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These requirements cover construction, performance, and maintenance of police station connected burglar-alarm units and systems for use in mercantile premises,mercantile safes and vaults, and bank safes and vaults.
As covered by these requirements, a police station connected alarm system consists of protective circuits and devices, connected through control apparatus to anenclosed tamper-protected sounding device mounted on an outside or inside wall of the building in which the protected property is situated, and a constantly-mannedpolice department (see 1.8 and 52.1). Intrusion into or disturbance of the units or wiring causes the sounding device to be actuated and a signal to be transmitted tothe police department. The sounding device and signal to the police department continue to operate until it is stopped by using the proper control key, by exhaustionof the power supply, or by action of an automatic timing element that is preset for a definite operating period. These systems usually operate within the limits of Class2 remote control and signal circuits as defined by Article 725 of the National Electrical Code, NFPA 70.
The operation of a police station connected alarm system is partially under the control and domination of the owner or others interested in the property. However, itis required that police station connected systems be maintained under the care and regular inspection service of the installing company. The installing company isexpected to respond promptly to troubles or calls for service on report of the owner or police department. See Mercantile Premises Alarm Systems, Maintenance,Section 65 and Bank Safe and Vault Alarm Syst ems, Maintenance, Section 75. It is the responsibility of the owner to switch the system on and off duty and toreport malfunctioning of the system to the service company.
Product Details
- Edition:
- 5
- Published:
- 01/31/2018
