I've had 40,000 volts go through my body (a high school physics class experiment, a long time ago) but with almost no current. Just made me feel tingly.
Kind of cool though. (Didn't wear watches back then)
He's the electrical engineer and pointed out several places on the base of the coil that would surely kill you instantly as would the sparks if hit. He did mention that they had problems with cell phones while testing the cage :scared: