UL 681 Installation and Classification of Burglar and Holdup Alarm Systems

standard by Underwriters Laboratories, 02/26/1999

Full Description

1.1 These requirements provide criteria for the installation of protective wiring and devices for burglar alarm systems covering premises, stockrooms, closed areas,safes, vaults, night depositories, automated teller machines, and other security containers. The amount of alarm protection installed in a system is designated as extentof protection.

1.2 Burglar-alarm systems are classified by type of system. The types of systems covered by these requirements include central station, mercantile, bank, proprietary,and national industrial security systems. Requirements for residential burglar systems are covered in the Standard for Installation and Classification of ResidentialBurglar Alarm Systems, UL 1641.

1.3 These requirements also cover the installation of holdup alarm initiating devices used to send holdup or duress signals to an off premises location.

1.4 These systems employ Class 2 remote-control and signal circuits as defined by Article 725 of the National Electrical Code, ANSI/NFPA 70.

Product Details

Edition: 13th Published: 02/26/1999 Number of Pages: 78