IEEE-C37.20.4 › Complete Document History
IEEE Standard for Indoor AC Switches (1 kV to 38 kV) for Use in Metal-Enclosed Switchgear

Complete Current Edition:
   2013 EDITION - PAPER FORMAT ONLY - May 13, 2013

Obsolete Revision Information:
   2001 EDITION - INDOOR AC SWITCHES (1KV-28KV) - Aug. 10, 2001
   FOR 2000 DRAFT SEE - IEEE-PC37.20.4 - June 1, 2000
   FOR 1999 DRAFT SEE - IEEE-PC37.20.4 - Aug. 1, 1999
   1996 EDITION - TRIAL USE STANDARD FOR INDOOR - Jan. 1, 1996