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ANSI C57.13

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ANSI C57.13 78th Edition, January 1, 1978 STANDARD REQUIREMENTS FOR INSTRUMENT TRANSFORMERS (R 1986)

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Description / Abstract: This standard is intended for use as a basis for performance, interchangeability, and safety of equipment covered, and to assist in the proper selection of such equipment.

This standard covers certain electrical, dimensional, and mechanical characteristics, and takes into consideration certain safety features of current and inductively coupled voltage transformers of types generally used in the measurement of electricity and the control of equipment associated with the generation, transmission, and distribution of alternating current.