Opps sorry for the messy layout, click the link for a clearer table.
2009/1/20 Michel Jullian <[email protected]>:
> Terry, your theory below is a common misconception. Jed is right that
> (at equal current i.e. at equal voltage applied to the same
> resistance) DC current is less dangerous, see for example
> http://www.lovetools.ca/dl/electricalworkshop-handout.pdf :
>
> Effect
> DC(mA) AC (60Hz, mA) AC (10 kHz,mA)
> Slight sensation on hand - - - - - - - - - - - - - - - - - - - - - - -
> - - - - - - - 0.6 0.35
> Perception threshold - - - - - - - - - - - - - - - - - - - - - - - - -
> - - - - - - - - 3.5 0.7 8
> Shock--not painful, muscular control not lost - - - - - - - - - - - -
> - - - - 6 1.2 11
> Shock--painful, muscular control not lost - - - - - - - - - - - - - -
> - - - - - 41 6 37
> Shock--painful, let-go threshold - - - - - - - - - - - - - - - - - - -
> - - - - - - 51 10.5 50
> Shock--painful and severe, muscular contractions, breathing difficult
> 60 15 63
> Shock--possible ventricular fibrillation effect from 3-second shocks -
> 500 100
>
> Michel
>
> 2009/1/19 Terry Blanton <[email protected]>:
>> On Mon, Jan 19, 2009 at 4:50 PM, Jed Rothwell <[email protected]> wrote:
>>> AC is
>>> more dangerous than DC.
>>
>> Not always. If you have ever been shocked by house current, you feel
>> a 120 Hz pulse as the voltage passes through zero twice per cycle. At
>> any of these points, you can actually let go since your muscles cease
>> to contract.
>>
>> With the application of the same DC voltage, you will hold on forever.
>
