ANSI C12.9-2014 covers the dimensions and functions of meter test switches for transformer-rated watthour meters when used in conjunction with instrument transformers. It also adds specifications for test jacks used in conjunction with the test switches. These additions ensure that test jacks used in conjunction with switches meeting this standard will operate properly and safely.
ANSI C12.9-2014 (R2021) History
ANSI C12.9-2014 (R2021)
$55.00 $110.00
ANSI C12.9-2005
$40.00 $80.00
More Standards PDF
ANSI H35.2M-2013
$40.00 $80.00
ANSI H35.2-2013
$40.00 $80.00
AIAA S-133-5-2013
$23.00 $46.00
ANSI H35.1/H35.1M-2013
$40.00 $80.00