Did You Know? Members of Congress and federal employees are precluded from serving as electors in the Electoral College. The manner of choosing electors is left to the states, although the Constitution stipulates that “no Senator or Representative, or Person holding an Office of Trust or Profit under the United States, shall be appointed an Elector.”
From https://www.history.com/news/8-things-you-may-not-know-about-the-electoral-college.