Switches are Clicky; Here's Why

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  • Published: 12 August 2019
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    Click clack I was taken aback. Wonderin’ ‘bout those switches of light, yeah.
    Let’s find out what the point is of all that clacking, shall we?

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Comments • 3 594

  • Ryan Ator
    Ryan Ator  9 minutes back

    I really admire the amount of effort you put into the production of your videos, you even go as far to make subtitles and as someone who watches everything with subs if it's available i appreciate that a lot, thanks for making such interesting content man.

    • Mike Dench
      Mike Dench  36 minutes back

      That was interesting even though I thought I knew the answer to start with. Which I did but hadn't ever really taken a good look at the innards of a switch

      • John Wascavage
        John Wascavage  53 minutes back

        What about mercury switches?

        • cal mccullen
          cal mccullen  2 hours back

          very fun vid, thank you.

          • Michal Nemecek
            Michal Nemecek  4 hours back

            I don't understand how you can make a 15 minute video about switches.

            • Citrus Lump
              Citrus Lump  5 hours back

              Jokes on you we use knife switches exclusively in this household!

              • Harry M
                Harry M  5 hours back

                heres another question: why is the voltage lower in the US than here in europe? lower voltage means more current for the same power.

                • LiftKid
                  LiftKid  5 hours back

                  I have a panel from an elevator and its switches can take literal seconds to click after flicking. Scary but cool.

                  • Jimi Hendrix
                    Jimi Hendrix  6 hours back

                    It's so blind people know when they've turned the light on

                    • doongi01
                      doongi01  6 hours back

                      You should do a video on printing calculators

                      • Spir Al
                        Spir Al  7 hours back

                        Haha thank you for the information , I'll be more rude with switches

                        • Matt Carrell
                          Matt Carrell  7 hours back

                          IF there was a light switch which was Quantum in nature, would the light be both on and off? Don't even go there with the cat example…!

                          • Matt Carrell
                            Matt Carrell  7 hours back

                            Personally I've never liked mushy switches. Switches that mush won't last long as such…. :)

                            • Ardin Catish
                              Ardin Catish  7 hours back

                              I was hoping it'd explain why my old house has switches you can hear from a mile away and modern switches are quiet...


                              oh dang it does. 10:32


                              I thought this video was going to be some useless information but it's actually pretty relevant.

                              • MyTech
                                MyTech  8 hours back

                                Those super clicky switches, with real spring loading, in your old house are still available. They are out of favor because the cost a few cents more and some folk do not like the loud clack noise.

                                Also insulator-conductor spectrum is not really true, at least it is an over simplification. While it is true that most conductors have some resistance(exceptions are called super conductors) the resistance should be thought of like wind-drag on a car or water-drag on a boat. A true insulator on the other hand has zero electrical leakage within its design envelope(mainly temperature and voltage gradient), an insulator is not simply a high resistance conductor. To be sure many materials have manufacturing defects that allow some leakage but this is generally not the bulk of the material but isolated channels, most notable on very thin insulation such as those found in capacitors, where the defects have a high chance of being the full depth of the insulation layer.
                                Now under certain conditions the insulation property can be broken and allow electron flow, thus turning an insulator into a conductor. Think of the insulator like a brick wall to the car, which prevent the car from moving at all up to a certain effort at which point the wall crumbles. This is what happens to gases in an arc, the voltage gradient becomes so high that the outer electrons of the gas are popped loose creating charged ions, charged ions will allow substantial electrical flow and the heat generated by the resistance helps keep the gas ionized even though the voltage gradient is much lower with conduction than it was before conduction.

                                Now you may be say "Wait! What about surface leakage on PCBs?"; Well that is not flow through the insulator that is flow creeping across the surface of the insulator due to the molecules at the edge of the material having loose ends so to speak, without a matching neighbor the charges may not be fully bound and the surface becomes a high resistance conductor.

                                And to cover another point, insulators generally do not block the electromagnetic field around electrical charge and flow which is capable of transferring energy without any exchange of electrons. Thus electricity can [up to a point] appear to flow through a capacitor or transformer though no electrons are actually crossing the capacitor or transformer.

                                • thecognacsipper
                                  thecognacsipper  9 hours back

                                  this video was awesome 'amit! ive been follwwingyouu for a while love your progression keep it uppp!

                                  • peanutbutterlover jr
                                    peanutbutterlover jr  9 hours back

                                    I turned the light which off in my room slowly on and off when I was little alot and it made sounds oops but it still works😉

                                    • jdgator95
                                      jdgator95  10 hours back

                                      Mr. Technology Connections man, I'm surprised you didn't discuss the old "silent" light switches which used mercury to make and break the circuit without noise.

                                      • Thomas P
                                        Thomas P  10 hours back

                                        ... there is one other kinda switch i can think of you didn't put in your switch bit

                                        • MC Gamer 4251-20
                                          MC Gamer 4251-20  10 hours back

                                          I have a light switch that dosent click at all

                                          • Casper S�
                                            Casper S�  10 hours back

                                            What about software buttons clicking?!

                                            • JJtoob
                                              JJtoob  10 hours back

                                              Yeah, don't make me go into keyboard switches, it would be a video on its own lol.

                                              • atlys
                                                atlys  12 hours back

                                                Actually you were incorrect about SF6, the main use of SF6 is to make your voice sound crazy awesome.

                                                • Pyrolonn
                                                  Pyrolonn  12 hours back

                                                  Great topic.

                                                  • KingBennon
                                                    KingBennon  12 hours back

                                                    7:20

                                                    • Jesse Montoya
                                                      Jesse Montoya  12 hours back

                                                      Just wanted to say this was the first video I've seen of yours and I instantly subscribed! Very informative and entertaining. I honestly had no idea I even gave a shit about light switches but hey, you proved me wrong 😂

                                                      • Team Wagy
                                                        Team Wagy  13 hours back

                                                        Haven't watched it but if you don't use the word "detent" I'm going to be upset

                                                        • Kyle Mcmannis
                                                          Kyle Mcmannis  13 hours back

                                                          *Sees title.*
                                                          Oh. Sure. I kinda wonder that.
                                                          *Sees the video is 15 minutes.*
                                                          ...

                                                          • Holobrine
                                                            Holobrine  13 hours back

                                                            “A switch is a handheld gay” - Technology Connections, 2019

                                                            1:27

                                                            • Johntheawesomeguy
                                                              Johntheawesomeguy  14 hours back

                                                              5:18 hurts to look at, that is the most stupidly dangerous thing I have seen

                                                              • Illy Shaieb
                                                                Illy Shaieb  16 hours back

                                                                Sleep? Nah, I'll watch a whole video about switches in my recommended... So happy I did. You've gained a new subscriber.

                                                                • cop警黑corrupt
                                                                  cop警黑corrupt  16 hours back

                                                                  idk y but i expected a pen that doesnt make the click sound

                                                                  • Victor Perez Domingo
                                                                    Victor Perez Domingo  16 hours back

                                                                    4 years of electronic engineering and I still learn new things from this video.

                                                                    • orange70383
                                                                      orange70383  17 hours back

                                                                      They click because of the need to make a quick connection between the contact points in the switch. As the connection is made there is an arc between the contacts, a slow connection would reduce the life of the switch.

                                                                      • nick longstaffe
                                                                        nick longstaffe  18 hours back

                                                                        So blind people can know if they turned the lights on or off 😂

                                                                        • Baldigamer100 VR
                                                                          Baldigamer100 VR  18 hours back

                                                                          when i was 5 i played with a plug and i saw a blue spark

                                                                          • James Christensen
                                                                            James Christensen  18 hours back

                                                                            Leviton's top-of-the-line switches are quiet. A loud click isn't necessary to achieve fast make contacts. Also, does this video qualify as click-bait? 😁

                                                                            • Ariel Voskov
                                                                              Ariel Voskov  19 hours back

                                                                              Fascinating

                                                                              • Iqmal Hakimi
                                                                                Iqmal Hakimi  20 hours back

                                                                                This video is *click* NOICE

                                                                                • the cat man
                                                                                  the cat man  20 hours back

                                                                                  3 minutes in ive already subscribed. well done

                                                                                  • matt carnes
                                                                                    matt carnes  20 hours back

                                                                                    do you film yourself or do you have someone film you since i would imagine it would be rather annoying to constantly get up move the camera and then sit down again

                                                                                    • Erich Mais
                                                                                      Erich Mais  21 hours back

                                                                                      Decoupling caps for every switch!!!!
                                                                                      !

                                                                                      • VintageToiletsRock
                                                                                        VintageToiletsRock  21 hours back

                                                                                        When my physics teacher told me about dielectric breakdown, I knew I had been lied to.

                                                                                        • Lu
                                                                                          Lu  21 hours back

                                                                                          Oh, so I guess that thing I did as a kid where I jiggled the switch back and forth to mess with the lights was a bad idea... Well, now I know.

                                                                                          • Gray Barchetta
                                                                                            Gray Barchetta  21 hours back

                                                                                            I need that shirt so badly.

                                                                                            • xGARIDx
                                                                                              xGARIDx  22 hours back

                                                                                              Never asked this question ger

                                                                                              • KBN
                                                                                                KBN  22 hours back

                                                                                                so why?

                                                                                                • Nick Dannunzio
                                                                                                  Nick Dannunzio  23 hours back

                                                                                                  Sorry this is click bait...TD and forwarding this vid to OSHA as... Only a moron would allow their eyes to be that close to an electrical arc without approved safety protection... BTW mercury switches do not make a click... and the electrical arc is insulated by being contained...