In the past few years, they’ve all caused power outages.
So have snakes, squirrels, seagulls, and a criminal fleeing the police.
One high profile power outage was even caused by a device that was installed specifically to prevent a power outage.
We take power availability for granted, but turns out it’s not that easy to keep the lights on.
Eaton Corporation, a power management company, put together a list of strange things that caused power outages in 2012, and we’ve added a couple of more recent ones to the list.