NEMA C12.9-1993
Test Switches for Transformer-Rated Meters R(1999)

Standard No.

NEMA C12.9-1993

Release Date

1993

Published By

National Electrical Manufacturers Association（NEMA)

Status

Withdraw

Replace By

NEMA C12.9-2005

Latest

NEMA C12.9-2014

NEMA C12.9-1993 history

• 2014 NEMA C12.9-2014 Test Switches and Plugs for Transformer-Rated Meters
• 2005 NEMA C12.9-2005 Test Switches for Transformer-Rated Meters
• 1993 NEMA C12.9-1993 Test Switches for Transformer-Rated Meters R(1999)