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As the rules change or new procedures are developed, please note that these interpretation and/or guidance may not apply; you should always refer to the latest rules and guidance documents to determine what equipment authorization procedures should be followed. For the latest guidance on specific topics or you don't know where to start, please feel free to contact GTG experts.

GTG Provides UL Testing and Certification Service
GTG can help you with UL testing and certification.
GTG provides professional, efficient and reliable UL testign and certificate recognition service.

For enterprises, credibility and image are their important assets. If a company’s products are UL certified, then it can improve its credibility and image, and win more customer trust and support.

Consumers are more inclined to choose those products that have undergone rigorous testing and certification for safety performance and can be used with confidence. So, what are the simple ways for you, as a consumer, to quickly know that this product is reliable? The answer is much simpler than you might think: checking to see if a product is UL certified is an easy way to tell.

What is UL Certification?

UL, known as Underwriter Laboratories, was founded in 1894 and is one of the world’s leading product safety testing and certification organizations, as well as one of the most authoritative safety certification organizations in North America and around the world. For more than a century, UL has tested hundreds of products and components to relevant safety standards and evaluated their management systems in accordance with international standards.

For UL’s different types of products, UL marks can be divided into different types, of which the following three are the most common in North America, respectively, LISTED, CLASSIFIED and RECOGNIZED COMPONENT.

  • LISTED: UL LISTED mark appear on end products and complete components suitable for factory and field installation. Common products include: IT products, smoke and carbon monoxide alarms, fire extinguishers and sprinkler systems, etc.
  • CLASSIFIED: UL classification mark appear on representative samples of products that UL has evaluated with respect to specific properties, a limited range of hazards or suitability for use under limited or special conditions.
  • RECOGNIZED COMPONENT: these marks are specifically used on component parts that are part of a larger product or system, including some switches, power supplies, printed wiring boards, some kinds of industrial control equipment and thousands of other products.

Further details, please refer to: https://marks.ul.com/about/ul-listing-and-classification-marks/appearance-and-significance/marks-for-north-america/

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Why UL certification is important?

Due to UL’s authority and impartiality, its certification mark is highly recognized in the marketplace. It provides consumers, purchasing units and related organizations with a form of trust and assurance that a product’s safety performance meets the requirements of relevant standards and regulations. In other words, once a product is UL certified, it means that it has been rigorously tested and evaluated, and can be sold and used in the market with confidence.

How to know a product is UL certified?

Generally speaking, products that have been certified by UL will have the UL certification mark affixed to the product. You can check the UL certification information of the product on UL’s official website.

It should be noted that some products may not have the UL certification mark or the UL certification information cannot be found, this may be because the product has not been UL certified or UL certification information is not publicly available. In this case, you can consult with the product seller or manufacturer to find out whether the product has been certified by UL.

How can GTG assist you with UL testing and certification?

Generally, UL certification is carried out by UL company. However, there are many other organizations that can provide professional UL certification services to help companies ensure that the safety performance of their products meets the requirements of the relevant standards and regulations, such as GTG, TüV SüD, FCC and so on.

GTG is a third-party certification body recognized and authorized by UL, which means GTG can provide UL test and certification services and inspect products according to UL standards. Being authorized by UL is a necessary condition to ensure that the services provided by the certification body are reliable, fair and authoritative, as well as to recognize and trust the quality of products.

Industries that GTG can perform testing to UL standards

  • Electrical and Electronic Products
  • Industrial Control Panels
  • Industrial Machinery
  • Consumer and Retail Products
  • Medical Devices
  • Household Appliances
  • Lighting Products
  • Automotive
  • Audio/Visual Equipment
  • Energy Storage

In addition, GTG also provides professional certification consulting and training services to help companies better understand and comply with various safety standards to improve product safety performance and market competitiveness.

If you need an UL certification, please don’t hesitate to contact us, GTG professional service team will answer all your technical questions.

Sources: Our guidance and/or articles are written in part based on publicly available information, and our own practical experience relating to product testing, compliance and certification. These are some of the primary sources we use:
  1. https://www.ul.com/
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© 2023 GTG | Global Testing Group. All rights reserved.