Hi!
Hi!

I don't know if you have seen those stun guns they sell online.
I don't know if you have seen those stun guns they sell online.

I saw channels like JerryRigEverything or Unbox Therapy reviewing this Yellow Jacket Stun Gun
I saw channels like JerryRigEverything or Unbox Therapy reviewing this Yellow Jacket Stun Gun

which is a cell phone case that can output SEVEN MILLION VOLTS!
which is a cell phone case that can output SEVEN MILLION VOLTS!

*Cheeky bastard*
*Cheeky bastard*

'The future...of self defense.'
'The future...of self defense.'

'We can apply this to the groin area–'
'We can apply this to the groin area–'

Very good channels, by the way, if you like reviews and unboxing.
Very good channels, by the way, if you like reviews and unboxing.

'It's also a power bank, and it has seven million volts of stun gun protection–'
'It's also a power bank, and it has seven million volts of stun gun protection–'

*Cocky* Jerry, come on Jerry! Jerry? Seven million volts, Jerry? There MUST be a typo somewhere, Jerry!
*Cocky* Jerry, come on Jerry! Jerry? Seven million volts, Jerry? There MUST be a typo somewhere, Jerry!

*Mouth click* Amazon says seven million–maybe that's the typo.
*Mouth click* Amazon says seven million–maybe that's the typo.

'*Electric spark sound* Apparently, this thing can put out seven million volts–'
'*Electric spark sound* Apparently, this thing can put out seven million volts–'

It says it right on the box! Let's download its user manual.
It says it right on the box! Let's download its user manual.

There it is. 'Yellow Jacket case is a seven million voltage stun gun–'
There it is. 'Yellow Jacket case is a seven million voltage stun gun–'

A seven million VOLTAGE stun gun? Really? Seven million VOLTAGE?
A seven million VOLTAGE stun gun? Really? Seven million VOLTAGE?

Voltage is the electromotive force or the potential energy required to move the electrical charge!
Voltage is the electromotive force or the potential energy required to move the electrical charge!

The unit is VOLT! Seven million VOLT stun gun.
The unit is VOLT! Seven million VOLT stun gun.

I reject your claim based on such a simple grammatical error!
I reject your claim based on such a simple grammatical error!

No, but really, this phone case is not the only one claiming such a high voltage.
No, but really, this phone case is not the only one claiming such a high voltage.

Just look at these high voltage arc generators!
Just look at these high voltage arc generators!

*Listing* 400 thousand volts!
*Listing* 400 thousand volts!

One million volts!
One million volts!

400 thousand volts!
400 thousand volts!

400 kilovolts!
400 kilovolts!

500 KILOvolts!
500 KILOvolts!

False claims!
False claims!

False claims everywhere! [Maybe the wonder "free energy" boy is back at it again]
False claims everywhere! [Maybe the wonder "free energy" boy is back at it again]

It won't stop me from buying one of these babies, though.
It won't stop me from buying one of these babies, though.

I don't really need them, though.
I don't really need them, though.

If you remember, I made my own taser back in my OLD video. The arcs can jump o–
If you remember, I made my own taser back in my OLD video. The arcs can jump o–

F**K!
F**K!

S**T!
S**T!

You don't bring your finger close to a stun gun when it's running!
You don't bring your finger close to a stun gun when it's running!

Everyone can build something like this, or even stronger, but it might not be legal everywhere. Let's check.
Everyone can build something like this, or even stronger, but it might not be legal everywhere. Let's check.

*Typing* Is it legal–*laughs, reading* 'to marry yourself;' 'to grow pot in bc;' 'to bait deer in bc;'
*Typing* Is it legal–*laughs, reading* 'to marry yourself;' 'to grow pot in bc;' 'to bait deer in bc;'

'to smoke weed in bc;' 'to marry your cousin in canada.'
'to smoke weed in bc;' 'to marry your cousin in canada.'

*Clicks*
*Clicks*

'No European country prohibits marriage between first cousins. It is also legal throughout Canada and Mexico
'No European country prohibits marriage between first cousins. It is also legal throughout Canada and Mexico

to marry your cousin. The U.S. is the only western country with cousin marriage restrictions.'
to marry your cousin. The U.S. is the only western country with cousin marriage restrictions.'

Fun fact.
Fun fact.

*Typing* Is it legal to have stun gun in Canada?
*Typing* Is it legal to have stun gun in Canada?

'In the United States, tasers are not considered firearms'–ugh, nobody cares. They can buy shotguns!
'In the United States, tasers are not considered firearms'–ugh, nobody cares. They can buy shotguns!

'In Canada, however, tasers are a prohibited weapon.'
'In Canada, however, tasers are a prohibited weapon.'

*Whoops*
*Whoops*

*Grasping* Huh, well CLEARLY it's not a taser! It's not even portable!
*Grasping* Huh, well CLEARLY it's not a taser! It's not even portable!

Only for educational purposes!
Only for educational purposes!

*Police sirens approaching*
*Police sirens approaching*

S**T!
S**T!

*Sirens stop* Now, why do I say those voltage claims are garbage?
*Sirens stop* Now, why do I say those voltage claims are garbage?

Simple!
Simple!

Air can break down under 15 thousand to 30 thousand volts across a one centimeter gap.
Air can break down under 15 thousand to 30 thousand volts across a one centimeter gap.

And that depends on the humidity and pressure and many other factors.
And that depends on the humidity and pressure and many other factors.

I've borrowed an ESD gun and I've set it to 25 kilovolts and I'll bring a ground wire close so that the arcs
I've borrowed an ESD gun and I've set it to 25 kilovolts and I'll bring a ground wire close so that the arcs

*sounds of electric arcs* start jumping.
*sounds of electric arcs* start jumping.

And then I can measure the air gap using my–F*****G S**T! [Quality content]
And then I can measure the air gap using my–F*****G S**T! [Quality content]

*Correcting* –right after I shut down the gun. [Nice save]
*Correcting* –right after I shut down the gun. [Nice save]

Okay, let's try it.
Okay, let's try it.

*Electric arc sounds*
*Electric arc sounds*

Somewhere around there.
Somewhere around there.

And it's almoooooossssssstttt
And it's almoooooossssssstttt

15 millimeters?
15 millimeters?

And that's around 16 to 17 kilovolts per centimeter.
And that's around 16 to 17 kilovolts per centimeter.

So, for example, for the phone case that had its prongs around one centimeter, the arcs would jump for around
So, for example, for the phone case that had its prongs around one centimeter, the arcs would jump for around

16 kilovolts, and that's what the voltage would be limited to.
16 kilovolts, and that's what the voltage would be limited to.

Not *engage god voice* SEVEN MILLION VOLTS!
Not *engage god voice* SEVEN MILLION VOLTS!

Why is the voltage limited, you ask? Let me show you how an arc is made.
Why is the voltage limited, you ask? Let me show you how an arc is made.

We have two points with a voltage difference
We have two points with a voltage difference

and every one of them makes the air around it ionized.
and every one of them makes the air around it ionized.

As the voltage
As the voltage

between them rises,
between them rises,

they make more and more air ionized around them.
they make more and more air ionized around them.

And, although air is a very good nonconductive isolator, the ionized air is a very good conductor.
And, although air is a very good nonconductive isolator, the ionized air is a very good conductor.

If the voltage between them rises enough, the ionized areas around them get so big that they touch each other
If the voltage between them rises enough, the ionized areas around them get so big that they touch each other

and short circuit the two points.
and short circuit the two points.

And, so, a huge current runs through the gap, and the current looks something like this.
And, so, a huge current runs through the gap, and the current looks something like this.

This spike, here, can be tens of amps, but it happens in less than a nanosecond!
This spike, here, can be tens of amps, but it happens in less than a nanosecond!

This whole event can be tens of nanoseconds,
This whole event can be tens of nanoseconds,

and the voltage immediately drops to zero, and that's one pulse of electricity. [O.o]
and the voltage immediately drops to zero, and that's one pulse of electricity. [O.o]

So, the voltage can go only so far before the ionized air shorts it, and that depends on the
So, the voltage can go only so far before the ionized air shorts it, and that depends on the

distance between the prongs.
distance between the prongs.

So, in order to get seven million volts, you need a distance of roughly more than three and a half meters!
So, in order to get seven million volts, you need a distance of roughly more than three and a half meters!

Huh, I mean, having a cellphone cover that's also a stun gun is cool and all, but are you really comfortable having
Huh, I mean, having a cellphone cover that's also a stun gun is cool and all, but are you really comfortable having

a stun gun on your head while talking to somebody?
a stun gun on your head while talking to somebody?

*Chuckles*
*Chuckles*

I can imagine many people fidgeting with the all buttons while they are talking to the person they have a crush on!
I can imagine many people fidgeting with the all buttons while they are talking to the person they have a crush on!

*Imitating* Oh, tonight?!
*Imitating* Oh, tonight?!

No, I'm completely free to–*shock noise* F**K! S**T! [This jump-scared me so hard]
No, I'm completely free to–*shock noise* F**K! S**T! [This jump-scared me so hard]

I don't know why manufacturers claim such bogus numbers!
I don't know why manufacturers claim such bogus numbers!

Here's a few of them!
Here's a few of them!

'World's smallest' at SIX MILLION VOLTS!
'World's smallest' at SIX MILLION VOLTS!

See, even the prongs are not that far!
See, even the prongs are not that far!

And here's a pink, zebra taser with 18 MILLION VOLTS!
And here's a pink, zebra taser with 18 MILLION VOLTS!

What the f**k is this?
What the f**k is this?

980 MILLION VOLTS?
980 MILLION VOLTS?

Even most lightenings [good word choice] don't have that much voltage!
Even most lightenings [good word choice] don't have that much voltage!

I am starting to think there is no regulation around bulls**t out there!
I am starting to think there is no regulation around bulls**t out there!

It's funny. Long ago, I thought if somebody was attacked by a stun gun, they would be *mocking* paralyzed
It's funny. Long ago, I thought if somebody was attacked by a stun gun, they would be *mocking* paralyzed

after the shock for a long while thanks to Hollywood!
after the shock for a long while thanks to Hollywood!

'I'M CALM! *Crowd gasping*
'I'M CALM! *Crowd gasping*

*Weird taser noises?*'
*Weird taser noises?*'

'*Short electric spark*'
'*Short electric spark*'

'Oh honey, help me up here, please?'
'Oh honey, help me up here, please?'

*Taser sound effect*
*Taser sound effect*

*More taser noises*
*More taser noises*

*Distant speaking*
*Distant speaking*

But after being zapped so many times over years, I realized that you just feel such huge pain
But after being zapped so many times over years, I realized that you just feel such huge pain

that will paralyze you while being shocked.
that will paralyze you while being shocked.

But, as soon as the electrical shock stops, if it hasn't left a permanent damage, you'll be instantly fine.
But, as soon as the electrical shock stops, if it hasn't left a permanent damage, you'll be instantly fine.

It may mess with your muscle control while being shocked, but if you're mentally strong against pain,
It may mess with your muscle control while being shocked, but if you're mentally strong against pain,

even the pain won't be able to completely paralyze you!
even the pain won't be able to completely paralyze you!

This police man puts it very well.
This police man puts it very well.

The concept's kind of neat, but it's pain compliance. And pain compliance, if you're motivated enough, pain
The concept's kind of neat, but it's pain compliance. And pain compliance, if you're motivated enough, pain

compliance–you can fight through the pain.
compliance–you can fight through the pain.

So, this might shock you–*cocky laugh*–but Hollywood science is mostly bogus too.
So, this might shock you–*cocky laugh*–but Hollywood science is mostly bogus too.

'It's not the voltage that kills you; there's not a whole lot of amperage flowing through with those volts–'
'It's not the voltage that kills you; there's not a whole lot of amperage flowing through with those volts–'

*Suspicious* Jerry?
*Suspicious* Jerry?

Who is this "Jerry rig" guy?
Who is this "Jerry rig" guy?

*Whispering noises building up*
*Whispering noises building up*

*Mouth noise made with tongue moving back and forth; continuous*
*Mouth noise made with tongue moving back and forth; continuous*

*Spy music made from mouth sounds*
*Spy music made from mouth sounds*

'Zack Nelson!'
'Zack Nelson!'

*Spy music continues*
*Spy music continues*

'Zack Nelson:'
'Zack Nelson:'

'Owner of JerryRigEverything'
'Owner of JerryRigEverything'

*Spy music continues*
*Spy music continues*

*Music stops* Oh, okay. So he has a bachelor in management.
*Music stops* Oh, okay. So he has a bachelor in management.

He doesn't have electronic background.
He doesn't have electronic background.

And he's such a nice guy! I can't stay mad at him.
And he's such a nice guy! I can't stay mad at him.

But I can stay mad at THIS guy!
But I can stay mad at THIS guy!

'It's really the current that gets you, and, not really the voltage.'
'It's really the current that gets you, and, not really the voltage.'

*Taking over video* Obviously he's a scientist talking about electronics.
*Taking over video* Obviously he's a scientist talking about electronics.

What he claims is that his Van de Graaff tower is at 200 THOUSAND VOLTS!
What he claims is that his Van de Graaff tower is at 200 THOUSAND VOLTS!

Which is fine.
Which is fine.

And then, he isolates himself on a stool and touches the tower–which is okay, and his hair sticks up.
And then, he isolates himself on a stool and touches the tower–which is okay, and his hair sticks up.

But, even at that point, the tower is not at 200 thousand volts anymore!
But, even at that point, the tower is not at 200 thousand volts anymore!

I bet it is dropped to 50 kilovolts or less
I bet it is dropped to 50 kilovolts or less

because his body provides a much greater surface area that electric charges run away from.
because his body provides a much greater surface area that electric charges run away from.

And THEN, he eventually touches the ground as well, at which point his body shorts and dissipates the
And THEN, he eventually touches the ground as well, at which point his body shorts and dissipates the

charges to ground!
charges to ground!

You can see it by his hair dropping back to zero.
You can see it by his hair dropping back to zero.

And I'm ready to change my name if the tower voltage is not less than 50 volts, if not zero!
And I'm ready to change my name if the tower voltage is not less than 50 volts, if not zero!

NOWHERE does he mention of such voltage drop and leaves audience thinking he's touching
NOWHERE does he mention of such voltage drop and leaves audience thinking he's touching

across 200 thousand volts!
across 200 thousand volts!

And instead, he says,
And instead, he says,

'it's really the current that gets you, and, not really the voltage–'
'it's really the current that gets you, and, not really the voltage–'

He seems like a very nice guy, though. I bet it was a one-time mistake. So no hard feelings.
He seems like a very nice guy, though. I bet it was a one-time mistake. So no hard feelings.

You know, saying that it's not the voltage that hurts, but the current is like saying I'm gonna shoot you in the head
You know, saying that it's not the voltage that hurts, but the current is like saying I'm gonna shoot you in the head

with a shotgun!
with a shotgun!

But as long as the bullets hit you *reassuring* very softly, you won't feel a thing!
But as long as the bullets hit you *reassuring* very softly, you won't feel a thing!

WaNnA tRy?
WaNnA tRy?

How many times do I have to say this?!
How many times do I have to say this?!

If there is high voltage across your body, there is no way to limit the current and you'll die!
If there is high voltage across your body, there is no way to limit the current and you'll die!

Here. Let's say this 12 ohm resistor is a human, and I'll put 10 volt across it with no current limit.
Here. Let's say this 12 ohm resistor is a human, and I'll put 10 volt across it with no current limit.

Let's see what happens.
Let's see what happens.

See?! The human burns!
See?! The human burns!

BUT,
BUT,

if I current-limit the supply to .1 amps
if I current-limit the supply to .1 amps

and put the same 10 volt across a fresh 12 ohm
and put the same 10 volt across a fresh 12 ohm

and it doesn't burn!
and it doesn't burn!

But is the voltage the same? NO!
But is the voltage the same? NO!

It has dropped very low.
It has dropped very low.

If your supply is current-limited, the voltage must drop.
If your supply is current-limited, the voltage must drop.

If the voltage doesn't drop, the current remains high.
If the voltage doesn't drop, the current remains high.

And that's why the signs say, 'DANGER - High voltage,' not 'High current.'
And that's why the signs say, 'DANGER - High voltage,' not 'High current.'

Here, I'm running
Here, I'm running

*spark sound*
*spark sound*

10 amps through the wire–and I'm touching it–and I feel nothing because the voltage across my body is zero!
10 amps through the wire–and I'm touching it–and I feel nothing because the voltage across my body is zero!

So let's correct that sentence.
So let's correct that sentence.

*Proper; harpsichord music plays* 'It is not necessarily a supply voltage at no load,
*Proper; harpsichord music plays* 'It is not necessarily a supply voltage at no load,

BUT, the amount of current it can provide when touched that indicates how much hurting you shall receive.'
BUT, the amount of current it can provide when touched that indicates how much hurting you shall receive.'

*Continues* Because a touched supply voltage may drop, if its current is somehow limited.'
*Continues* Because a touched supply voltage may drop, if its current is somehow limited.'

Well it's much longer than "it's not the voltage, it's the current," but way more accurate!
Well it's much longer than "it's not the voltage, it's the current," but way more accurate!

Oh, tonight?
Oh, tonight?

NO, I'm completely free to–F**K!
NO, I'm completely free to–F**K!

*Phone crashes to ground after an amazing catch ;)*
*Phone crashes to ground after an amazing catch ;)*

*Laughing sadness* [I think]
*Laughing sadness* [I think]

Pahng
Pahng

Pahng
Pahng

Pouh pahng
Pouh pahng

Pahng
Pahng

Pahng
Pahng

Pouh pahng
Pouh pahng

Pahng
Pahng

Pahng
Pahng

Pahng
Pahng

Pahng
Pahng

Pahng
Pahng

Pouh pahng
Pouh pahng