I've run across this before - once I measured the shell of my MBP at 90 volts DC... | Hacker News

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		taneq on Nov 14, 2016 \| parent \| context \| favorite \| on: How can I avoid my MacBook Pro giving me minor sho... I've run across this before - once I measured the shell of my MBP at 90 volts DC. If you don't have access to a 3-pin charger, you could always use a separate earthing setup, such as an antistatic mat: https://en.wikipedia.org/wiki/Antistatic_device#Antistatic_m...

avn2109 on Nov 14, 2016 [–]

90 volts above earth ground? Or relative to something else?

taneq on Nov 14, 2016 | [–]

It was a long time ago, but iirc it was relative to the nearest available metal object, which I think was the metal frame of a desk. It wasn't a super rigorous test. :P

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