Here was my case in the other thread:
Anyway, about the faraday cage vest, I think it would still allow the guy to get zapped. A faraday cage works on the principle that electricity only wants to travel on the surface of a conductor. For the electricity flowing in the chest area, it will travel through the vest instead. But the vest only covers the chest area, and the electricity would still want to travel to all the regions of his body that the vest wasn't covering.
Imagine wearing a bracelet and hooking a high voltage up to it. That bracelet would be a very small cage surrounding your wrist, but it wouldn't stop you from getting shocked. It may stop the skin directly under the metal from getting shocked, but that electricity will still want to raise the potential all through your body, and it will have to run from your wrist to your feet somehow.
In the case of the vest, it's larger than a bracelet but still doesn't surround the whole body. The potential must equalize throughout your body, and you have 50,000 volts wanting to reach the legs, arms, neck, and cramping up your muscles in the process.
Here is essentially the same thing, a jacket that is electrified. It's a woven vest that is electrified that surrounds the user's chest. It would act as a faraday cage, but they still use a rubber insulating layer between it and the wearer. They also mention that you shouldn't touch it with your hands or face or you'll get shocked. So it sounds like the people who designed it didn't think the cage affect will stop you from getting shocked. Keep in mind that the taser unit being contained in this jacket won't be any different than an officer's taser being stuck in your faraday cage jacket. The only difference will be that you'd be wearing the transformer instead of the officer holding it.
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