It's not the volts, it's the amps that kill.
Volts is jolts but mils (mA) kills.
12W is not going to power much of a blower.
All these things are true, but the amount of amps that flow depends on the voltage and the resistance. So it's true that amps kill, but it takes a large enough voltage to drive a lethal current through a given resistance. 12 volts ÷ 100000 ohms = 120 microamps.Have you ever stuck your finger in a car cigarette lighter? 12 volt DC, sometimes 30 amps.
Does that help?
Well there you go throwing facts around again. What are you trying to prove?:devil3:All these things are true, but the amount of amps that flow depends on the voltage and the resistance. So it's true that amps kill, but it takes a large enough voltage to drive a lethal current through a given resistance. 12 volts ÷ 100000 ohms = 120 microamps.
To drive 30 amps through that resistance would take 100000 ohms x 30 amps = 3 million volts.
Yes, 12 V just isnt enough to drive a lethal current through someone who has unbroken skin. But there is always the possibility of the high voltage side faulting to the low voltage side.
Under dry conditions, the resistance offered by the human body may be as high as 100,000Ohms. Wet or broken skin may drop the body’s resistance to 1,000 Ohms.
High-voltage electrical energy quickly breaks down human skin, reducing the human body’s resistance to 500 Ohms.
Well since electricity takes ALL paths (don't believe the lore about shortest path; it's not true) and since metal has lower resistance than you, most of the energy is going through the metal.
From another point of view. A friend was disconnecting his 12 volt car battery, positive first (whoops).
His wedding ring was on the bare part of the wrench and it touched the car body. The ring melted all the way to the bone in an instant. Had to have surgery to get it removed.
Obviously there was no fuse at that point in the wiring, but I can imagine a 30 fuse allowing almost the same result.