UL-1573 Complete Document History
Standard for Stage and Studio Luminaires and Connector Strips

Complete Current Edition:
   4TH EDITION - STAGE & STUDIO LIGHTING UNITS - May 29, 2003
   CHANGE 06/09 - REVISION CHANGE - CODE A - June 3, 2009
   CHANGE 02/10 - REVISION CHANGE - CODE A - Feb. 11, 2010
   CHANGE 01/14 - REVISION CHANGE - CODE A - Jan. 17, 2014
   CHANGE 12/16 - REVISION CHANGE - CODE A - Dec. 22, 2016
   CHANGE 01/19 - REVISION CHANGE - CODE A - Jan. 22, 2019
   CHANGE 07/23 - REVISION CHANGE - CODE A - July 20, 2023

Obsolete Revision Information:
   3RD EDITION - STAGE & STUDIO LIGHTING UNITS - Oct. 28, 1996
   CHANGE 02/95 - REVISION CHANGE - CODE A - Feb. 21, 1995
   2ND EDITION ERRATA - SUBJECT - Oct. 26, 1994
   2ND EDITION - STAGE & STUDIO LIGHTING UNITS - Feb. 28, 1994
   1ST EDITION - STAGE & STUDIO LIGHTING UNITS - Jan. 1, 1985