UL-857 Complete Document History
Busways

Complete Current Edition:
   13TH EDITION - Busways - March 25, 2009
   CHANGE 12/11 - REVISION CHANGE - CODE G - Dec. 9, 2011
   CHANGE 08/16 - REVISION CHANGE - CODE G - Aug. 23, 2016
   CHANGE 04/21 - REVISION CHANGE - CODE D - April 9, 2021

Obsolete Revision Information:
   CHANGE 11/02 - CHANGE 11/20 FOR 12TH EDITION - Nov. 18, 2002
   12TH EDITION - BUSWAYS - Jan. 15, 2001
   11TH EDITION - BUSWAYS & ASSOCIATED FITTINGS - Jan. 1, 1994
   1990 EDITION - BUSWAYS AND ASSOCIATED FITTING - Jan. 1, 1990