Which aspect is NOT included in the reliability of fire protection systems?

In the context of fire protection systems, reliability refers to the ability of these systems to perform effectively when needed. Proper design, regular inspection and testing, and proper installation are all foundational elements that contribute directly to the reliability of fire protection systems.

Proper design ensures that the system is capable of addressing specific fire risks based on the environment it is meant to protect. Regular inspection and testing are essential for verifying that the system functions correctly and remains in good working order over time, detecting any potential issues before they affect performance. Proper installation ensures that all components are correctly integrated and operational according to specifications and regulatory standards.

In this context, effective training, while incredibly important for ensuring that personnel understand how to operate and maintain fire protection systems effectively, does not directly affect the inherent reliability of the systems themselves. Therefore, it is not typically categorized as a factor that contributes to the reliability of the fire protection systems, making it the aspect that is excluded from considerations of system reliability.