It turns out that humans are only harmed by current, not voltage, to the point where even 0.2 amps is almost certainly lethal. Yet for some reason we always see signs for “Danger: High Voltage”, even though voltage literally cannot hurt you. Why should you still stay away from high voltage objects, and does that mean you should worry about all objects that can supply voltage? It might be helpful to know that a dry human body has about 100,000 ohms of resistance, and we can’t feel current below 0.001 Amps

It turns out that humans are only harmed by current, not voltage, to the point where even 0.2 amps is almost certainly lethal. Yet for some reason we always see signs for “Danger: High Voltage”, even though voltage literally cannot hurt you. Why should you still stay away from high voltage objects, and does that mean you should worry about all objects that can supply voltage? It might be helpful to know that a dry human body has about 100,000 ohms of resistance, and we can’t feel current below 0.001 Amps

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