NEMA EI 21.1-1993
Instrument Transformers for Revenue Metering (110 kV BIL and Less)

Standard No.

NEMA EI 21.1-1993

Release Date

1993

Published By

National Electrical Manufacturers Association（NEMA)

Status

Withdraw

Latest

NEMA EI 21.1-1993

NEMA EI 21.1-1993 history

• 1993 NEMA EI 21.1-1993 Instrument Transformers for Revenue Metering (110 kV BIL and Less)
• 1983 NEMA EI 21.1-1983 INSTRUMENT TRANSFORMERS FOR REVENUE METERING 110 KV BIL AND LESS (RESCINDED)