This isn’t the outlet, it’s the plug that goes into the outlet. Presuming you had it would fit into (the plugs are oriented wrong), it would be about as safe as shoving a fork in instead.

Deleted, replied to the wrong comment.

White, black, and green coming up the wire. Black to black, white to white, green to ground (not applicable with this type of plug). As wired it would flip the circuit breaker virtually instantly but, if you are really lucky, electrocute you or start a fire with that extra green cord sticking out.

Most locksmiths aren’t at their level…

I’m trying Linux for the first time as soon as a serving hard drive arrives, bookmarking this thread!

That article makes it clear it is less harmful.