Underwriters Laboratories (UL) is an independent safety science company that develops safety-related standards and tests products to determine whether they meet a specific standard measure to be certified as UL-listed. There are various UL standards related to security systems or their components, such as UL 1076, the Standard of Safety for Proprietary Alarm Units.
Velocity is a flexible software that can control various hardware components, enabling you to design a custom system that meets your particular security needs. This topic provides information about designing creating a security system using Velocity software and DIGI*TRAC hardware that meets specific UL standards.
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Wiring methods shall be by the National Electrical Code (ANSI/NFPA70), Canadian Electrical Code (C22.1), local codes, and the authorities having ' jurisdiction. All cabling and wire used must be Listed or Recognized AWM wire, suitable for the application. Class 2 or 3 conductors must be segregated from electric light, power, Class 1 conductors, non-Class 2 or 3 signaling conductors, battery backup, and medium-power network-powered broadband communications-circuit conductors.
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For proprietary burglary system use, all status changes at the protected premise must be programmed to cause both an audible and a visual annunciation at the central receiving station, and an . An acknowledgment signal and local annunciation must be programmed from the central receiving station to the protected premise.
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