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C12.4-1984 - American National Standard for Mechanical Demand Registers

Description: 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 are covered. Single-pointer-form, cumulative-form, and multiple-pointer-form registers are included. Although mechanical demand registers are designed for use as accessories in watthour meters, items relating to watthour meters are not covered. You will receive an email from Customer Service with the URL needed to access this publication online.
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