Final answer:
According to NFPA 72, the fire alarm signal takes precedence over all other types of alarm signals, as it is crucial for the safety and prompt evacuation in the event of a fire.
Step-by-step explanation:
According to NFPA 72, which is the National Fire Alarm and Signaling Code, the type of alarm signal that takes precedence over all others is a fire alarm signal. This code stipulates that fire alarm signals must be prioritized to ensure the safety of occupants in the event of a fire. The prompt evacuation and response that a fire alarm signal facilitates are critical for protecting life and property. Hence, NFPA 72 requires that systems be designed so that these signals override any other non-fire alarms, such as security or medical alerts.