What aspect of the Essential Electrical System ensures safety in case of a power failure?

The life safety branch of the Essential Electrical System is specifically designed to ensure safety during a power failure by providing power to critical systems that protect life and property. This includes systems such as emergency lighting, fire alarm systems, and other life-sustaining equipment that must remain operational during an electrical outage.

In the context of healthcare facilities, maintaining operational readiness for these systems is paramount for ensuring the safety of patients, staff, and visitors. The life safety branch is prioritized in the event of an emergency, to alert and assist in evacuation, maintain visibility, and support essential medical operations, thereby directly contributing to the overall safety of the facility.

Other branches such as the control, lighting, and equipment branches serve important functions but are primarily focused on supporting the normal operation of the facility and enhancing productivity rather than ensuring safety specifically during power failures.