21.   To unplug an extension cord, grasp the body of the extension-cord plug at the wall socket.

22.   Visitors can twirl around the space and zoom in on objects like a diary or a wall socket that are connected to pop-up windows filled with hyperlinked text.

23.   When the Borg visit the Starship Enterprise, they can survive simply by plugging themselves into a wall socket.

24.   People plug their regular phone line into the adaptor and then plug the adaptor into a wall socket.

25.   If the TV is not to be used for an extended period of time, unplug it from the wall socket.

26.   The clumpy insulation was seeping from a wall socket.