UL 427-2006 PDF

Scope: These requirements cover refrigerating units intended for connection in accordance with the National Electrical Code@ NFPA 70@ to alternating-current (ac) circuits rated not greater than 600 volts. Refrigerating units covered by these requirements employ sealed@ hermetic-type motor compressors@ and air- or water-cooled condensers. These requirements do not cover equipment intended for comfort cooling.

UL 427-2006 history

1970 UL 427-2017 UL Standard for Safety Refrigerating Units
2016 UL 427 BULLETIN-2016 UL Standard for Safety Refrigerating Units (COMMENTS DUE: December 14@ 2016)
2014 UL 427 BULLETIN-2014 UL Standard for Safety Refrigerating Units (COMMENTS DUE: FEBRUARY 17@ 2014)
2013 UL 427 CRD-2013 UL Standard for Safety Refrigerating Units - Section / Paragraph Reference: Supplement SA Subject: Flammable refrigerant charge sizes greater than 150 grams (Edition 5: November 11, 2011)
2013 UL 427 BULLETIN-2013 UL Standard for Safety Refrigerating Units (COMMENTS DUE: NOVEMBER 25@ 2013)
2012 UL 427 BULLETIN-2012 UL Standard for Safety Refrigerating Units (COMMENTS DUE: December 31@ 2012)
2011 UL 427 BULLETIN-2011 UL Standard for Safety Refrigerating Units (COMMENTS DUE: MARCH 21@ 2011)
2011 UL 427-2011 UL Standard for Safety Refrigerating Units (Fifth Edition; Reprint with Revisions Through and Including February 01@ 2013)
2008 UL 427 BULLETIN-2008 UL Standard for Safety Refrigerating Units (COMMENTS DUE: June 30@ 2008)
2006 UL 427 BULLETINS-2006 UL Standard for Safety Refrigerating Units (09/22/2006 (92p); 06/30/2006 (92p))
2006 UL 427-2006 UL Standard for Safety Refrigerating Units (Fourth Edition; Reprint with Revisions Through and Including March 03@ 2009)
1994 UL 427-1994 UL Standard for Safety Refrigerating Units (Third Edition; Reprint with Revisions Through and Including November 04@ 1997)