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UL Certification

As an accredited testing laboratory, we’ve helped thousands of manufacturers complete safety testing for their products and achieve UL certification.

1. 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.

UL certification is mandatory for some products sold on Amazon.com.

2. UL certification mark

There are three different types of UL certification mark : UL Listed, UL Recognized, and UL Classified.

3. UL certification testing items, testing standards, documentation required and certification process

Testing items varies depending on the products. For safety testing items on specific product, please fill out our short form, our expert will be glad to assist you further. Below are some of typical testing items for power supplies:

  • Input test
  • Temperature rise test
  • Impact test
  • Drop test
  • Torque test
  • Ball pressure test
  • Limited power source (LPS) test
  • Touch current test
  • Ground continuity test
  • Constant temperature and humidity test
  • Fault test

Below is a list of safety testing standards we’re capable of. And our team is always available for any general inquiries, or technical discussions regarding the following safety testing standards. Not sure what standard or standards apply to your product? Please fill out our short form, our expert will be glad to assist further.

Power Supplies:

  • For Information Technology Products: UL 62368-1;
  • For Audiovisual (AV) Products: UL 62368-1;
  • For Lighting Products: UL 8750;
  • For Home Appliances: UL 1310; UL 1012;
  • For Medical Products: UL 60601-1;
  • For Industry Products (Transformer): UL 1310; UL 1012; UL 61010-1; UL 61010-2-201.

Terminal Products:

  • Information Technology Equipment (ITE): UL 62368-1;
  • Audiovisual (AV) Products: UL 62368-1;
  • Lighting Products: UL153; UL1598; UL8750; UL1786; UL1573; UL588; UL2108; UL924;
  • Home Appliances: UL 1007; UL 1005; UL 1028; UL 1083; UL 982; UL 1026;
  • Medical Products: UL 60601-1;
  • Industry Products (Transformer): UL 1310; UL 1012; UL 506; UL 1561; UL 1562; UL 1585; UL 1876; UL 1411; UL 397; UL 697;
  • Electric Tools: UL 60745-1.

Batteries:

  • Batteries for Consumer Electronics: UL 1642; UL 2054; UL 2056;
  • Power Batteries: UL 2271; UL 2580; UL 1973; UL 2743.

Micromobility Devices:

  • Electrical Systems for E-bikes, Powered Bicycle and Personal E-Mobility Devices; Powered Mobility Devices (E-scooters): UL 2849; UL 2272.

GTG Group assists clients through every step of the testing process. Fill out our short form and start taking advantages of our deep industry expertise and extensive technical knowledge to help expedite the process today!

Required documentation varies depending on the products. For detailed required documentation on specific product, please fill out our short form, our expert will be glad to assist you further. Below are some of typical required documentation for power supplies:

  • Constructional data form (CDF) or critical components list (CCL)
  • Schematic diagram
  • PCB layout
  • Labels / Nameplate
  • Transformer and inductor specification
  • Model list / comparison table
  • Instructions for use or installation

Below are the general application steps for achieving UL certificate. Have questions or not sure where to start? Please fill out our short form, our expert will be glad to assist further.

  • Request a free quote from GTG Group and make the payment;
  • Fill out the application form;
  • Send the documentation and the test sample(s) to our laboratory;
  • Perform test and prepare for the report;
  • Once the test have passed, you will receive a notice of authorization to apply the UL mark (NOA) / notice of completion (NOC);
  • NOA can ship directly with the UL Mark while NOC needs to complete the initial factory inspection before shipping with the UL Mark.

4. Factory inspection

UL audits the factory four times a year. Documentation to prepare for UL factory inspection:

  • Production and quality control procedures;
  • Main parts and components and finished product inspection procedures;
  • Certificate records for main parts and components;
  • Product material list;
  • Documents for plastic parts;
  • Documents for production control;
  • Records for UL labeling;

If you need expert assistance on factory audit, please fill out our short form, our expert will be glad to assist further.

5. Price and lead time

You will never pay for services that you don’t need! GTG Group provides a customized quote which are tailored to each client's needs and budget. Furthermore, you will receive UL certification within 3 to 4 weeks according to our past successful records. The process can be expedited at an additional cost.

However, the cost and the lead time of testing and certification varies depending on the product complexity and the testing requirements. GTG Group provides free consultation to assess your needs and provide advice on how to get started with compliance. Contact us today by filling out our short form!

6. UL accreditation documents

When you choose the GTG Group for testing and certification, you can be confident that you are working with a trusted and reliable partner.

Our laboratory is accredited by UL. This means we're authorized to perform tests and the test data are accepted by UL. Testing scope we specialize in: information technology (IT) products, audiovisual (AV) products, wireless products, lighting products, power supplies, electric personal transportation vehicles, batteries, small home appliances...

7. Why choose us?

Founded in 2012, GTG Group is an independent ISO/IEC 17025 accredited product testing and certification services provider in China, providing comprehensive testing and regulatory certifications obtaining services forfor a wide range of products. Our goal is to certify your products and ensure their compliance with regulatory standards in order to help you access worldwide markets.

By working with GTG Group, you will enjoy the convenience of completing all of your tests (safety, EMC, RF, wireless, energy efficiency, environmental, durability, performance, chemical and other tests) and receive certification for your product from a single accredited lab. You will also eliminate the headaches of using multiple labs, delays in logistics, and shipping costs. Contact us today!

One of the most significant advantages of working with GTG Group is that we perform real test and are responsible for the end user. This is essential because it avoid risks and provides peace of mind to businesses and individuals who use the products. We have worked with some of the world’s leading businesses, and our services are highly regarded by our clients. When you choose the GTG Group for testing and certification, you can be confident that you are working with a trusted and reliable partner.

Our testing and test reports are globally recognized and accepted by regulatory agencies, ensuring that your products meet the necessary standards and regulations. GTG Group’s subsidiaries are accredited by local and international certification bodies that includes IECEE, UL, A2LA, NVLAP, ITS (Intertek), KTC, TÜV, Eurofins, CNAS, CMA, CQC. Our accreditation is a testament to our commitment to providing high-quality testing services that meet industry standards. Check all accreditation documents in this page.

GTG Group accredited laboratory have more than 10 years of experience in safety testing for the North American market and have helped thousands of businesses achieve UL certification. Experts we hired are all with deep industry expertise and extensive technical knowledge that can help you avoid common mistakes.

Our facilities are with enough space to perform every type of test separately and have room for all your equipment as well as plenty of workspace around it. GTG Group covers a testing area of 30,000 square meters and have more safety testing labs, EMC testing labs, RF testing labs, wireless testing labs, energy efficiency testing labs, performance testing labs, durability testing labs and environmental testing labs than our peers. 

Furthemore, our standardized and normalized testing process allows us to deliver accurate and reliable testing results within a short timeframe. That’s why our turnaround time is among the fastest in the industry, ensuring that our clients get their products to the market without any delay.

GTG Group invest heavily in modern testing equipment and have a rigorous quality control process in place to ensure that the testing methods are accurate and reliable. Additionally, the laboratory regularly upgrades its equipment to ensure that it remains at the cutting edge of technology.

We understand that every product is different, and the cost is a significant factor when it comes to product development. GTG Group strive to provide affordable testing solutions without compromising on quality. Our team of experts will work closely with you to understand your product’s specific needs and design testing solutions that meet your requirements and ensures compliance with regulatory standards. This means that you can get the testing you need, without paying for services that you don’t, ensuring that our clients always get the best value for their money.

We can also provide free pre-compliance tesing service to help detect and resolve potential design flaws early in the process to reduce design costs and accelerate market launch. We promise no risk or any obligation!

Ready to get a free quote?

We offer competitive pricing for our testing and certification services. And our team is always available for any general inquiries, or technical discussions regarding compliance testing/certification. Speak to a GTG Group expert by filling out our short form.
Need help or have a question?

Have questions about product testing and certification in reference to standards interpretations, applicability of standards, or country-specific requirements?

Not sure what standard or standards apply to your product? Let's talk! Our experts are 24*7 on call.

Accreditation

View our comprehensive testing scope, standards we cover, and see our full accreditation here.

Ready to get a free quote?

We offer ompetitive pricing for our testing and certification services. And our team is always available for any general inquiries, or technical discussions regarding compliance testing/certification.

Contact us on 0086-18188898539 to talk to our team, or request a free quote by filling out our short form below.
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With 12 years of experience, GTG Group have helped thousands of organizations access markets, comply, innovate, and differentiate.

© 2012-2024 GTG Group. All rights reserved.

© 2012-2024 GTG Group. All rights reserved.