plug into something phrasal verb ( see also ↑ plug )
1 . plug (something) into something to connect one piece of electrical equipment to another, or to be connected:
Your phone can be plugged into the cigarette lighter socket in your car.
Games consoles plug into the back of the TV.
2 . informal to realize that something is available to be used and use it:
A lot of students don’t plug into all the research facilities we have.