How often should the performance of fire alarm systems be tested according to NFPA 72?

The correct choice is that fire alarm systems should be tested annually in accordance with NFPA 72. This standard, which provides guidelines for the installation, performance, and maintenance of fire alarm systems, emphasizes the importance of regular testing to ensure that these systems function correctly when needed. Annual testing helps to confirm that all components, including control panels, detectors, alarms, and intercom systems, operate as intended.

While certain aspects of fire alarm system maintenance may require more frequent inspections or testing, the comprehensive performance testing needed to verify the system's overall functionality is mandated to occur on an annual basis. Such testing includes reviewing documentation, ensuring that all connections are secure, and conducting operational tests to evaluate system alarms and responses. Following this schedule is critical in upholding safety standards and ensuring compliance with fire codes.

Other frequencies, such as quarterly, biannually, or monthly, pertain to specific maintenance tasks or checks rather than the comprehensive performance test required by NFPA 72. Therefore, adhering to an annual testing schedule aligns with both best practices and regulatory expectations regarding fire alarm systems.