[time-nuts] Wavecrest DTS 2070
Charles Steinmetz
csteinmetz at yandex.com
Mon Sep 9 19:49:33 EDT 2013
Ed wrote:
>You could grab the buss bar with your bare hands and not feel a
>thing. 48V isn't high enough to be dangerous.
It all depends on the current drawn through the body (and especially,
through one's heart). Therefore, it depends on the point-to-point
resistance through the body between contact points, and whether the
current path runs through the heart. Much (most) of that resistance
is between the skin's surface and the flesh just beneath the
skin. If the skin is punctured so the contact goes straight to the
flesh beneath the skin, or the contact patch is very large, or the
skin is wet (especially with salt water), or a combination of the
above, you can get lethal current with much less than the voltage
normally required (i.e., dry skin, small contact points, etc.).
Best regards,
Charles
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