NEMA EI 21.1-1993 (R2002)
- Instrument Transformers for Revenue Metering (110 kV BIL and Less)
- standard by National Electrical Manufacturers Association, 01/01
- Category: NEMA
$99.00
$50.00
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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