UL 778-2016
UL Standard for Safety Motor-Operated Water Pumps (Sixth Edition)

Standard No.

UL 778-2016

Release Date

2016

Published By

Underwriters Laboratories (UL)

Status

Be replaced 2016-10

Replace By

UL 778 BULLETIN-2016

Latest

UL 778-2021

Scope

These requirements cover submersible and nonsubmersible motor-operated pumps intended to be used in ordinary locations in accordance with the National Electrical Code@ NFPA 70. These requirements do not cover pumps rated more than 600 volts@ pumps using universal motors rated more than 250 volts@ pumps for fire protection service@ pumps for use as or with swimming or wading pool equipment@ therapeutic baths@ and similar equipment@ nor pumps covered by other individual requirements. These requirements do not cover pressure controls or pressure tanks that are intended for use in water or other liquid systems. These requirements do not cover pumps intended for corrosive or flammable fluids. These would include but not be limited to gasoline@ kerosene@ oil@ chemicals@ and pesticides. A pump not covered by any of the definitions in Definitions@ Section 4@ and a pump intended for use with liquids other than water@ shall be evaluated on the basis of its compliance with the requirements in this standard@ and further examination and tests required to determine whether it is acceptable for the purpose. This would include but not be limited to pumps intended for water/glycol and similar mixtures intended for use in hot water radiant heating or thermal solar applications.

UL 778-2016 history

• 2021 UL 778-2021 UL Standard for Safety Motor-Operated Water Pumps (Sixth Edition; Reprint with revisions through and including October 20@ 2017)
• 2018 UL 778 CRD-2018 UL Standard for Safety Motor-Operated Water Pumps - Section / Paragraph Reference: 41.1@ 41.2@ 55 Subject: Add DC Test Potential of Dielectric Voltage Withstand Test. (Edition 6: July 7@ 2016)
• 2018 UL 778 BULLETIN-2018 UL Standard for Safety Motor-Operated Water Pumps (COMMENTS DUE: October 15@ 2018)
• 2017 UL 778 BULLETIN-2017 UL Standard for Safety Motor-Operated Water Pumps (COMMENTS DUE: August 7@ 2017)
• 2016 UL 778 BULLETIN-2016 UL Standard for Safety Motor-Operated Water Pumps (COMMENTS DUE: November 7@ 2016)
• 2016 UL 778-2016 UL Standard for Safety Motor-Operated Water Pumps (Sixth Edition)
• 2015 UL 778 BULLETIN-2015 UL Standard for Safety Motor-Operated Water Pumps (COMMENTS DUE: June 8@ 2015)
• 2014 UL 778 BULLETIN-2014 UL Standard for Safety Motor-Operated Water Pumps (COMMENTS DUE: March 10@ 2014)
• 2013 UL 778 CRD-2013 UL Standard for Safety Motor-Operated Water Pumps - Section / Paragraph Reference: 49 Subject: Label permanency – Use of flag/tag type markings (Edition 5: February 22@ 2010)
• 2013 UL 778 BULLETIN-2013 UL Standard for Safety Motor-Operated Water Pumps (COMMENTS DUE: September 11@ 2013)
• 2012 UL 778 BULLETIN-2012 UL Standard for Safety Motor-Operated Water Pumps (COMMENTS DUE: April 23@ 2012)
• 2011 UL 778 BULLETIN-2011 UL Standard for Safety Motor-Operated Water Pumps (COMMENTS DUE: January 30@ 2012)
• 2010 UL 778 BULLETIN-2010 UL Standard for Safety Motor-Operated Water Pumps (COMMENTS DUE: July 26@ 2010)
• 2010 UL 778-2010 UL Standard for Safety Motor-Operated Water Pumps (Fifth Edition; Reprint with revisions through and including August 25@ 2011)
• 2009 UL 778 BULLETIN-2009 UL Standard for Safety Motor-Operated Water Pumps (COMMENTS DUE: October 12@ 2009)
• 2005 UL 778 BULLETIN-2005 UL Standard for Safety Motor-Operated Water Pumps
• 2004 UL 778 BULLETINS-2004 UL Standard for Safety Motor-Operated Water Pumps (10/11/2004 (8p); 08/06/2004 (10p); 07/23/2004 (10p); 05/19/2004 (22p))
• 2002 UL 778 BULLETINS-2002 6/7/2002 (4p)
• 2002 UL 778 BULLETIN-2002 UL Standard for Safety Motor-Operated Water Pumps
• 2002 UL 778-2002 Motor-operated water pumps
• 2001 UL 778 BULLETINS-2001 UL Standard for Safety Motor-Operated Water Pumps (08/27/2001 (14p); 06/22/2001 (12p))
• 1996 UL 778-1996 UL Standard for Safety Motor-Operated Water Pumps (Third Edition; Reprint with Revisions Through and Including August 27@ 2002)
• 1991 UL 778-1991 UL Standard for Safety Motor-Operated Water Pumps (Second Edition; Reprint with revisions through and including September 30@ 1994)