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A comment on How can I avoid my MacBook Pro giving me minor shocks?. Parent comment

Re:How can I avoid my MacBook Pro giving me minor shocks? by dogma1138 on Sunday November 13, 2016 @09:01PM (#12947005)
You are probably connected to poorly grounded socket or a socket where hot and ground were switched.

I had a grounding issue and I used to get shocked by my tower all the time, this is pretty common.

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Re:How can I avoid my MacBook Pro giving me minor shocks? by derekp7 on Sunday November 13, 2016 @11:14PM (#12947518)
Same here, with some PCs back in a shop area. Come to find out, the outlets weren't getting a good ground due to painted conduit. And without a good ground, a cheap surge suppressor ended up dumping about 30 volts into the ground pin.
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