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NEMA C12.31G TR:2024

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by

Guide for the Measurement of Voltage, Current, Power, Energy, and Power Factor

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

31-01-2024

Superseded date

23-04-2026

Superseded by

NEMA C12.31G-TR:2026

$233.71
Including GST where applicable

This document establishes standard definitions for the measurement of AC, DC, and AC+DC voltage; current; electrical power (active, reactive, and apparent); AC electrical energy (active, reactive, and apparent); and power factor in terms of sampled voltage and current measurements.

DocumentType
Technical Report
Pages
60
PublisherName
National Electrical Manufacturers Association
Status
Superseded
SupersededBy

IEC 62053-23:2020 Electricity metering equipment - Particular requirements - Part 23: Static meters for reactive energy (classes 2 and 3)
IEC 61000-4-7:2002 Electromagnetic compatibility (EMC) - Part 4-7: Testing and measurement techniques - General guide on harmonics and interharmonics measurements and instrumentation, for power supply systems and equipment connected thereto
ISO/IEC 14882:2020 Programming languages — C++

$233.71
Including GST where applicable