NFPA 110 and its impact on transfer switching of emergency and standby power

A review of National Fire Protection Association (NFPA) 110, a standard for emergency and standby power systems, is presented with particular emphasis on transfer switching. NFPA 110 goes beyond the National Electrical Code in stipulating coordinated installation, maintenance and operational and testing requirements. It is shown how this standard is now leading to safer and more reliable emergency and standby power installations.<
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