panel. Oh and nob and tube wiring which often was wired incorrectly and electrified the device instead of grounding it! In the US older homes can be an electrical fire waiting to happen.

@letsseewherethisgoes 3 года назад

Yeah I would consider his panel damn near pristine compared to.... well almost any house I've ever lived in. I mean, you can tell what runs where, it's labelled, wires run in logical lines! Mostly all installed in the last 50 years! No immediately obvious fire hazards! I would be downright pleased to have a panel that clean. I've lived in a house with 3 distinct generations of wiring systems - the original knob & tube with cotton sheathing, then some rubber-sheathed/cotton wrapped, then some 90's rubber sheathed/rubber wrapped, all fed haphazardly into a semi-recent 100A panel. You can tell that the skill of the person doing the wiring went down with each generation of wiring too - the original stuff was actually installed decently. The later stuff was a bloody nightmare. It's really common to see houses with a mix of Aluminum and Copper wiring, or with the original knob & tube running into the original fuse panel, which was unhooked and then fed from a 60A breaker on a new panel - leaving the old stuff as is and just installing anything new into the new main panel.

@Cyanide300 3 года назад

Yeah it honestly looks like a pretty normal 200 amp panel, just with more circuits than most single family homes have. I've seen MUCH worse wiring jobs. And honestly, how much does it even matter if the wiring in the panel is kinda messy? It's covered for a reason, and you shouldn't be messing with that shit unless you really know what you're doing anyway. In which case you'd probably know enough to kill the main before digging around in there.

@PunakiviAddikti 3 года назад

Oh yeah, because folks love to get electrocuted in the morning by touching their toaster.

@arienh4 3 года назад

@@real_joshua I'm very glad that according to NEN (Dutch DIN) the entire fuse box must be replaced to be up to code on any significant change.

@VexMage 3 года назад

In my panel everything is ground to the neutral lead, the house doesn't have a grounding rod. Yay 1920s electrical code (or lack thereof)!

@dangerousdoctrine 3 года назад

"Transformers are more than meets the eye". Solid. Also, props for using only one hand when measuring across the 240V at the top of the panel. SMART!

@travismason2811 3 года назад

Mentioned the one hand rule to a dude a while back and it turned into a whole thing about how much of an idiot I was for believing that, I grew up in an electronics classroom, my stepdad used to do TV repair on CRTs, one hand rule saves lives, sucks for my stepdad though he's left handed, the proper hand is the right to lessen the chance that it goes through your heart.

@knittinninja 3 года назад

@@travismason2811 Pardon my ignorance: who is the real idiot then? Is the one hand rule false?

@retroattic4647 3 года назад

I'm glad I checked for similar comments prior to posting mine. I had the same two observations. Covering WHY we do a one handed voltage check would be nice for another video!

@threynolds2 3 года назад

At first, I thought using one hand was more dangerous, too. If your dexterity isn't too good, you could cross the probes. But then I realized that if both hands came in contact with the contacts, you would have 240V, 120V, going from one had to the other, with your heart in the middle. With one hand the current flow would just be from one finger to the other. When I was young I grabbed both leads of a 120 circuit with both hands. It felt like somebody kicked me in the chest. I jumped back about six feet.

@TheReaverOfDarkness 3 года назад

@@travismason2811 Why would that lessen the chance it goes through your heart? I'm pretty sure that's not actually true.

@Nugglashine 3 месяца назад

This guy is so good at explaining stuff this has always confused me. Great presentation, Alec.

@strawberrypink. 4 месяца назад

15:55 that happened to me recently! i was trying to unplug our oven because we were replacing it and i grabbed the plug the wrong way. got a huge fright, but thankfully i was ok. i'm very thankful that nothing bad happened

@TomMarsh1010 2 года назад

I'm proud to say I've been shocked by 240UK and 120US. 240 hurt more. I have also stood on a UK plug. Being shocked by 120V hurts less than stepping on a UK plug (in the common case)... I don't think anyone has died from stepping on a plug, they just wish they had.

@TiagoAlmeidalive 2 года назад

Say no more, I've been shocked by 120AC, 240AC, 400AC and 570DC... Nothing in the whole world compares to stepping on a UK plug!! It's a horrible sensation!!

@johnburns4017 2 года назад

@@TiagoAlmeidalive I have never stepped on a UK plug ever. I know no one who has. I have had these around me all my life.

@protonneutron9046 2 года назад

@@johnburns4017 so?

@iamnormal8648 2 года назад

Avoiding electrical shocks is much easier and less costly than avoiding using more copper or aluminium to make thicker wires to carry more current in low voltage.

@johnburns4017 2 года назад

@@iamnormal8648 Also, fitting RCBOs and RCDs keeps people alive.

@norezenable 3 года назад

I miss a lot of important stuff when I'm busy laughing. The 60hz hum was too funny.

@lolilollolilol7773 2 года назад

It almost sounded like a photonicinduction video

@toastbawb Год назад

The code in canada is to mount the recepticals with the ground facing up and arc fault breakers in all rooms GFCI in anywhere close to the standing water (very generalized, the code is not general). This was a great video that helps clear up some misconceptions of electricity in North America. Thanks for making it!

@blainerussell1737 6 месяцев назад

Well here is BC Canada the code does NOT specify outlet orientatiin. Ground is most commonly down.

@fuckjewtube69 3 месяца назад

No it isn't there is no code for orientation of outlet grounds. Quick google search

@TheErwinalf Год назад

Haha, love the rant on UK switches on the plugs. They really are insane. Other fun fact that even less people know, the US split fase 240 power can also still be found in older area's in for instance the city of Amsterdam. (Netherlands) although this system is being fased out. (Pun intended) another fun fact, in the Netherlands we have something called pirilex. This also combines two circuit brakers. For example, an electric furnace will need 240V and about 16 Amps two run two plates. But a stove might have for plates. That makes a wiring with one neutral, two times a fase from two different brakers and an earth, thus four wires and even so interesting plug as the one you showed for the dryer. We also can opt for three fase. That's rather interesting. It will let you create 400 Volts. That way the four plates of the furnace can be powered at ones. But this comes with different breakers, and extra heavy power plugs. But, for safety, most "high consumers" carry an earth lead. So not just bathrooms and kitchens are secured for earth leakage. Every circuit in our modern standard house is secured.

@bioemiliano 3 года назад

"To those of you in europe this looks horribly gross and terribly unsafe" Laughs in hanging brakers

@cristiandone2837 3 года назад

It looks idiot proof. And should be. We still use fusible copper wire here

@brianmason9803 3 года назад

It makes a lot of sense where you have a huge variety of distribution situations. In the UK we have 3-phase, 440/240v (delta/star voltages). Most households are 240 unless a 440v is specially run for a workshop etc. I love 3-phase as on a 'star' connection, if you get all phases balanced out there is no return current and therefore no return current volt-drops. I think our choice of voltage goes back to wartimes when copper was in short supply. For the same reason our house power sockets are wired in a 'ring' format where the wiring comes back to the fuse board completing a ring for each conductor. Again, you can cut copper size for the same volt-drop. Nothing unsafe about your setup though, although you have to be careful you don't find a socket outlet connected between the two phases.

@shrimpfry880 3 года назад

Maybe not being idiotproof isn't a bad idea at all. I mean, natural selection should do its thing right?

@jonathanpalmer155 3 года назад

@@brianmason9803 Yes but our plugs are so much beefier to take the current at our disposal, rather than the thin little blades. Beside,stepping on one of our plugs with bare feet is just painful, their's must actually slice into the sole of the foot...

@ty2010 3 года назад

@@Alexander-jr8nw We have GFI, usually limited to individual lines in kitchen, bath and outdoors, mains are available but very rarely ever used.

@zmknox 3 года назад

What Transformers Do: “They’re more than meets the eye”

@KaceyGreen 3 года назад

🤣 Came here for this, started typing the same and saw you did

@KaceyGreen 3 года назад

Goodness when he is about to open the panel, I think this is one reason I watch all of these all the way through

@supersonictumbleweed 3 года назад

I hope no transformer meets my eye. EVER

@GGoAwayy 3 года назад

More than meets the I (current)

@sortofsmarter 3 года назад

So I'm not the only one that thought he missed a opportunity to wear a Autobot shirt..lol

@gregmckinley5178 Год назад

On a main panel with a main breaker in it you can connect the neutral and ground wires on the same buss. You have to separate the neutral and ground wires on a sub panel or after the main breaker if that is located on the outside of your building. Make sure to remove the green bonding screw in the sub panel.

@oSTYNCLSYo 9 месяцев назад

One of my favorite videos on RU-vid.

@GeFeldz 3 года назад

"Hey, why don't you guys have 400 volt three-phase power?" he teased while giggling.

@matthewpepperl 3 года назад

because who the hell needs 400 volt power at home :)

@martinpejchar9011 3 года назад

@@matthewpepperl many people

@Sebazzz1991 3 года назад

Our electric (and induction) stoves run at 240V. Our cars charge from multi-phase power. Some air conditioning devices.

@leafbelly 3 года назад

@@martinpejchar9011 Well, gee, I wonder how the U.S. has survived so long without 400V!??! (i.e. You may want to rethink the term "needs." How about using "wants" instead?)

@matthewpepperl 3 года назад

@@martinpejchar9011 please enlighten me i am genuinely curious what 400v is good for at home :)

@drloko4013 3 года назад

My grandfather died in the AC/DC Wars; he was Thunderstruck.

@FastBowtie388 3 года назад

That joke was a touch too much.....

@NatureOkie 3 года назад

LOL

@1S1KStealth 3 года назад

such a shocking sense of humor

@sujimtangerines 3 года назад

On the Highway to Hell?

@TheAllMightyGodofCod 3 года назад

@@sujimtangerines no, shockingly it was on electric avenue...

@LaurenGlenn Год назад

On that switch near the outlet: they sell mini devices at Amazon to cut power selectively which I use on things that don't have switches on them. For things like a blender, they do have an off switch but once I had a blender that had a trace of liquid that slid into the buttons (or had some electrical issue with it). One day I was sitting at the other side of the room, the blender just started sparking... if I had that switch by the outlet, I could've ensured no power went to it. Fortunately I was home.