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IEEE STANDARD

C12.11-1987 - American National Standard for Instrument Transformers for Revenue Metering, 10 kV BIL Through 350 kV BIL (0.6 kV NSV through 69 kV NSV)

Description: The general requirements, metering accuracy, thermal ratings, and dimensions are established for current and inductively coupled voltage transformers for revenue metering. Both indoor and outdoor types are covered.
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