Customer Support: 131 242

  • Shopping Cart
    There are no items in your cart
We noticed you’re not on the correct regional site. Switch to our AMERICAS site for the best experience.
Dismiss alert

ANSI C12.8:1981(R2012)

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by

American National Standard for Test Blocks and Cabinets for Installation of Self-Contained A-Base Watthour Meters

Available format(s)

Hardcopy , PDF

Superseded date

28-10-2021

Superseded by

ANSI C12.8:1981(R2021)

Language(s)

English

Published date

04-10-2021

1 Scope
2 Definitions
3 Standard ratings
3.1 Current
3.2 Voltage
4 General requirements
4.1 Spacings
4.2 Temperature rise
4.3 Assembly bolts
4.4 Connectors
4.5 Connector nuts
4.6 Test clips
4.7 Barriers
4.8 Disconnect device
4.9 Material of base
4.10 Mounting holes
5 Test-block dimensions and configurations
5.1 Dimensions
5.2 Test-block figures
6 Test-block cabinets
6.1 Dimensions for indoor test-block cabinets
6.2 Cabinet cover
6.3 Cabinet material
6.4 Cabinet construction
Figures
1 100 A test block, line-load
2 100 A test block, line-line-line-load-load-load
3 200 A test block, line-load
4 200 A test block, line-load, alternate
      construction
5 Neutral block
6 Indoor test-block cabinet for two- and three-pole
      test blocks
7 Indoor test-block cabinet for two- and three-pole
      test blocks
Table
1 Minimum spacings

Covers the dimensions and functions of test blocks and cabinets used in self-contained A-base watthour meters.

DocumentType
Standard
Pages
0
PublisherName
National Electrical Manufacturers Association
Status
Superseded
SupersededBy

IEEE 3001.8-2013 IEEE Recommended Practice for the Instrumentation and Metering of Industrial and Commercial Power Systems

$105.26
Including GST where applicable

Access your standards online with a subscription

Features

  • Simple online access to standards, technical information and regulations.

  • Critical updates of standards and customisable alerts and notifications.

  • Multi-user online standards collection: secure, flexible and cost effective.