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UL certification-certification process
The process of applying for UL mark for UL certified products includes five steps:
1. The applicant submits relevant company and product information.
Written application: You should ask UL Company to conduct a written test on your product.
Company information: Provide detailed and accurate Chinese and English names, addresses, contacts, postal codes, telephone numbers and fax numbers of the following units.
(1) applicant company: the company that applies for 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 Company.
(3) Production factories: manufacturers and producers of products.
Product information: Product information should be provided in English. First of all, to determine whether your product is within the scope of UL testing, you can consult UL An Teng CAP Laboratory.
(1) Product Name: Provide the full name of the product.
(2) Product model: list all product models, varieties or classification numbers that need to be inspected in detail.
(3) The intended use of the product: for example, home, office, factory, coal mine, ship, etc.
(4) Parts List: List the parts and model (classification number), grade and manufacturer's name of the product in detail. For insulation materials, please provide the name of raw materials, for example: GE polycarbonate, Lexan type 104. When the parts are certified or recognized by UL, please prove the specific model of the parts and indicate the UL document number.
(5) Electrical performance: used for electronic and electrical products. Provide electrical schematic diagram (circuit diagram) and electrical performance table.
(6) Structural drawing: For most products, it is necessary to provide structural drawing or explosion drawing, composition table, etc.
(7) product photos, instructions for use, safety and other matters or installation instructions.
2. People make decisions according to the provided product information.
When the product information is complete, UL engineers will make the following decisions based on this information: UL standard on which the experiment is based, engineering cost of the test, test time, number of samples, etc. , and notify you in writing, and send the formal application form and tracking service agreement to your company. The application form indicates the cost limit, which is the highest project cost estimated by UL according to the test project. This fee limit shall not be exceeded without the written authorization of your company.
3. Apply for company remittance and send back the application form and samples.
Applicants for UL certification should sign the application form and the tracking service agreement, and send the application form back to UL. At the same time, send samples by bank remittance, post office or express delivery. Please check the samples for inspection.
An appropriate description of the product (such as name and model). Please send the application form and samples separately. For each applied project, UL will assign a unique project number (project
Please indicate the project number and the name of the applicant company when remittance, sending samples and application forms for UL to check.
4. Product testing
After receiving the application form, remittance and experimental samples signed by your company, UL will inform you of the completion time of the experimental plan. Product testing is generally carried out in UL laboratory in the United States, and UL can also accept the audit data of third-party testing. The experimental samples will be returned or destroyed according to your requirements.
If the product test results meet the requirements of UL standards, UL will issue qualified test reports and provide follow-up services.
Proccdure) test report will detail the test situation, the indicators achieved by the sample, the product structure and the safety signs applicable to the product. A description of the product and UL region is included in the tracking service details.
Inspector's instructions. A copy of the test report will be sent to the applicant company, and a copy of the tracking service details will be sent to each production plant.
5. the applicant is authorized to use the UL trademark.
The UL regional inspector in China contacted the production factory for the first factory inspection (first production inspection).
. IPI), the inspector will check the storage of your products and their parts in the production line and warehouse to confirm whether the product structure and parts meet the detailed rules of tracking service. If required by the detailed rules, regional inspectors will also enter.
Conduct witness experiments, and authorize the applicant to use the UL mark when the test results meet the requirements.