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The secondary power supply is a crucial component of a fire alarm system, ensuring that the system remains operational in the event of a primary power failure. According to industry standards, such as those outlined in the National Fire Protection Association (NFPA) codes, the requirement for the secondary power supply is to provide power within a specified time frame to maintain system functionality.
In the context of fire alarm systems, a response time of 10 seconds is considered essential. This is because, in emergency situations, every second counts, and a quick transition to secondary power helps to ensure that life safety systems are active without delay. The 10-second window is mandated to provide a seamless shift in power, allowing the system to continue monitoring and alerting without interruption.
This requirement emphasizes the importance of reliability and preparedness in fire alarm systems, where the ability to respond quickly in emergencies is paramount. Having a secondary power supply ready to take over within 10 seconds ensures that essential functions, such as alarms and notifications, continue to operate effectively, safeguarding lives and property.