What condition must non-fire alarm equipment meet when integrated with the fire alarm system?

When non-fire alarm equipment is integrated with a fire alarm system, it is crucial that this equipment does not negatively influence the operation of the fire alarm system itself. Ensuring that non-fire alarm equipment does not introduce grounds or short circuits is vital because such malfunctions could compromise the reliability and functionality of the fire alarm system. The fire alarm system's effectiveness hinges on its ability to promptly detect and communicate emergencies, and interference from non-fire alarm equipment can jeopardize that reliability. By meeting this condition, the fire alarm system can maintain its integrity and efficacy in providing life safety and property protection in the event of a fire.

In contrast, while some factors like independence of operation, separate monitoring, and backup power might be important for certain applications, they do not directly address the potential hazards posed by non-fire equipment on the fire alarm system's performance. Thus, the condition concerning grounds or short circuits highlights a critical aspect of the integration, ensuring that the safety systems work harmoniously without disruption.