What must be included for elevators used for evacuation during a non-fire emergency?

For elevators used for evacuation during a non-fire emergency, a two-way voice communication system is essential. This system allows constant communication between the individuals inside the elevator and emergency responders or command centers. In non-fire emergencies, the ability to communicate effectively can be critical in ensuring the safety of those using the elevators. It facilitates real-time updates, provides reassurance to evacuees, and allows emergency personnel to monitor situations and respond quickly if needed.

Having a two-way voice communication system addresses the unique challenges posed during an emergency where immediate assistance might be required, making it an essential feature for safe evacuation procedures. This ensures that occupants can report their status and receive instructions while in transit, thereby creating a safer environment during potentially chaotic situations.

The other options, while important for general safety and compliance, do not specifically address the immediate need for communication that could be critical during an evacuation. Regular inspections ensure the elevator's operational safety, while signage and extra staffing assist with clarity and support but do not provide the immediate communication necessary in an emergency context.