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  • Q684 - Electrical, Electronic, & Control Engineering

8. What is the minimum threshold voltage at which the skin offers no appreciable resistance to electrical current flow and is known as the «skin-puncture voltage»?

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At 600 VAC, the skin's outer layer breaks down, minimizing resistance and allowing current to flow through internal tissues. This voltage, known as the skin-puncture voltage, is a standard threshold used in safety training and calculations where skin resistance is considered negligible.

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