ANSI C12.9-2005
Test Switches for Transformer-Rated Meters

Standard No.

ANSI C12.9-2005

Release Date

2005

Published By

American National Standards Institute （ANSI)

Status

Be replaced

Replace By

ANSI C12.9-2014

Latest

ANSI C12.9-2014

Scope

Intended to encompass the dimensions and functions of meter test switches used with transformer-rated watthour meters in conjunction with instrument transformers.

ANSI C12.9-2005 history

• 1970 ANSI C12.9-2014 Test Switches and Plugs for Transformer-Rated Meters
• 2005 ANSI C12.9-2005 Test Switches for Transformer-Rated Meters