A fire alarm system needs to be what to be effective?

For a fire alarm system to be effective, it needs to be automatically able to communicate with emergency services. This capability ensures that, in the event of a fire, help is dispatched without delay or reliance on human intervention. When an alarm is triggered, an automatic signal can alert fire departments, leading to quicker response times and potentially saving lives and property.

The integration of automatic communication enhances the reliability of the fire alarm system significantly, as it operates independently of the occupants' actions. This feature is critical in situations where residents may not be able to call for help themselves due to smoke, disorientation, or evacuation efforts.

While other aspects like manual controls, constant monitoring by residents, and incorporation into the building's structure may contribute to a fire alarm system's overall effectiveness, they do not replace the necessity for direct communication with emergency services. Having an automatic system in place is foundational for ensuring prompt action is taken when a fire is detected.