• TermDescription
  • Facility Code / Site Code

    In card access, a portion of the identifying characteristic of an access credential that is common to a group of users in secured facility.

  • Fail-safe

    An electric lock that automatically unlocks with any power interruptions.

  • Fail-secure

    An electric lock that requires power to unlock.

  • Fire door

    A door that has been certified as a fire and smoke barrier. Special rules govern fire doors, including permissible hardware that can be installed.

  • Form C contact

    A relay or switch mechanism that contains three terminals (normally open, common, and normally closed).