• List of UL Standards Testing Companies: Our Top 7 Picks

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    UL Testing Companies

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    Underwriter Laboratories (UL) are most well-known for developing product standards – also known as UL standards. While UL also offers lab testing services, other labs are also accredited to test products according to applicable UL standards.

    In this guide, we list several leading companies offering UL standards testing solutions for electronics, and other product categories.

    What is Underwriters Laboratories?

    Underwriters Laboratories (UL) is a transnational corporation specializing in providing certification, lab testing, and other services for a wide range of products and industries, in 46 countries.

    Besides providing testing services against regulations such as many CE marking directives in the EU or CPSIA in the United States, UL is an accredited standard developer in the US and Canada. The company has developed and published more than 1,500 standards in a broad range of areas, including:

    Among all these categories of products, UL has built its reputation especially in the field of developing electronic and electrical equipment safety standards, which have been widely recognized by governmental institutions, and private certification companies.

    The publication of its own standards makes UL different from most other laboratories, which only provide services in accordance with standards developed by other institutions or agencies.

    What is a UL standard?

    UL Standards are developed to assess products, components, materials, and systems, and encompass several aspects such as:

    • Electrical safety standards
    • Flammability standards
    • Sustainability standards
    • Building products standards

    UL safety standards, in particular, aim at mitigating risk, injury, or danger for people and properties. The process of developing standards is especially important for new products, for which there are still no specific technical requirements to ensure product safety, such as wire sizes, correct design, and more.

    Since UL standards are recognized across the United States and Canada, they are widely adopted or referred to by industry leaders like Amazon, Huawei (China), Panasonic (Japan), Samsung (Korea), as the safety standards benchmark to access the North American market.

    You can find more information about UL standards – or purchase any UL standards, on the UL’s website.

    Can any company offer UL testing?

    Currently, only laboratories that have been accepted in the UL Third-Party Test Data Program can offer testing services against UL standards.

    The UL Third-Party Test Data Program requires that laboratories must comply with ISO/IEC 17025 – Requirements for Laboratory Testing and Calibration Systems.

    ISO/IEC 17025 is a laboratory quality management program that sets requirements for the procedures that take place in a testing lab, including the following:

    • Accommodation
    • Environmental
    • Test equipment
    • Measurement traceability
    • Subcontracting of tests
    • Nonconforming tests or calibrations
    • Corrective action
    • Technical records

    A laboratory that has been accepted to the UL Third-Party Test Data Program must prove compliance with the above-mentioned requirements and procedures listed above once a year. UL performs a yearly assessment of each laboratory that participates in the program and determines the qualification of the applicants.

    Laboratories that fail to submit all required data under the Third-Party Test Data Program for more than one year might lose the right to perform testing against UL standards.

    It is important to point out that each individual lab facility that is seeking the qualification to test against UL standards must be reviewed by UL under the Third-Party Test Data Program. This means that a given testing lab, for example, SGS or TÜV SÜD, might have facilities that are qualified to test against specific UL standards and facilities that are not qualified to do so.

    Also, the assessment methods differ from one standard to another, depending on the specific requirements of each specific standard. Thus, a given lab facility is only qualified to perform testing against specific UL standards, according to its qualifications.

    In the following sections, we list several companies that offer testing against UL standards for different categories of products.

    • SGS
    • Intertek
    • Eurofins
    • TÜV SÜD
    • F2 Labs
    • ICS Laboratories

    SGS

    SGS is qualified to conduct testing and certification services against various UL standards, mainly concerning electronics and medical devices.

    Note that the ability to perform UL standards by each individual SGS laboratory varies. For example, SGS testing facilities in North America, in general, provide more comprehensive UL standard testing choices than SGS Hong Kong and SGS China.

    In particular, SGS North America provides UL standard testing services for household, cosmetic, personal care, lighting, and several other types of electrical appliances. SGS Hong Kong, on the other hand, primarily offers UL standard testing services for batteries.

    Covered Product Categories

    • Household appliances
    • Electrical appliances used in outdoor or public areas
    • Lightings
    • Personal care electronic products
    • Batteries
    • Information technology equipment
    • Power tools
    • Medical electrical equipment

    Covered UL Standards

    • UL 1642 – Lithium Batteries
    • UL 2054 – Household and Commercial Batteries
    • UL 2272 – Electrical Systems for Personal E-Mobility Devices
    • UL 783 – Electric Flashlights and Lanterns for Use in Hazardous (Classified) Locations
    • UL 982 – Motor-Operated Household Food Preparing Machines
    • UL 1026 – Electric Household Cooking and Food Serving Appliances
    • UL 1028 – Hair Clipping and Shaving Appliances
    • UL 1088 – Temporary Lighting Strings
    • UL 1431 – Personal Hygiene and Health Care Appliances
    • UL 1786 – Direct Plug-In Nightlights

    HQ Address: 1 Place des Alpes, P.O. Box 2152, 1211 Geneva 1, Switzerland

    Intertek

    Intertek is a leading quality assurance provider headquartered in the UK. The company has more than 1,000 branch offices and laboratories in 120 countries.

    Intertek tests UL standards through its ETL (Electrical Testing Laboratories) division, which is also an OSHA-recognized NRTL (Nationally Recognized Testing Laboratory). Products that are tested by and comply with UL standards can be marked with an Intertek ETL Listed Mark. Products bearing an ETL Listed Mark are recognized in the United States and Canada.

    Covered Product Categories

    • Furniture
    • Household appliances
    • Medical equipment
    • Solar products

    Covered UL Standards

    • UL 1286 – Office Furnishings
    • UL 962 – Household and Commercial Furnishings
    • UL 2040 – Folding Rollaway Tables
    • UL 60335 – Household and Similar Appliances
    • UL 867 – Electrostatic Air Cleaners
    • UL 60601 – Medical Electrical Equipment
    • UL 61730 – Photovoltaic (PV) Module

    HQ Address: 33 Cavendish Square, London, W1G 0PS, United Kingdom

    Eurofins

    Eurofins is a lab testing company headquartered in Luxembourg. The service range of Eurofins covers product lab tests, quality assurance, certification, on-site evaluations, and more.

    Eurofins MET Labs is a division of Eurofins that offers UL certification services, which include UL standard tests and accreditation for clients from the electrical industry, mainly involving household and commercial appliances.

    You can learn more about the list of UL standards for which Eurofins MET Labs offer testing on their official website.

    Covered Product Categories

    • Household appliances
    • Commercial appliances
    • Electrical power systems
    • Telecom equipment

    Covered UL Standards

    • UL 50 – Enclosures for Electrical Equipment
    • UL 82 – Electric Gardening Appliances
    • UL 130 – Electric Heating Pads
    • UL 153 – Portable Electric Lamps
    • UL 231 – Electrical Power Outlets
    • UL 234 – Low Voltage Lighting Fixtures for Use in Recreational Vehicles
    • UL 250 – Household Refrigerators and Freezers
    • UL 474 – Dehumidifiers
    • UL 998 – Humidifiers
    • UL 482 – Portable Sun/Heat Lamps

    HQ Address: Val Fleuri 23, 1526, Luxembourg

    TÜV SÜD

    TÜV SÜD offers UL standard testing services, of which the test scope focuses on electrical appliances for household and commercial uses.

    TÜV SÜD’s UL certification services help importers and manufacturers of electrical products to access markets of household appliances and electrical equipment in the United States, Canada, and the European Union.

    Covered Product Categories

    • Household appliances
    • Commercial appliances

    Covered UL Standards

    • UL 1995 – Heating and Cooling Equipment
    • UL 60335 – Household and Similar Electrical Appliances
    • UL 979 – Water Treatment Appliances
    • UL 507 – Electric Fans
    • UL 250 – Household Refrigerators and Freezers
    • UL 399 – Drinking Water Coolers

    HQ Address: Westendstraße, 199, München, 80686, Germany

    F2 Labs

    F2 Labs is a lab testing company headquartered in Maryland, United States. The company focuses on providing lab test services to EMC products and equipment against a broad standard, including UL, FCC, IEC, NRTL, NEMA 250, and CSA (Canada).

    F2 Labs partners with SGS, which is qualified to perform UL standard testing and certification service to provide relevant services to the users, which also include factory inspections.

    You can visit F2 Labs’s website to learn more about the UL standard testing services offered by this company.

    Covered Product Categories

    • Household appliances
    • Lighting products
    • Information technology equipment
    • Industrial equipment
    • Electrical laboratory equipment
    • Medical equipment

    Covered UL Standards

    • UL 1598 – Luminaires
    • UL 82 – Electric Gardening Appliances
    • UL 94 – Flammability Standard of Plastic Materials for Parts in Devices and Appliances
    • UL 130 – Electric Heating Pads
    • UL 141 – Garment Finishing Appliances
    • UL 153 – Portable Electric Luminaries
    • UL 298 – Portable Electric Hand Lamps
    • UL 496 – Lampholders

    HQ Address: 26501 Ridge Rd, Damascus, MD, 20872, United States

    ICS Laboratories

    ICS Laboratories is an independent testing laboratory from Ohio, United States. The company provides testing services according to the UL, ANSI, NIOSH, NFPA, CSA, EN, AS/NZS, and some other international standards for personal protective equipment.

    Covered Product Categories

    Covered UL Standards

    ICS Laboratories’ website doesn’t mention the specific UL standards offered by the company. If you are interested in learning more, you can send an inquiry via their website.

    HQ Address: 1072 Industrial Parkway, North Brunswick, OH, 44212, United States

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    Disclaimer: The content on this website is provided for general information only. The content includes summaries written by our team members based on publicly available information about product safety standards, labeling, documentation, testing, processes, and other product compliance related topics. However, we don’t guarantee that we cover every single relevant regulation/standard/requirement, or that the information is free from errors, or covering every single scenario and exemption. We do make mistakes from time to time. We never provide legal advice of any sort.

    Changes/Updates: Product standards and substance restrictions are subject to frequent updates and changes. In addition, new regulations, standards, and/or requirements may also become effective at any time. We don’t update our articles whenever new standards/regulations/rules are added or changed. We recommend that you consult a lab testing company or other professional to get the latest information about mandatory standards/regulations in your market, country, or state. Lab testing companies generally stay up to date on new and updated standards and regulations.

    National/State-Level Standards/Regulations: Many articles don't cover all European national and US state standards, regulations, and requirements. We recommend that you consult a testing company or other professional to confirm all relevant (and current) national/state level standards and regulations.
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