What must the watchperson verify regarding the alarm system at a construction site?

The verification of the alarm system being connected to an active, dedicated power supply is crucial for the safety and security of a construction site. This connection ensures that the alarm system remains operational at all times, especially during emergencies when it is most needed. A dedicated power supply reduces the risk of interruptions due to power outages or interference from other electronic systems, providing reliability in alerting personnel to any hazards or unauthorized access.

While other aspects, such as testing frequency, backup power supply, and certification of installation, are important for an alarm system's efficacy and regulatory compliance, the assurance of a dedicated power supply directly impacts the system's immediate functionality. If the primary power source fails or is disconnected, the alarm system may not function at all, which could lead to significant safety risks on the construction site. Thus, verifying that the alarm system is connected to a dedicated power source is a fundamental responsibility of the watchperson to ensure the ongoing safety of the site.