(1) That applying the requirements of this standard to systems classed as optional standby is not mandatory. The 1996 edition of NFPA 110 included, but was not limited to, the following changes: monthly load testing requirements for generator sets were changed, including taking into consideration wet stacking definitions were added for various kinds of fuel tanks types of fuel tanks and spillage considerations were added restrictions on the types of batteries that can be used were added the minimum number of cranks, including time-outs, that an engine must be capable of completing was clarified cooling system requirements were clarified working space requirements were added and the issue of timing devices in health care facilities for testing a generator was clarified. Emergency and Standby Power systems, allows the option of full load rated power factor testing either at. A standby power system may include a standby generator, batteries and other apparatus. The standard does not require the installation of emergency and standby power supply systems. An emergency power system is an independent source of electrical power that supports important electrical systems on loss of normal power supply. NFPA does not, by the publication of its codes, standards, recommended practices, and guides, intend to urge action that is not in compliance with applicable laws, and these docu- ments may not be construed as doing so. This PDF contains the complete 2013 edition of NFPA 110, Standard for Emergency and Standby Power Systems, annotated to assist the reader’s understanding of the standard’s language and the intent behind it.
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