UL 873 BULLETINS-2003
Temperature-indicating and -regulating equipment

Standard No.

UL 873 BULLETINS-2003

Release Date

2003

Published By

Underwriters Laboratories (UL)

Status

Be replaced 2004-02

Replace By

UL 873 BULLETIN-2004

Latest

UL 873-2015

Scope

These requirements cover electrical equipment for control of air conditioning, heating, cooking, refrigeration, and humidity, rated 600 volts or less, to be used in ordinary locations in accordance with ANSI/NFPA 70, National Electrical Code. These requirements cover general-use equipment for field-installation and controls intended to be factory installed on or in certain appliances as safety, limiting, or operating controls. These controls respond directly or indirectly to changes in temperature, humidity, or pressure to effect control of equipment or appliance operation. Devices covered by these requirements include: (A) refrigeration controllers; (B) industrial operating controls; (C) residential operating controls; and (D) controls for factory installation on or in appliances. These requirements cover a fan/heat sequencer that is a multiple-circuit device to be used alone, or a multiple- or single-circuit device that is intended to be used with other devices to sequentially control a fan and heater or heating elements in electric central air-heating equipment.

UL 873 BULLETINS-2003 history

• 1970 UL 873-2015 Temperature-indicating and -regulating equipment
• 2014 UL 873 CRD-2014 UL Standard for Safety Temperature-Indicating and-Regulating Equipment - Section / Paragraph Reference: 74.2@ 74.4 Subject: Clarification of text height for Cautionary Markings (Edition 12: November 16@ 2007)
• 2014 UL 873 BULLETIN-2014 UL Standard for Safety Temperature-Indicating and-Regulating Equipment (COMMENTS DUE: December 22@ 2014)
• 2013 UL 873 CRD-2013 UL Standard for Safety Temperature-Indicating and-Regulating Equipment - Section / Paragraph Reference: 5A.5.3.3 Subject: Exception for MOVs in controls when not utilized for reduced clearances (Edition 12: November 16@ 2007)
• 2013 UL 873 BULLETIN-2013 UL Standard for Safety Temperature-Indicating and -Regulating Equipment (COMMENTS DUE: October 21@ 2013)
• 2012 UL 873 CRD-2012 UL Standard for Safety Temperature-Indicating and-Regulating Equipment - Section/Paragraph Reference: 47A Subject: Abnormal Switching Test - Requirements for controls using electronic triggering techniques@ such as zero-crossing switching@ to control the
• 2012 UL 873 BULLETIN-2012 UL Standard for Safety Temperature-Indicating and -Regulating Equipment (COMMENTS DUE: July 09@ 2012)
• 2011 UL 873 BULLETIN-2011
• 2010 UL 873 CRD-2010 UL Standard for Safety Temperature-Indicating and -Regulating Equipment - Section / Paragraph Reference: 29, 38, 69 Subject: Requirements for controls incorporating equipment ground-fault protection intended for use in fixed outdoor electric deicing and s
• 2009 UL 873 BULLETIN-2009 UL Standard for Safety Temperature-Indicating and -Regulating Equipment (COMMENTS DUE: August 24@ 2009)
• 2008 UL 873 CRD-2008 UL Standard for Safety Temperature-Indicating and -Regulating Equipment - Section / Paragraph Reference: Section 12, Paragraph 12.3 Subject: Reset Mechanism for Electro-mechanical Limiting Control - test sequence (Edition 12: November 16, 2007)
• 2007 UL 873-2007 UL Standard for Safety Temperature-Indicating and -Regulating Equipment Twelfth Edition
• 2004 UL 873 BULLETINS-2004 Temperature-indicating and -regulating equipment
• 2004 UL 873 BULLETIN-2004 UL Standard for Safety Temperature-Indicating and-Regulating Equipment
• 2003 UL 873 BULLETINS-2003 Temperature-indicating and -regulating equipment
• 2003 UL 873 BULLETIN-2003 UL Standard for Safety Temperature-Indicating and-Regulating Equipment
• 2002 UL 873 BULLETIN-2002 UL Standard for Safety Temperature-Indicating and-Regulating Equipment
• 2001 UL 873 BULLETIN-2001 UL Standard for Safety Temperature-Indicating and-Regulating Equipment
• 1994 UL 873-1994 Temperature-indicating and -regulating equipment