I think the advertised voltage of a stun-gun is describing the maximum open circuit voltage that the electronics should be able to achieve. The actual operating voltage will depend on what the probes are contacting (bare skin, wool sweater, nothing). I think when selling to the average consumer, specsmanship is how to pique the buyers interest. Other than law-enforcement, I can't think of anyone who would use a stun-gun often enought to rate it's performance objectively. If it says 2 million volts and you buy and use it on someone, I doubt you'll care overmuch about the physics.
I read the description of the 14,000,000 volt stun gun also. I'm surprised that an American manufacturer did this. It just goes to show that to compete with the Chinese liars, you have to tell a bigger lie.
The written description indeed says that 14,000,000 is the model number, but the product details says that the model number is SGTTerminator 6.
In my opinion, the 14,000,000 is clearly an attempt to deceive the buyer, just as the Chinese routinely do. It would indeed require specialized equipment to measure the peak voltage of the stun gun, but it can be easily approximated by measuring the distance between the probes. The laws of physics limit the maximum output voltage.
The same manufacturer sells another one, quoting 12,000,000 volts and and says nothing about it being the model number. In the product details, the model number is given as SGT7800. The product details for this one does not say that the device is made in the US. It does say that "Terminator" is a US brand name, however. Still, a US company should know better than to make such a claim.
The retailers just pass on the information provided by the manufacturers.
Took a look at your 14 million volt stun gun. Reading the description it says that the voltage is hard to measure, so they made the part number of the gun 14,000,000V! How do you like that for clever marketing? This was to show that their gun had a similiar voltage to other stun guns. They have no description of what the actual voltage and current of the gun is.
People are impressed by "big numbers" with no understanding of what they mean.
While I was in college, some smartass painted a sign in the colors of the local power company (complete with fake logo) with the message "Danger 10,000,000 ohms!" and placed it next to an equipment locker. Of course, we EEs just chuckled and went on our way, but other people were actually crossing the street to avoid the sign!
I don't know what the voltage of a Taser is, but I saw one in action at the Consumer Electronics Show in Las Vegas a few years ago. An unfortunate Wall Street Journal reporter volunteered to be tazed, and it did not appear to be a comfortable experience.
I remember Doc giving that lesson in "Back to the Future" demonstrating "Voltage vs. Amperage" where his hair was standing on end. So I guess that really means that when you see those bold WARNING HIGH VOLTAGE signs on Cellular towers and other fenced-off electrical sub-stations, you can really just say, "Oh Voltage, Schmoltage -- I ain't scared" !!
The loudest SNAP I ever heard came about while I was cleaning out the sump pump during a thunderstorm, when I was young and foolish. As I approached the pipe with a screwdriver I saw a large arc jump across the pipe and into my hand with a loud SNAP! My arm flew across the room and the rest of my body chased after my arm, having grown quite found of it after all those years. It wasn't until then that the thunder sounded. The thunder was louder than the SNAP, but the SNAP had visual and sensory cues that the thunder lacked.
After that any problems with the pump were resolved after the rain stopped.
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