What is UL certification?
UL is principally engaged in product safety certification and business safety certification business. Its ultimate goal is to obtain products of a fairly safe level for the market and contribute to the protection of personal health and property safety. Regarding product safety certification as an effective means of eliminating technical barriers to international trade, UL also plays an active role in promoting the development of international trade. UL was founded in 1894. In the initial stage, UL mainly relied on the fire insurance department to provide funds to maintain its actions. Until 1916, UL was completely independent. After nearly a hundred years of development, UL has become a world-renowned certification body with a complete set of strict organizational management system, standard development and product certification procedures. UL is managed by a board of directors with security experts, government officials, consumers, education, utilities, insurance, and standards. The day-to-day work is handled by the president and vice president. Currently, UL has five laboratories in the United States, headquartered in Northbrook, north of Chicago, and has established laboratories in Taiwan and Hong Kong. In the United States, UL is a symbol of safety for consumers. Globally, UL is one of the most trusted providers of qualified assessments for manufacturers.
UL mark
The UL Mark is usually identified on the product and/or product packaging to indicate that the product has passed UL certification and meets safety standards.
UL certification necessity
Products sold in the US market require mandatory UL certification. Whether it is a product in the US or a product exported to other countries, UL certification testing is required. We can see many electronic products in the products on the market. The products have the UL certification mark, which is the test of conduction and radiation of the product. It has important significance in the US market. UL certification is an important passport and pass in the US market. Only this logo product can enter smoothly. To the US market.
UL certification scope
Electrical, mechanical, mechanical or electromechanical products
Any electrical, electronic, mechanical or electromechanical product with a UL mark indicates that the product has met the minimum requirements for generally recognized US and Canadian product safety standards. It is tested to comply with relevant product safety standards and also represents the production plant. Agree to receive strict periodic inspections to ensure product quality consistency and can be sold to the US and Canada markets.
UL certification application process
1. Applicant submits relevant company and product information
Written application: You should request UL to test your company's products in writing.
Company Information: Provide detailed and accurate names, addresses, contacts, zip codes, telephone numbers and faxes in the following units in both Chinese and English. (1) Application company: a company that proposes product testing and is responsible for all engineering service fees
(2) Listed companies: companies whose names are listed in various product catalogues published by UL
(3) Production plant: the manufacturer and producer of the product.
Product Information: Product information should be provided in English. First determine if your product is covered by UL testing.
(1) Product name: Provide the full name of the product.
(2) Product model: List all the product models, varieties or classification numbers that need to be tested.
(3) The intended use of the product: for example: home, office, factory, coal mine, ship, etc.
(4) Parts list: List the parts and models (classification numbers), the rating, and the name of the manufacturer that make up the product. For insulating materials, please provide the name of the raw material, for example: GE Polycarbonate, Lexan Type 104. When the component has obtained UL certification or recognition, please prove the specific model of the component and indicate its UL file number.
(5) Electrical properties: For electronic and electrical products. Provide electrical schematic (circuit diagram), electrical performance table.
(6) Structure diagram: For most products, it is necessary to provide structural drawings or explosion diagrams, ingredient lists, etc. of the products.
(7) Photographs of the product, instructions for use, safety, etc. or installation instructions.
2. The person makes a decision based on the product information provided.
When the product information is complete, UL engineers make the following decisions based on the information: the UL standard on which the experiment is based, the engineering cost of the test, the time of the test, the number of samples, etc., notify you in writing, and the formal application form and tracking service The agreement is sent to your company. The fee limit is stated in the application form and is the maximum project cost estimated by UL according to the test items. The fee limit cannot be exceeded without the written authorization of your company.
3. Apply for company remittance, return application form and sample
The applicant for the UL certification will sign the application form and the tracking service agreement, and return the form to the UL company. At the same time, the bank will send the sample at the post office or by express delivery by bank transfer. Please submit the sample for inspection. Description (such as name, model). Application forms and samples should be sent separately. For each application, UL will specify a unique project number (Project No.) to indicate the project number and application company name when remittance, sample and application form, in order to facilitate UL inspection.
4. Product testing
Upon receipt of the application form, remittance, and experimental samples signed by your company, UL will notify you of the time of completion of the experimental plan. Product testing is generally performed in UL laboratories in the United States, and UL can also accept audited participation in third-party testing data. The experimental samples will be returned or destroyed according to your requirements. If the product test results meet the requirements of the UL standard, UL will issue a test report and follow-up service (FollowUp Service Proccdure) test report will detail the test situation, the sample reached the index, the product structure and the safety signs suitable for the use of the product. A description of the product and instructions for the UL Regional Inspector are included in the Tracking Service Rules. A copy of the test report is sent to the applicant company and a copy of the tracking service details is sent to each production facility.
5. Applicant is authorized to use the UL Mark
UL area inspectors in China contact the production plant for initial factory inspection (Initial Production Inspection
.IPI), the inspector checks the condition of your products and their parts in the production line and warehouse inventory to confirm that the product structure and parts are consistent with the tracking service details. If required by the rules, the regional inspector will also conduct a sighting test. When the inspection result meets the requirements, the applicant is authorized to use the UL Mark.
Certification period
Regular for 3-4 weeks, can be expedited
NTEK advantage
NTEK is a professional agent UL certification body, the national CNAS authorized laboratory (L5516). NTEK has a team of experienced UL-certified experts who can provide you with UL certification solutions one-on-one. It has the strength to provide comprehensive one-stop testing and certification services for customers' products to obtain national certification, and help your products sell well all over the country.
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