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原帖由: BeenThere DoneThat ,

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'''Quit using yourself to detect potentially deadly voltages.''' Use a voltmeter. Quit touching two things to see if you get shocked.

Check AC and DC voltages between the case and the ground terminal of a known good outlet. You might be surprised what you see.

Outlet testers tell you the polarity is correct, and that the ground and neutral are at the same potential.

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