American National Standard for Registers—Mechanical Demand
ANSI C12.4-1984 (R2002, R2011) [BUY]
Covers the voltage and frequency rating, full-scale values, scale classes, demand intervals, multiplying constants, timing mechanism and other general features of mechanical demand registers required for use on watthour meters.
Published Date: Jan.6.2012
ANSI C12.4-1984 (R2002, R2011)