A misconduct penalty is called on a player who performs an action that is not allowed in the game. It calls for the offending player to leave the ice for 10 minutes. A substitute player can come onto the ice to replace him. Goalkeepers will never serve time in the penalty box for a misconduct penalty, a substitute will take his spot in the box.
There are lots of penalties in ice hockey. A misconduct penalty ranks as one of the more severe penalties in the sport, especially since the consequences are so bad. Here is a complete list of penalties in hockey.