Organization:UL (safety organization)

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Short description: Global safety certification company
UL Solutions
FormerlyUnderwriters Laboratories, UL LLC
TypePrivate
Founded1894; 130 years ago (1894)
FounderWilliam Henry Merrill
Headquarters
Northbrook, Illinois
,
U.S.
Area served
125 countries
Key people
Jennifer Scanlon (President and CEO)
RevenueUS$2.5 billion (2022)[1]
Number of employees
14,000+ (2020)[2]
ParentUnderwriters Laboratories Inc. (non-profit)[3]
SubsidiariesFuturemark
Website{{{1}}}

The UL enterprise[4] is a global safety science company headquartered in Northbrook, Illinois, composed of three organizations, UL Research Institutes, UL Standards & Engagement and UL Solutions.

Established in 1894, the UL enterprise was founded as the Underwriters' Electrical Bureau (a bureau of the National Board of Fire Underwriters),[5] and was known throughout the 20th century as Underwriters Laboratories. On January 1, 2012, Underwriters Laboratories became the parent company of a for-profit company in the U.S. named UL LLC, a limited liability corporation, which took over the product testing and certification business. On June 26, 2022, the companies rebranded into three distinct organizations that make up the UL enterprise.

The company is one of several companies approved to perform safety testing by the U.S. federal agency Occupational Safety and Health Administration (OSHA).[6] OSHA maintains a list of approved testing laboratories, which are known as Nationally Recognized Testing Laboratories.[7] According to Lifehacker, UL Solutions is the best known product safety and certification organization globally.[8]

History

UL headquarters in Northbrook, Illinois

Underwriters Laboratories Inc. was founded in 1894 by William Henry Merrill. After graduating from the Massachusetts Institute of Technology (MIT) with a degree in electrical engineering in 1889, Merrill went to work as an electrical inspector for the Boston Board of Fire Underwriters.[9] At the turn of the twentieth century, fire loss was on the rise in the United States, and the increasing use of electricity in homes and businesses posed a serious threat to property and human life.[10]

In order to determine and mitigate risk, Merrill proposed to open a laboratory where he would use scientific principles to test products for fire and electrical safety. The Boston Board of Fire Underwriters turned this idea down, perhaps due to Merrill's youth and relative inexperience at the time.

In May 1893, Merrill moved to Chicago to work for the Chicago Fire Underwriters' Association. His task was to inspect the city's fire alarm systems. He was also sent to the 1893 World's Fair to inspect the Fair's electrical installations and the Palace of Electricity. In order to determine and mitigate risk in his role as an electrical inspector, Merrill found it necessary to conduct tests on building materials and electrical components. Upon seeing a growing potential in this field, Merrill stayed in Chicago to found Underwriters Laboratories. He received initial funding from the Chicago Fire Underwriters' Association and the Western Insurance Union, a local insurance organization. With $350 of equipment, he opened a small laboratory on the third floor of a local fire insurance patrol station, signing UL's first test report on March 24, 1894.[11]

Merrill soon went to work on developing safety standards, conducting tests, and uncovering hazards. In the early years, UL tested three main types of products: devices meant to stop fire (such as fire extinguishers), devices meant to resist fire (such as fire doors), and devices that frequently caused fire (like wires used for electrical installations).[12] This work soon expanded, and throughout the twentieth century, UL certified many pivotal consumer technologies, such as vacuum cleaners, televisions, microwaves, personal computers, and more.[13]

UL published its first standard, "Tin Clad Fire Doors", in 1903. In 1906, UL established a Label Service for certain product categories that require more frequent inspections. Products that passed UL's testing and regular inspections were given a UL label, which eventually evolved into the UL Mark. From 1905 to 1979, UL Headquarters was located at 207-231 East Ohio Street in Chicago.[14] In 1979, the organization moved its headquarters to a 153-acre campus in Northbrook, Illinois, 25 miles north of its former downtown Chicago location.

UL Solutions has evolved from its roots in electrical and fire safety to address broader safety issues, such as hazardous substances, water quality, food safety, performance testing, safety and compliance education, and environmental sustainability.

On January 1, 2012, Underwriters Laboratories became the parent company of a for-profit company in the U.S named UL LLC, a limited liability corporation. The for-profit company took over the product testing and certification business.

Underwriters' Laboratories, 207-231 East Ohio Street, Chicago

In 2022, the company revised their go-to-market strategy to include three separate organizations - UL Solutions, UL Standards & Engagement, and UL Research Institutes.[15]

UL Standards

Melville, New York, location

Sustainability Standards

  • UL 106, Standard for Sustainability for Luminaires (under development)
  • UL 110, Standard for Sustainability for Mobile Phones

Standards for Electrical and Electronic Products

  • UL 50, Enclosures for Electrical Equipment
  • UL 50E, Enclosures for Electrical Equipment, Environmental Considerations
  • UL 153, Portable Electric Lamps
  • UL 197, Commercial Electrical Cooking Appliances
  • UL 244B, Field Installed and/or Field Connected Appliance Controls
  • UL 410, Slip Resistance of Floor Surface Materials
  • UL 796, Printed-Wiring Boards
  • UL 916, Energy Management Equipment
  • UL 962, Household and Commercial Furnishings
  • UL 962A, Furniture Power Distribution Units
  • UL 962B, Outline for Merchandise Display and Rack Mounted Power Distribution Units
  • UL 970, Retail Fixtures and Merchandising Displays
  • UL 1026, Electric Household Cooking and Food Serving Appliances
  • UL 1083, Household Electric Skillets and Frying-Type Appliances
  • UL 1492, Audio/Video Products and Accessories
  • UL 1598, Luminaires
  • UL 1642, Lithium Batteries
  • UL 1995, Heating and Cooling Equipment
  • UL 2267 Standard for Safety - Fuel Cell Power Systems for Installation in Industrial Electric Trucks
  • UL 6500, Audio/Video and Musical Instrument Apparatuses for Household, Commercial and Similar General Uses
  • UL 60065, Audio, Video and Similar Electronic Apparatuses: Safety Requirements
  • UL 60335-1, Household and Similar Electrical Appliances, Part 1: General Requirements
  • UL 60335-2-24, Household and Similar Electrical Appliances, Part 2: Particular Requirements for Motor Compressors
  • UL 60335-2-3, Household and Similar Electrical Appliances, Part 2: Particular Requirements for Electric Irons
  • UL 60335-2-34, Household and Similar Electrical Appliances, Part 2: Particular Requirements for Motor Compressors
  • UL 60335-2-8, Household and Similar Electrical Appliances, Part 2: Particular Requirements for Shavers, Hair Clippers and Similar Appliances
  • UL 60950, Information Technology Equipment
  • UL 60950-1, Information Technology Equipment – Safety, Part 1: General Requirements
  • UL 60950-21, Information Technology Equipment – Safety, Part 21: Remote Power Feeding
  • UL 60950-22, Information Technology Equipment – Safety, Part 22: Equipment to be Installed Outdoors
  • UL 60950-23, Information Technology Equipment – Safety, Part 23: Large Data Storage Equipment
  • UL 62368-1, Audio/Video, Information and Communication Technology Equipment – Part 1: Safety Requirements

Life Safety Standards

  • UL 217, Single- and Multiple- Station Smoke Alarms
  • UL 268, Smoke Detectors for Fire Protective Signaling Systems
  • UL 268A, Smoke Detectors for Duct Application
  • UL 1626, Residential Sprinklers for Fire Protection Service
  • UL 1971, Signaling Devices for the Hearing Impaired

Standards for Building Products

  • UL 10A, Tin-Clad Fire Doors
  • UL 20, General-Use Snap Switches
  • UL 486E, Equipment Wiring Terminals for Use with Aluminum and/or Copper Conductors
  • UL 1256, Fire Test of Roof/Deck Constructions

Standards for Industrial Control Equipment

  • UL 508, Industrial Control Equipment, superseded by UL 60947-4-1[16]
  • UL 508A, Industrial Control Panels
  • UL 508C, Power Conversion Equipment, superseded by UL 61800-5-1[17]
  • UL 61800-5-1, Adjustable Speed Electrical Power Drive Systems

Standards for Plastic Materials

  • UL 94, Tests for Flammability of Plastic Materials for Parts in Devices and Appliances
  • UL 746A, Polymeric Materials: Short-Term Property Evaluations
  • UL 746B, Polymeric Materials: Long-Term Property Evaluations
  • UL 746C, Polymeric Materials: Use in Electrical Equipment Evaluations.
  • UL 746D, Polymeric Materials: Fabricated Parts
  • UL 746E, Polymeric Materials: Industrial Laminates, Filament Wound Tubing, Vulcanized Fiber and Materials Used in Printed-Wiring Boards
  • UL 746F, Polymeric Materials: Flexible Dielectric Film Materials for Use in Printed-Wiring Boards and Flexible Materials Interconnect Constructions

Standards for Wire and Cable

  • UL 62, Flexible Cords and Cables
  • UL 758, Appliance Wiring Material (AWM)[18]
  • UL 817, Cord Sets and Power Supply Cords
  • UL 2556, Wire and Cable Test Methods

UL Solutions of Canada

A certification logo for the Canadian division of UL Solutions
  • CAN/ULC-S101-07, Standard Methods for Fire Endurance Tests of Building Construction and Materials
  • CAN/ULC-S102-10, Standard Methods of Test for Surface-Burning Characteristics of Building Materials and Assemblies
  • CAN/ULC-S102.2-10, Standard Methods of Test for Surface-Burning Characteristics of Flooring, Floor Coverings, and Miscellaneous Materials and Assemblies
  • CAN/ULC-S104-10, Standard Methods for Fire Tests of Door Assemblies
  • CAN/ULC-S107-10, Standard Methods for Fire Tests of Roof Coverings
  • CAN/ULC-S303-M91 (R1999), Standard Methods for Local Burglar Alarm Units and Systems[19]

Photovoltaic

  • UL 1703, Photovoltaic Flat-Plate Modules
  • UL 1741, Inverters, Converters, Controllers and Interconnection System Equipment for Use With Distributed Energy Resources
  • UL 2703, Rack Mounting Systems and Clamping Devices for Flat-Plate Photovoltaic Modules and Panels

Recognized Component Mark

The Recognized Component Mark
The Recognized Component Mark (left) on a printed circuit board

The Recognized Component Mark is a type of safety certification mark issued by UL Solutions. It is placed on components which are intended to be part of a UL certified end product, but which cannot bear the full UL Mark themselves.[20] The general public does not ordinarily come across it, as it is borne on components which make up finished products.

Computer benchmarking

UL offers[21] the following computer benchmarking products:[22]

  • 3DMark
  • Easy Benchmark Automation
  • PCMark 10
  • PCMark for Android
  • Servermark
  • Testdriver
  • UL Procyon AI Inference Benchmark
  • UL Procyon Photo Editing Benchmark
  • UL Procyon Video Editing Benchmark
  • VRMark

Similar organizations

Applied Research Laboratories (ARL)
A competing testing laboratory, based in Florida, U.S.
Bureau Veritas
A competing test, inspection, and certification company.
Baseefa
A similar organization in the United Kingdom.
Canadian Standards Association (CSA)
A similar organization in Canada. Also serves as a competitive alternative for U.S. products.
CCOE
Chief Controller of Explosives
CEBEC
Testing laboratory, inspection, and certification company, based in Brussels, Belgium.
DNV GL
A global testing laboratory, inspection, certification, marine class, and engineering organisation, headquartered in Høvik, Norway.
Efectis
A similar organization in Europe, fire science expert, testing laboratory, and certification body.
ETL SEMKO
A competing testing laboratory, part of Intertek; based in London, U.K.
FM Approvals
A competing certification body, based in Rhode Island, U.S.
ICC-ES
International Code Council Evaluation Services.
IAPMO R&T
A competing certification body, based in Ontario, California, U.S.
INERIS
Testing laboratory, inspection, and certification company, based in France.
KFI
The Korea Fire Institute, a similar organization in Korea.
MET Laboratories, Inc.
A competing testing laboratory, based in Baltimore, Maryland, U.S.

California, U.S.

NTA Inc
A certification agency based in Nappanee, Indiana, U.S.

CA and Tulsa, OK); Seoul, South Korea; and Shanghai, China.

Sira
A similar organization for the UK/Europe.
GS
Geprüfte Sicherheit
TÜV
German and Austrian approvals organizations.

See also

  • ANSI
  • CE marking
  • Conformance mark
  • Consumer Reports
  • Consumers Union
  • Fire test
  • Good Housekeeping Seal
  • National Sanitation Foundation
  • NEMKO
  • Product certification
  • Quality control
  • RoHS
  • Safety engineering
  • Société Générale de Surveillance
  • AENOR


References

  1. ↑ Megaw, Nicholas (2023-10-26). "Safety testing group UL Solutions plans one of largest IPOs of the year". Financial Times. https://www.ft.com/content/01a35be5-c987-4535-a6d6-f62f6ceef8a1. 
  2. ↑ "2020 Diversity and Inclusion Report". https://www.ul.com/about/diversity-and-inclusion/diversity-and-inclusion-report. 
  3. ↑ "Entity change to UL LLC Letter". http://pbadupws.nrc.gov/docs/ML1134/ML113460925.pdf. 
  4. ↑ Solutions, UL Research Institutes, UL Standards & Engagement and UL (27 June 2022). "UL Enterprise Launches New Brands" (in en). https://www.wfmz.com/news/pr_newswire/pr_newswire_technology/ul-enterprise-launches-new-brands/article_e0dc88ac-ff51-57ae-ba4c-cd6c5d86676f.html. 
  5. ↑ "History". UL. http://ul.com/aboutul/history/. 
  6. ↑ "Nationally Recognized Testing Laboratories – Underwriters Laboratories Inc.". United States Occupational Safety and Health Administration. https://www.osha.gov/dts/otpca/nrtl/ul.html. 
  7. ↑ "Nationally Recognized Testing Laboratories (NRTLs) – Current List". Occupational Safety and Health Administration. https://www.osha.gov/dts/otpca/nrtl/nrtllist.html. 
  8. ↑ Yuko, Elizabeth (2022-06-11). "What 'UL Listed' Means on Electronics, and Why You Should Look for It". Lifehacker. https://lifehacker.com/what-ul-listed-means-on-electronics-and-why-you-should-1849047109. Retrieved 2022-06-11. 
  9. ↑ Engineering Progress: The Revolution and Evolution of Working for a Safer World. UL. Retrieved 2021-09-16.
  10. ↑ Knowles, Scott (2011). “Chapter 1: The Devil’s Privilege.” The Disaster Experts: Mastering Risk in Modern America. Philadelphia, Pennsylvania: University of Pennsylvania Press, pp. 21-61.
  11. ↑ Brearley, Harry Chase (1923). “Chapter 4: The Genesis of Underwriters’ Laboratories.” A Symbol of Safety: An Interpretive Study of a Notable Institution. Doubleday, pp. 17-23.
  12. ↑ Rathom, John R. (1902-11-23). “Where Fire-Defying Inventions Are Tested.” The Sunday Record-Herald. Chicago.
  13. ↑ “About UL: History.” UL. Retrieved 2021-09-16.
  14. ↑ “Underwriters' Laboratories, 207-231 East Ohio Street, Chicago, Cook County, IL.” Historic American Buildings Survey, Engineering Record, Landscapes Survey, Library of Congress. Retrieved 2021-09-16.
  15. ↑ "We are Three Organizations United by One Mission" (in en). https://www.ul.com/ulsolutions. 
  16. ↑ "UL 508 Standard Has Been Replaced and Superseded by the UL 60947-4-1 Standard" (in en). https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1129110/~/ul-508-standard-has-been-replaced-and-superseded-by-the-ul-60947-4-1-standard-. 
  17. ↑ "Top 10 Frequently Asked Questions About UL 508C to UL 61800-5-1 for Motor Drives" (in en). UL Solutions. April 24, 2020. https://www.ul.com/news/top-10-frequently-asked-questions-about-ul-508c-ul-61800-5-1-motor-drives. 
  18. ↑ "Wire and Cable Explained". UL. July 2008. https://www.ul.com/global/documents/corporate/aboutul/publications/newsletters/electricalconnections/july08.pdf. 
  19. ↑ "UL's Standards for Safety: Standards Catalog". http://ulstandardsinfonet.ul.com/catalog/stdscatframe.html. 
  20. ↑ "Marks for North America". UL. http://www.ul.com/marks/ul-listing-and-classification-marks/appearance-and-significance/marks-for-north-america/. 
  21. ↑ "Benchmarks and Performance Tests". https://benchmarks.ul.com/. 
  22. ↑ "UL Benchmarks - PCMark, 3DMark, and VRMark". https://www.anandtech.com/show/15720/intel-ghost-canyon-nuc9i9qnx-review/4. 

External links



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