Extremely rare. More likely to trip over a cord and pull it out of the socket at some junction, causing a blackout through sheer incompetence, given the state of the power grid. Hell, hackers get every fucking moron to click links, giving them access to entire companies everyday.

"Oh, I just got an important notice about my google card from an email that ends in chinese characters. Better click the link and enter personal information to find out if I've been hacked!"