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The standard details requirements for a range of alarm systems including central station burglar alarms, police station connected alarms, local alarms, proprietary systems, holdup alarms, and digital alarm communicator system units. It also covers power supplies essential for burglar-alarm equipment operation.
[1] Federal, state, and local municipalities across the United States have adopted the NFPA 72 as a standard in the enforcement of fire code regulation. Municipalities often adopt revisions of the code after years of review and amendments, making many local fire codes specific to their governing authorities.
That creates a system whereby a city can best avoid lawsuits by adopting a single standard set of building code laws. This has led to the NEC becoming the de facto standard set of electrical requirements. [6] A licensed electrician will have spent years of apprenticeship studying and practicing the NEC requirements prior to obtaining their license.
Although an intruder alarm panel may also have these detectors connected, it may not meet all the local fire code requirements of a fire alarm system. Traditional smoke detectors are ionization smoke detectors which create an electric current between two metal plates, which sound an alarm when disrupted by smoke entering the chamber.
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Bexar County (/ b ɛər / BAIR or / ˈ b eɪ ər / ⓘ BAY-ər; Spanish: Béxar) [1] [2] is a county in the U.S. state of Texas.It is in South Texas and its county seat is San Antonio. [3]As of the 2020 census, the population was 2,009,324, making it the state's fourth-most populous county.
In September 2021, the state of California adopted Senate Bill 9 allowing the development of up to four residential units on single-family lots, following a growing push from local governments such as Berkeley (set to phase out single-family zoning by December 2022), San Jose and other cities across the state. [64]
Greater San Antonio, officially designated San Antonio–New Braunfels, is an eight-county metropolitan area in the U.S. state of Texas defined by the Office of Management and Budget (OMB). The metropolitan area straddles South Texas and Central Texas and is on the southwestern corner of the Texas Triangle.