NEMA - ANSI C12.11
Instrument Transformers for Metering Purposes, 15 kV Less
|Publication Date:||1 January 1978|
This standard covers the general requirements, ratings, accuracy classifications, burdens, and pertinent dimensions applicable to instrument current and voltage transformers for metering purposes. Applicable items contained in American National Standard Code for Electricity Metering, ANSI C12-1975, are covered in the appendixes to this standard.