NEMA C12.20-2015
Electricity Meters 0.1@ 0.2 and 0.5 Accuracy Classes (Incorporated Errata: March 2018)

Standard No.

NEMA C12.20-2015

Release Date

2015

Published By

NEMA - National Electrical Manufacturers Association

Latest

NEMA C12.20-2015

Scope

This standard establishes the physical aspects and acceptable performance criteria for 0.1@ 0.2@ and 0.5 accuracy class electricity meters meeting Blondel's Theorem. Where differences exist between the requirements of this standard and the most current version of ANSI C12.1 and ANSI C12.10@ the requirements of this standard shall prevail.

NEMA C12.20-2015 history

• 2015 NEMA C12.20-2015 Electricity Meters 0.1@ 0.2 and 0.5 Accuracy Classes (Incorporated Errata: March 2018)
• 2010 NEMA C12.20-2010 Electricity Meters 0.2 and 0.5 Accuracy Classes
• 2002 NEMA C12.20-2002 Electricity Meters 0.2 and 0.5 Accuracy Classes
• 1998 NEMA C12.20-1998 Electricity Meters 0.2 and 0.5 Accuracy Classes