Electrical Business

NEMA publishes ANSI C84.1-2011 for 60Hz electric power systems

February 3, 2012 – The National Electrical Manufacturers Association (NEMA) has published ANSI C84.1 Electric Power Systems and Equipment – Voltage Ratings (60 Hertz), a standard which establishes nominal voltage ratings and operating tolerances for 60Hz electric power systems above 100 volts. It includes preferred voltage ratings up to and including 1200 kV maximum system voltage, as defined in the standard. CLICK HERE to view the contents and scope of C84.1-2011.


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