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US UL Certification

From:Shenzhen STS test services Co., Ltd. Hits:1100 Createtime:2017-06-02

Introduction to UL certification in the United States

UL is principally engaged in product safety certification and business safety certification business, the ultimate goal is to get the market with a very safe level of goods for personal health and property security to ensure that to contribute. In terms of 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, the initial stage of the UL mainly rely on fire insurance departments to provide funds to maintain the action, until 1916, UL was completely independent. After nearly a hundred years of development, UL has become a world-renowned certification body, its own with a set of strict organizational management system, the standard development and product certification procedures. UL is governed by a board of directors of security experts, government officials, consumers, education, public utilities, insurance and standards departments. The day-to-day work is handled by the president and vice president. UL has five laboratories in the United States, headquartered in North Chicago, Northbrook town, while in Taiwan and Hong Kong, respectively, set up a corresponding laboratory. In the United States, for consumers, UL is a symbol of security signs, the world, UL is the manufacturer's most trusted one of the qualified assessment provider. The UL mark is usually identified on the product and / or product package to indicate that the product has been UL approved and meets the safety requirements.

UL certification mark

UL certification benefits

1, the entire US market are very focused on product safety; consumers and purchase units to buy products, will choose to have UL certification mark products.
2, UL history for more than 100 years, the image of security in the consumer and government are deeply rooted, if you do not directly sell products to consumers, middle businessmen will require products UL certification mark to make the products sell well.
3, the US consumer and the purchase of the enterprise products more confidence.
4, the United States federal, state, county, municipal government a total of more than 40,000 districts, have recognized the UL certification mark.

UL certified products and services

1. LISTED: [1] UL certification Generally speaking, the column name is only applicable to the complete product and qualified personnel in the field to replace or install the various devices and devices, are UL listed services of various Products, including household appliances, medical equipment, computers, commercial equipment and the role of various types of electrical products in the building. Such as power distribution systems, fuses, wires, switches and other electrical components. UL listed products, usually in each product marked on the UL listed and marked with the name of the use of the name.
2. Recognized: Recognized service is a UL service in the project, the identification of products can only UL listed, grading or other recognized products as components, raw materials used. The approved product is not structurally complete, or has a certain limit in its use to ensure that the intended safety performance is achieved. In most cases, the tracking service of the approved product belongs to the category R. Class A approved products are electronic wire (AVLV2), processing wire (ZKLU2), wiring harness (ZPFW2), aluminum (DVVR2), and metal flexible tube (DXUZ2). Approved product requirements with a recognized mark.
3. Classification: The classification service only evaluates the specific hazards of the product or evaluates the products other than the implementation of the UL standard (including internationally recognized standards such as IEC and ISO standards). In general, most graded products are not products that consumers use, but products that are used industrially or commercially.
The classification mark in the UL mark indicates that the product has a certain limit and a specified range when UL is identified. For example, a chemical such as a solvent for industrial use is evaluated only for the range of fire that may occur when it reaches the ignition temperature. Some products are graded in the same service as a listed name, but generally only one or several aspects of the product are evaluated. As in the United States, medical devices such as the United States, medical X-ray diagnostic apparatus to comply with US law and the relevant radiation and beam Flow accuracy, but because UL only X-ray as a grading product, so only to evaluate its mechanical properties, electrical performance and other non-radiative performance of these aspects.
4. Multiple column name, multiple recognition or multiple grading services: When a UL applicant to obtain the above list, recognition or classification services, the product to another company in the name of the production to meet the needs of sales, you can apply Multiple names, multiple endorsements, or multiple grading services, in which case the manufacturer of the listed, recognized or graded manufacturer is allowed to use the name of another company in the product list, but the product, except the company code, product code or UL company that can accept other features, the original must be listed, recognized or graded product line.
5. "AL" column name, approval or classification service: If the UL applicant does not want to use their own name in the name of the company, recognition or classification services, he can apply for another firm (usually retailers or wholesalers) in the name Application name, approval or classification, that is, "AL" column name, recognition or classification services. The difference between multiple quotations, multiple recognition or multiple grading services is that the applicant is not a celebrity.
6. System certification services: As a member of the International Accreditation Committee, UL extensive involvement in ISO9000 quality system certification, ISO14000 environmental protection certification, QS9000 automotive industry quality system certification and AS9000 aircraft industry quality system certification services. In the domestic a total of 116 factories to obtain UL system certification; of which 21 for the ISO9001 certification, 85 for the ISO9002 certification, one for the ISO14001 certification, 9 for the QS9000 certification.
7. UL other services: such as certification services, inspection services, judgments of the service, research services.

UL certification required information

1. Applicant to submit the company and product information in writing Application: You should in writing require UL company to test your company's products.
Company information: in English and Chinese to provide the following units detailed and accurate name, address, contact person, postal code, telephone and fax.
(A). Applicant Company: Company which applies for product testing and is responsible for all engineering services
(B). Listed companies: Companies listed in UL's various product catalogs
(C) Production plant: the manufacturer and producer of the product.
2. Product information: product information should be provided in English.
(A). Product name: Provide the full name of the product.
(B) Product Model: All product models, varieties or classification numbers that need to be tested.
(C) the intended use of the product: for example: home, office, factory, coal mine, ship and so on.
(D). Parts table: Details of the composition of the product parts and models (classification number), rating, the name of the manufacturer. For insulating materials, please provide the name of the raw material, for example: GE Polycarbonate, Lexan Type 104. When the parts have been UL certified or approved, please prove the specific parts of the parts, and indicate the UL file number
(E). Electrical performance: for electrical and electronic products. Provide electricity schematic diagram (circuit diagram), electrical performance table.
(F). Structure: For most products, the need to provide product structure or explosion map, ingredients table.
(G). Product photo, instructions, safety, etc. or installation instructions.
3. Decisions based on the product data provided When the product information is complete, the UL engineer makes the following decision in accordance with the information: the UL standard of the test, the cost of the test, the time of the test, the number of samples, etc., in writing to inform you And send a formal application form and tracking service agreement to your company. The application form indicates the cost limit, which is the maximum project cost that UL estimates based on the test item. Without the written authorization of your company, the cost limit can not be exceeded.
4. Application for company remittance, return application form and sample UL certificate applicant in the application form and tracking service agreement signed, and the form sent to UL company, at the same time, through bank transfer, at the post office or by express mail Please sample the sample (eg name, model). Please send the application form and sample separately. For each application, UL will designate a unique project number to indicate the item number in the form of remittance, send the sample and application form, and apply for the name of the company for UL inspection.
5. Product Inspection Upon receipt of the application form, remittance, and test sample signed by your company, UL will inform you of the time at which the experiment plan is completed. Product testing is generally carried out in the United States UL laboratory, UL can also accept the audit of third-party test data. The experimental samples will be returned or destroyed according to your request. If the product test results meet the UL standard requirements, UL will issue a test report and tracking service rules (FollowUp Service Procedure) test report will detail the test situation, the sample to achieve the target, the product structure and suitable for the use of the product safety signs. The description of the product and the guidance to the UL Regional Inspector are included in the tracking service details. 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.
6. Applicants are authorized to use the UL mark. The UL Regional Inspector in China, contact the production plant for the initial factory inspection (Initial Production Inspection. IPI), inspectors check your product and its parts in the production line and warehouse To confirm whether the product structure and parts are consistent with the tracking service rules. If the requirements of the rules are required, the regional inspectors will also carry out witness experiments. When the inspection results meet the requirements, the applicant is authorized to use the UL mark. Following IPI, the inspector will inspect the product structure and inspect the product structure from time to time. The frequency of the inspection is determined by the type of product and the quantity of production. Most types of products are inspected at least four times a year. Ensure that the product continues to be consistent with the UL requirements. Before you plan to change the product structure or parts, please inform the UL, for smaller changes, do not need to repeat any experiment, UL can quickly modify the tracking service rules, so that inspectors can accept This change. When UL believes that the product changes affect its safety performance, the need to apply for the company to re-submit the sample to carry out the necessary testing.
7. If the product test results do not meet the UL standard requirements, UL will notify the applicant, indicating the existence of the problem, the applicant to improve the product design, you can re-submit the product, you should tell UL engineers, products made improvements, so that its Determine the above is the procedure for applying for UL certification.

UL certified product range

Any electronic, mechanical, or electromechanical product with a UL mark indicates that the product has met the minimum requirements of the generally accepted US and Canadian product safety standards, which are tested to comply with the relevant product safety standards and also represent the production plant Agreed to receive strict periodic checks to ensure product quality consistency, can be sold to the United States and Canada, the two markets.

UL certification cycle

Routine for 3-4 weeks, can be expedited, urgent need to pay another fee

Shenzhen UL certification agency

DePuhua testing (STS) as a professional authority of the third party testing agencies and UL certification agency, not only has an independent laboratory and a group of experienced UL certification engineers, but also for our customers to provide a full range of UL certification services , The company signed a mutual agreement with a number of countries, and issued by the report (or certificate), in line with US testing standards, to eliminate your product export trade barriers. If you have the relevant UL certification test requirements, please call us 400-1800-162, we sincerely welcome you to visit our company.
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