Guy Churchill wrote:
> > In our workshop I have _seen_ tools physically welded to metal parts
> when accidental contact has been made between a positive source and
> a negative ... we are talking on 12V and 24V (truck) systems only.
Yep, a direct low resistance short on a battery that is capable of
delivering a high current can weld tools and parts together. However,
your skin is not a low resistance, especially when it is dry. Wet skin
has a much lower resistance and can cause more current to flow.
Even if the 12 or 24 volt battery has a low internal resistance and a
high current capacity, the current flow will follow Ohm's law. Namely:
I (current) = V (voltage) / R ( resistance)
I think that what you experianced was a chemical burn from the acid and
that the deep tissue swelling is because you pushed against it hard and
brused the undelying tissue.
There
> is alot of power in these batteries and no mild acid burn can possibly explain
> the deep tissue swelling.
> Bottom line is you shouldn't play with electricty ... either mains or
> battery if you don't know what you are doing.
>
Good advice because it is easy to get hurt.
--
Jim Coon
Not just another pretty mandolin picker
mailto:[EMAIL PROTECTED]
If Gibson made cars, would they sound so sweet?
My first web page
http://www.tir.com/~liteways/
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