
Transfer Switch Equipment
出版:Underwriters Laboratories

專家解讀視頻
Provides automatic, non-automatic (manual), and by-pass/isolation transfer switches intended for use in ordinary locations to provide for lighting and power as follows: a) Automatic transfer switches and by-pass/isolation switches for use in emergency systems in accordance with Articles 517-Health Care Facilities, 700-Emergency Systems, 701-Legally Required Standby Systems, and 702-Optional Standby Systems of the National Electrical Code, ANSI/NFPA 70 and the National Fire Protection Association Standard for Health Care Facilities ANSI/NFPA 99. b) Transfer switches for use in optional stand-by systems in accordance with Article 702 of the National Electrical Code, ANSI/NFPA 70.