1. UL certification
UL stands for 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. More about UL certification
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 Household Appliances: UL 1310; UL 1012;
- For Medical Products: UL 60601-1;
- For Industrial Power Supplies (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;
- Household Appliances: UL 1007; UL 1005; UL 1028; UL 1083; UL 982; UL 1026;
- Medical Products: UL 60601-1;
- Industrial Power Supplies (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 for 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.