Originally Posted by
mjarus
. 10A can easily kill. .
A little clarification on lethal shock.
Although of course 10amps flowing through the human body would certainly kill you, only 100 to 200ma is considered dangerous and above 500ma can be lethal.
To get 10amps to flow, a voltage would have to be available that normal people do not come across, this side if Lightning.
If you consider a 12vdc auto battery capable of 200amps, people handle these all the time and work on automotive electrics all the time with the only saftey concern is a burn from shorting a terminal.
The reason is, the normal resistance of the human body restricts the current at this voltage to below danger level.
When working on higher voltages than 24v (BTW ac is considered more dangerous) it pays to keep one hand off equipment or in your pocket, If you receive a shock from hand to elbow, this has less of a hazard than from hand to hand.
Fortunately, In most cases, the involuntary action of the shock, will often cause your hand to jerk away from the source, Unfortunately, if you cannot release your hand, the resistance starts to drop rapidly, causing further current to flow. (chair)
Ask anyone who works in the electrical/electronic industry and they will probably tell you that they have had their share of Jabs.
The highest I have had is from 18,000v from the side of a CRT,(which happened to be ON
Al.
CNC, Mechatronics Integration and Custom Machine Design
“Logic will get you from A to B. Imagination will take you everywhere.”
Albert E.