NEMA EI 21.1-1993 (R2002)
$55.00
Instrument Transformers for Revenue Metering (110 kV BIL and Less)
NEMA EI 21.1-1993 (R2002) covers general requirements, ratings, accuracy classifications, burdens and pertinent dimensions applicable to instrument current and voltage transformers for revenue metering rated 110 kV BIL and less.
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