ANSI C12.9:2014(R2021)
Current
Current
The latest, up-to-date edition.
American National Standard for Test Switches and Plugs for Transformer-Rated Meters
Available format(s)
Hardcopy , PDF
Language(s)
English
Published date
10-10-2021
Encompasses the dimensions and functions of meter test switches used with transformer-rated watthour meters in conjunction with instrument transformers and test plugs used in conjunction with the test switch.
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