ANSI-C136.21 Complete Document History
American National Standard for Roadway and Area Lighting Equipment - Vertical Tenons Used with Post Top++mounted Luminaires

Complete Current Edition:
   2014 EDITION - Used with Post Topvmounted Luminaires - Jan. 1, 2014

Obsolete Revision Information:
   2004 EDITION - REAFFIRMED IN 2009 - Jan. 1, 2004
   DOD ADOPTION - FYI ONLY: DOD ADOPTED - April 4, 1995
   1987 EDITION - REAFFIRMED IN 1997 - Dec. 23, 1986