These requirements cover battery contactors for use in the starting systems of diesel engines driving centrifugal fire pumps, in accordance with the Standard for Centrifugal Fire Pumps, NFPA 20. These requirements cover battery contactors for use in starting systems rated 50 volts maximum.
UL 218A BULLETINS-2003 history
2018UL 218A BULLETIN-2018 UL Standard for Safety Battery Contactors for Use in Diesel Engines Driving Centrifugal Fire Pumps (COMMENTS DUE: June 11@ 2018)
1970UL 218A-2018 UL Standard for Safety Battery Contactors for Use in Diesel Engines Driving Centrifugal Fire Pumps
2012UL 218A BULLETIN-2012 UL Standard for Safety Battery Contactors for Use in Diesel Engines Driving Centrifugal Fire Pumps (COMMENTS DUE: February 12@ 2013)
2008UL 218A BULLETIN-2008 UL Standard for Safety for Battery Contactors for Use in Diesel Engines Driving Centrifugal Fire Pumps (COMMENTS DUE: October 07@ 2008)
2007UL 218A BULLETIN-2007 UL Standard for Safety for Battery Contactors for Use in Diesel Engines Driving Centrifugal Fire Pumps
2004UL 218A-2004 UL Standard for Safety Battery Contactors for Use in Diesel Engines Driving Centrifugal Fire Pumps (Third Edition; Reprint with Revisions Through and Including November 07@ 2008)
2003UL 218A BULLETIN-2003 UL Standard for Safety for Battery Contactors for Use in Diesel Engines Driving Centrifugal Fire Pumps
1994UL 218A-1994 UL Standard for Safety Battery Contactors for Use in Diesel Engines Driving Centrifugal Fire Pumps (Second Edition; Reprint with Revisions Through and Including September 26@ 1994)