These requirements cover household and commercial microwave cooking appliances operated in the Industrial, Scientific and Medical (ISM) bands of 915 ?25 and 2450 ?50 MHz, for use in ordinary locations in accordance with the National Electrical Code, NFPA 70, and rated not more than 600 V. Requirements also cover microwave cooking appliances intended for built-in installation, side-by-side mounting, stacking, wall mounting and installation over ranges. For the purpose of these requirements, commercial microwave cooking equipment is that usually found in commercial kitchens, restaurants, or other business establishments where food may be dispensed. Household microwave cooking equipment is that intended for household use. These requirements also cover the microwave cooking portion of a household electric range. The combination is to comply with the Standard for Household Electric Ranges, UL 858.
2022UL 923 CRD-2022 UL Standard for Safety Microwave Cooking Appliances - Section / Paragraph Reference: 36A.1, 36A.3, 72.4 Subject: Clarification for Two-step opening requirement for Child Resistant Microwave Oven Door
2020UL 923-2020 UL Standard for Safety Microwave Cooking Appliances (Seventh Edition; Reprint with Revisions Through and Including July 19@ 2017)
2018UL 923 BULLETIN-2018 UL Standard for Safety Microwave Cooking Appliances (COMMENTS DUE: September 17@ 2018)
2017UL 923 BULLETIN-2017 UL Standard for Safety Microwave Cooking Appliances (COMMENTS DUE: July 10@ 2017)
2016UL 923 BULLETIN-2016 UL Standard for Safety Microwave Cooking Appliances (COMMENTS DUE: October 31@ 2016)
2015UL 923 BULLETIN-2015 UL Standard for Safety Microwave Cooking Appliances (COMMENTS DUE: August 3@ 2015)
2014UL 923 BULLETIN-2014 UL Standard for Safety Microwave Cooking Appliances (COMMENTS DUE: May 19@ 2014)
2013UL 923 CRD-2013 UL Standard for Safety Microwave Cooking Appliances - Section/Paragraph Reference: 11.2 Subject: Clarification on Electrical Connections of Interlock Monitor (Edition 6: April 01@ 2008)
2013UL 923 BULLETIN-2013 UL Standard for Safety Microwave Cooking Appliances (COMMENTS DUE: March 04@ 2013)