plugged in
adjective
°(uncomparable of an electric device) With it's plug properly connected to the electric plug socket.
"Check if the television is plugged in."
°(colloquial by extension) Fully aware; in a state of keeping up with current information about a topic; engaged wholeheartedly in a task or cause; connected; informed; involved.
"By subscribing to this magazine, you can stay plugged in to current issues."
verb
°past tense of plug in.
"I plugged in the television."