![]() This is especially critical in avoiding panic or injuries when large or densely occupied facilities have to be vacated. The two-hour rule means the system will continue to operate long enough for occupants to evacuate the premises in an orderly fashion. #Evac system code#Survivability key to reliabilityĬabling infrastructure survivability codes and standards have been established by the National Fire Protection Agency (NFPA) and its National Electrical Code (NEC) to govern the performance, circuit integrity and safe installation of alarm system circuits in commercial and industrial facilities.ĬI and CIC cable, such as this one from Belden’s New Generation family of Safe-T-Line cables, are designed to provide sustained operation and survivability in the event of fire and other emergency situations.įor example, the NEC has a two-hour fire alarm survivability requirement that calls for cabling supporting fire alarm and emergency voice-alarm communications (EVAC) systems to be able to provide two hours of fire-resistive survivability in the event of fire or other disaster. Failure of a fire alarm and life safety network infrastructure, however, poses an even greater risk because even a single disastrous incident can result in injury or loss of human life and property. Every enterprise-wide electronic communication system, including voice/data/video, instrumentation and control, wireless and others, relies on the soundness of its infrastructure to prevent unexpected downtime and possible loss of data. ![]() One factor sometimes overlooked in the evaluation process is the signal transmission backbone-the cabling infrastructure-supporting the fire/life safety system. Because fire and life safety systems are vital to protecting people, property and assets, organizations most likely devote much time and care in choosing an alarm system suitable for the property size and configuration-whether a high-rise office building, a sprawling shopping mall, a busy hospital or a manufacturing plant. Installing a reliable and effective fire alarm system is of critical importance to owners, managers and tenants of commercial, government and industrial facilities. CI and CIC are proving to be practical solutions for buildings today. ![]()
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