Added: 5 years ago
From: Ju5tATh0ught
Views: 72,047
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  • And this is why AFCI's are in use

  • Electricity is very hot and violent, so no wonder it catches things on fire. Electrical discharges can get as hot as the surface of the Sun if not hotter! They are part of atoms, one has to remember that, and, they move at near the speed of light....

  • Wood is a poor insulator of high voltage and I am surprised you did not get shocked.

  • i'll remember not to leave firewood in my jacobs ladder from now on

  • Comment removed

  • put your penis in it it tickles

  • is that a metal comuter frame under it?

  • Burn damn you burn. lol

  • Electrical fires are often started by bad connections that become very hot from the resistance that is created. I've seen situations with current drawing major appliances such as electric stoves and dryers that draw a lot of current. 

  • i also will add that when an arc happens if its a ground fault or short circuit. THE VOLTAGE JUMPS THOUSANDS OF VOLTS FOR A SPLITT SECOND!! despite what someone commented. electricity is a killer beast that must be respected not feared...

  • as a 4 year sparky i just wanna say thats the coolest shit ever. did he make that out of a neon light??

  • it's ok, I didn't install a jacob's ladder behind my drywall

    electrical fire are from ohmic heating caused by bad contacts/undersized wires and breakers rated too high for the wires

  • @shodanxx Yes, you are completely correct about the most common causes of fires in household wiring. Again, this is an exaggeration of what goes into an electrical fire, however it is an entertaining way to illustrate the point.

  • Comment removed

  • @shodanxx in short toaster wires running through your walls

  • it's ok, I didn't install a jacob's ladder behind my drywall

    electrical fire are from ohmic heating caused by bad contacts/undersized wires and breakers rated too high for the wires

  • (In response to ARandomCanadian and Slikhedgehog's comments)

    Put your dick in there

  • not many household items have thousands of volts in them, the outlet only uses 120/220 not 12000, only microwaves, boilers, and a few other contain that voltage and most dont use allot of current. so your housefire will most likely not start like that.

  • @iminyourbasement That is completely correct and any appliance (such as microwaves and televisions) requiring that kind of voltage are built in a way such that the high voltage components would be very unlikely to arc and create a fire. This is an exaggeration, however it illustrates a point.

  • dis reel?

  • @2dlamb Yes, this is very real.

  • @Ju5tATh0ught faggot uploader replied

  • give me 500us I'll do it

  • Chris03653837: If you go into ventricular fibrillation (quite likely), you will die within 3 minutes if you don't have anyone standing by with a defibrillator to restart your heart. Hard to spend $500 when you're dead. (Unless you figure there's shopping malls in Heaven or Hell or some other imagined afterlife.)

  • oh come on ground yourself and then hold a metal pipe in your bare hand and put in in that thing i bet you'd get more views LMFAO

  • Yes, yes I probably would get many more views.

  • Cause it would feel really good, going to go try now

  • Put your eye in there.

  • put ur dick in that

  • reminds me of a light sabre

  • put your balls in there

  • Put your hand in there

  • (Residule Current Device) is an AfCi in the us Arc Fault is required in every home in the 2008 nec except were gfci protected

  • Gfci is for ground fault you are referring to a arc fault brk you might wunt to change the title of your post electrical fires start many different ways one is persons doing it unpurpose like you are doing but a true fire is not produced with an open source like yours usually is a loose screw or wire nut you are using very high voltage with hardly any amperage amperage is usually the biggest problem bc it produces heat

  • . <-- Learn to use them.

    Yes, there are an infinite number of ways for a fire to start or -- even an electrical fire to start. The purpose of this video was simply to demonstrate flammability of wood when brought near an electric arc and nothing more.

    In the case of an open arc, it is not just current (Amperes) or potential (Volts) that generates heat, but rather the combination of both to create a total power output (Watts.) This transformer runs at about 15 milliamperes consuming ~180 Watts.

  • holy 12kV in ur home? lol dang.

  • Dear co.,

    Yes, you're right; you are absolutely right.

    .

    This is the fire started in the Towering Inferno of 1974.

    It was found that finer guage electrical wiring and screws than the building code requirment specified, were used in construction in an attempt by the builder to reduce construction costs and for him to pocket the difference.

    .

    Many lives were lost that fateful evening in San Francisco; fortunately the deaths were of characters in the movie.

    Cheers.

    from,

    del-boy.

  • indeed :)

  • I saw that wood wanted to catch fire rather difficult, and the it was blown out rather soon, but if this would occur in a big measure it would be trouble

  • The equivalent device in America is called a GFCI (ground fault circuit interrupter) outlet. By code, any area where there is risk of fault by means of grounding (sinks, outdoors, anywhere where there is water) is required to have one of those outlets. They also are less-frequently used for larger appliances to protect against internal faults to ground.

  • I'm not exactly sure what you mean by all that...lol The part about being careful what wood I use, yes thank you I was very conscious about my selection of wood. :)

  • That's cool, but that's a baby one. At work, we had a 10,000VDC 1A supply that we modulated the current with the audio from a radio. The ladder was about 6 feet high and 8 inches wide and the arc 'played' music!

  • Nice! Sounds like a lot of fun. There wouldn't happen to be a video of it online somewhere would there?

  • I do wonder, is the arc/Jacob's ladder actually applying FORCE to the wood (e.g. were you actively having to push that stick down)?

  • no, but the wires can melt if the arc stays in one place for too long

  • The part amount melting wires is very true. While I was restoring the transformer, I tested it at one point with just the secondary output wires (very very thin). Those things shortened themselves very rapidly.

  • Definitely not in a detectable amount, no. Technically there is some upward force on the wood as the arc generates a tremendous amount of heat which causes a small up-current of airflow. This is why the arc *climbs* the ladder in the first place.

  • Sorry, but it wouldn't. If it did, then every rain storm would cause power lines to arc.

  • Not true. They're protected by rubber insulation. When have you seen a gleaming metal wire overhead?

  • The overhead power lines are uninsulated. That is why linemen wear special rubber gloves when working on them. You can't see the metal because you always see them from underneath, and the sun shining on them can't reach them at a good angle to make them look shiny. Wait until night, then shine a flash light at them in one hand while looking at them with binoculars in the other hand. You will see that they are bare aluminum wires.

  • If you don't have underground power in your city then they will be on the power poles. Then you can you just go outside your house and look for yourself as I suggested.

  • over head wires are mainly copper not aul the reason is alu corrodes a lot faster than copper the greenish tint the oxidation protects the conductor to a cretin extent most al con are from the secondary side i could be wrong though I

  • I work in the power industry and almost all overhead conductors are aluminium, mainly because its cheaper (3rd most abundant material on earth) although it's less conductive. Aluminium is one of the most reactive elements however the initial oxidation creates an outer layer of aluminium oxide that impedes further oxidation.

  • It's also light. Many aluminium overhead lines are steel-cored for greater tensile strength. The higher resistivity of steel is largely mitigated by the skin effect concentrating the current in the aluminium outer layer.

  • overhead cables are not insulated!

  • also caused when an electrical wire in the wall shorts out and the breaker or fuse refuses to open the circuit. the wire shorting out gets so hut it acts ac a heating element and burn everything that is toudhing it starting with insulation and wood inside the walls.

  • Fun all round :)

    Just a thought, wood, even dry wood, conducts a little electricity. You're safe here because the NST is acting like an isolation transformer. But if the NST arcs to ground it might sting a little :)

  • 12kv is just not enough to break down ~1m of dry wood...or at least I would hope so :P

  • Mmm, true that. I usually play the "safer than sorry" card. Dry wood is fine, but I've seen some people use wood with high moisture content, like stuff that's been sitting in the weather.

    On a side note, moist wood can make some nice fractal burns when two nails are driven lightly into wood thats not old and dry.

  • exelent

  • how did you make that, tell me

  • I like how it's sitting in a spare computer case...

  • fuel furnace igniter. thats how i built mine

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