Essential Electrical Systems for Hospitals Shall Be Comprised of ____

Multiple Choice

Essential electrical systems for hospitals shall be comprised of ____ capable of supplying a limited amount of lighting and power service that is considered essential for life and safety and effective hospital operation during the time the normal electrical service is interrupted for any reason.

A) two separate branches, which are both
B) three separate branches, which are all
C) one complete branch and an emergency auxiliary branch
D) four separate branches (two for lights and two for power service)