Covers electrical equipment enclosures for use in accordance with the National Electrical Code, NFPA 70. Specific applications covered by this standard include cabinets and cutout boxes and junction and pull boxes. Each type of enclosure covered by this standard is described in general and functional terms where practicable, and omits reference to structural details and specific applications except where they are essential to the identification of the enclosure type. Such additional details and specifications are included in applicable standards for the end-product involved.
UL 50E BULLETINS-2006 history
2022UL 50E BULLETIN-2022 UL Standard for Safety Enclosures for Electrical Equipment, Environmental Considerations
1970UL 50E-2020 Enclosures for electrical equipment, environmental considerations
2019UL 50E BULLETIN-2019 UL Standard for Safety Enclosures for Electrical Equipment@ Environmental Considerations (COMMENTS DUE: August 26@ 2019)
2017UL 50E BULLETIN-2017 UL Standard for Safety Enclosures for Electrical Equipment@ Environmental Considerations (COMMENTS DUE: December 14@ 2017)
2015UL 50E-2015 UL Standard for Safety Enclosures for Electrical Equipment, Environmental Considerations (Second Edition)
2014UL 50E BULLETIN-2014 UL Standard for Safety Enclosures for Electrical Equipment@ Environmental Considerations (COMMENTS DUE: DECEMBER 9@ 2014)
2013UL 50E BULLETIN-2013 UL STANDARD FOR SAFETY ENCLOSURES FOR ELECTRICAL EQUIPMENT@ ENVIRONMENTAL CONSIDERATIONS (COMMENTS DUE: SEPTEMBER 30@ 2013)
2012UL 50E BULLETIN-2012 UL STANDARD FOR SAFETY ENCLOSURES FOR ELECTRICAL EQUIPMENT@ ENVIRONMENTAL CONSIDERATIONS (COMMENTS DUE: APRIL 16@ 2012)
2011UL 50E CRD-2011 UL Standard for Safety Enclosures for Electrical Equipment, Environmental Considerations - Section / Paragraph Reference: Revised 1.1, 5.1.7, 7.1.1, 7.2.3.1, 7.2.4.1, 7.3.3.1, 7.3.3.2, 7.3.3.3, 7.3.4.1, 7.3.5.1, 7.5.2, 7.6.1, 8.3.4, 8.5.2, 8.5.3, 8.9, 8.1
2010UL 50E BULLETIN-2010 UL STANDARD FOR SAFETY ENCLOSURES FOR ELECTRICAL EQUIPMENT@ ENVIRONMENTAL CONSIDERATIONS
2007UL 50E-2007 Enclosures for electrical equipment, environmental considerations