Comment Dangerous if done wrong (Score 2) 271
If you just try to plug this into a wall socket, you could feed electricity out of your house into the power lines people are working on. Something that idiots installing home-center purchased generators have been known to do.
This is why when power generators are properly installed, they use cutoffs and safety switches between the house and the main utility meter to prevent back feeding power into the grid when nothing is coming in.
Anyone that does this should only run a line from the car to an outlet strip to power a few critical items, unless a proper system is installed and inspected to prevent that back-feed.