TYPE 1 AND 3 EES POWER SOURCE CLASSIFICATIONS FOR AN ASC

NFPA 99 refers to NFPA 111 and 110 to define the classifications of alternative power sources and generators.
Type 1 and 2 essential electrical systems consist of a Type 10, Class X, Level 1 System per NFPA 110 The system for a Type 3 essential electrical system is classified as a Type 10, Class X, Level 2. The following is what these Levels, classes and types are: