Are level 1 & level 2 EES's referred to in NFPA 110 the same thing as a type 1 & type 2 EES's in NFPA 99? I guess I'm asking if the terms "Level" and "Type" are interchangeable.
Maybe two different terms??
These are two different terms. Type 1 and Type 2 EES are defined by their requirements in NFPA 99 and both are required to be Level 1 per NFPA 110. NFPA 110 defines Level 1 and 2 generators. In NFPA 99 it consists of the generator and the entire downstream distribution system. In NFPA 110 it is specific to the generator system.
18.104.22.168.4.1 Type 1 and Type 2 essential electrical system powersources shall be classified as Type 10, Class X, Level 1 generatorsets per NFPA 110.
4.4* Level. This standard recognizes two levels of equipmentinstallation, performance, and maintenance.4.4.1* Level 1 systems shall be installed where failure of theequipment to perform could result in loss of human life or seriousinjuries.4.4.2* Level 2 systems shall be installed where failure of theEPSS to perform is less critical to human life and safety.
Excellent description. Thank you
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