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I always read that pierced skin will dramatically affect skin resistance, but they never seem to specify where the open wounds are on the skin.

Say I have open wounds around my chest area, but I am touching something with my fingers. Does the location of these open wounds near my heart give me a greater risk, or only if the wounds are near where I am touching the electrified object?

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  • \$\begingroup\$ Not "near", "on" or "in". \$\endgroup\$ – Ignacio Vazquez-Abrams Oct 27 '17 at 7:24
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    \$\begingroup\$ The difference is whether the electrode makes contact with the dead dry layers on the outside of intact skin, or the wet salty bits of the dermis. \$\endgroup\$ – Neil_UK Oct 27 '17 at 8:32
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Open wounds only matter if that is where the electricity is entering or exiting. For example, if you pierce your skin with two needles and connect them to a 9V battery you can potentially get a life threatening current flowing.

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