NEMA C84.1:2011:2012 Edition
$29.25
Electric Power Systems and Equipment – Voltage Ratings (60 Hz)
Published By | Publication Date | Number of Pages |
NEMA | 2012-01-01 | 23 |
Establishes nominal voltage ratings and operating tolerances for 60-hertz electric power systems above 100 volts. It includes preferred voltage ratings up to and including 1200 kV maximum system voltage.