UL 1778-1994
Uninterruptible power supply equipment

Standard No.

UL 1778-1994

Release Date

1994

Published By

Underwriters Laboratories (UL)

Status

Be replaced 2002-03

Replace By

UL 1778 BULLETINS-2000

Latest

UL 1778 BULLETIN-2017

UL 1778-1994 history

• 2017 UL 1778 BULLETIN-2017 UL Standard for Safety Uninterruptible Power Systems (COMMENTS DUE: SEPTEMBER 11@ 2017)
• 2017 UL 1778-2017 UL Standard for Safety Uninterruptible Power Systems (Fifth Edition; Reprint with revisions through and including October 12@ 2017)
• 2016 UL 1778 BULLETIN-2016 UL Standard for Safety Uninterruptible Power Systems (COMMENTS DUE: JANUARY 9@ 2017)
• 2014 UL 1778 BULLETIN-2014 UL Standard for Safety Uninterruptible Power Systems (COMMENTS DUE: April 07@ 2014)
• 2014 UL 1778-2014 UL Standard for Safety Uninterruptible Power Systems (Fifth Edition; Reprint with revisions through and including August 7, 2015)
• 2009 UL 1778 BULLETIN-2009 UL Standard for Safety Uninterruptible Power Systems (COMMENTS DUE: December 18@ 2009)
• 2008 UL 1778 BULLETIN-2008 UL Standard for Safety Uninterruptible Power Systems COMMENTS DUE: APRIL 11, 2008
• 2006 UL 1778 CRD-2006 UL Standard for Safety Uninterruptible Power Systems - Section / Paragraph Reference: N/A (Edition 4: September 15@ 2005)
• 2005 UL 1778 BULLETIN-2005 UL Standard for Safety Uninterruptible Power Systems
• 2005 UL 1778-2005 Uninterruptible power systems
• 2004 UL 1778 BULLETINS-2004 04/13/2004 (20p)
• 2003 UL 1778-2003 UL Standard for Safety Uninterruptible Power Systems (Third Edition)
• 2002 UL 1778 PROPOSED-2002 (DRAFT) UL Standard for Safety Uninterruptible Power Supply Equipment Proposed Third Edition; Comments Due by January 24, 2003
• 2002 UL 1778 BULLETIN-2002 UL Standard for Safety Uninterruptible Power Systems
• 2000 UL 1778 BULLETINS-2000 UL Standard for Safety Uninterruptible Power Systems (09/25/2000 (56p); 07/05/2000 (4p))
• 1994 UL 1778-1994 Uninterruptible power supply equipment