Measuring and Metering

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  1. MOST RECENT

    NEMA ANSI C12.7-2022

    American National Standard Requirements for Watthour Meter Sockets

    standard by National Electrical Manufacturers Association, 03/14/2023.

    Languages: English

  2. MOST RECENT

    NEMA ASHRAE P90.1-2019

    A NEMA White Paper: ASHRAE 90.1-2016 Building Submetering Requirements

    standard by National Electrical Manufacturers Association, 11/01/2019.

    Languages: English

  3. ANSI C12.10-2011 (R2021)

    American National Standard for Physical Aspects of Watthour Meters-Safety Standard

    standard by American National Standards Institute, 06/28/2011.

    Languages: English

    Historical Editions: ANSI C12.10-2004

  4. HISTORICAL

    ANSI C12.1-2008

    This document has been replaced. View the most recent version.

    Code for Electricity Metering

    standard by American National Standards Institute, 06/27/2008.

    Languages: English

    Historical Editions: ANSI NEMA C12.1-2024ANSI C12.1-2022ANSI C12.1-2014

  5. ANSI C12.18-2006 (R2023)

    American National Standard for Protocol Specification for ANSI Type 2 Optical Port

    standard by American National Standards Institute, 05/02/2006.

    Languages: English

  6. HISTORICAL

    ANSI C12.19-2012

    This document has been replaced. View the most recent version.

    American National Standard for Utility Industry End Device Data Tables

    standard by American National Standards Institute, 10/02/2014.

    Languages: English

    Historical Editions: ANSI C12.19-2021ANSI C12.19-2008IEEE 1377/C12.19-1997

  7. ANSI C12.19-2021

    American National Standard for Utility Industry End Device Data Tables

    standard by American National Standards Institute, 10/18/2021.

    Languages: English

    Historical Editions: ANSI C12.19-2012ANSI C12.19-2008IEEE 1377/C12.19-1997

  8. HISTORICAL

    ANSI C12.20-2010

    This document has been replaced. View the most recent version.

    American National Standard for Electricity Meters 0.2 and 0.5 Accuracy Class

    standard by American National Standards Institute, 08/31/2010.

    Languages: English

    Historical Editions: ANSI C12.20-2015ANSI C12.20-2002

  9. ANSI C12.20-2015

    American National Standard for Electricity Meters - 0.1, 0.2, and 0.5 Accuracy Classes

    standard by American National Standards Institute, 04/01/2017.

    Languages: English

    Historical Editions: ANSI C12.20-2010ANSI C12.20-2002

  10. ANSI C12.21-2006 (R2023)

    Protocol Specification for Telephone Modem Communication

    standard by American National Standards Institute, 05/02/2006.

    Languages: English