ANSI C92.2-1987 Power systems; alternating-current electrical systems and equipment operating at voltages above 230 kV nominal; preferred voltage ratings
This standard provides preferred voltage ratingsabove 230 kV nominal for alternating-currentsystems and equipment.
ANSI C92.2-1987 history
1987ANSI C92.2-1987 Power systems; alternating-current electrical systems and equipment operating at voltages above 230 kV nominal; preferred voltage ratings