Historical
NEMA ANSI C12.11:2007
Instrument Transformers For Revenue Metering, 10 Kv Bil Through 350 KV (0.6 KV NSV Through 69 KV NSV)
Covers the general requirements, metering accuracy, thermal ratings and dimensions applicable to current and inductively coupled voltage transformers for revenue metering.
Content Provider
NEMA: National Electrical Manufacturers Association [nema]