ETL Semko is part of Intertek Testing Services Co., Ltd., the company is the world's largest product and commodity inspection organization, in North America, Europe, Asia 93 countries have 240 laboratories, 469 offices.ETL Semko provides the product safety testing and certification, EMC testing, product performance testing, while providing such as medical, HVAC, appliances, telecommunications, aerospace, automation, semiconductor, building materials, energy generation system to a variety of industry quality management system registered.

Any electrical, mechanical and electrical products as a test of ETL logo shows it is after testing in line with the relevant industry standards. Every industry have different testing standards, so for that specific product requirements must consult with a professional.ETL inspection mark in the cable products widely used, is demonstrated by the test.

ETL certification is the products exported to the United States and Canada required certification.ETL mark product has been approved by the.Intertek test NRTL in America and Canada or SCC is OSHA and SCC approved a license issuing agency. Our company in cooperation with Intertek, the ETL certification.ETL logo recognition and UL or CSA sign has the same effect and safety standard. Products have ETL listing mark means that it has to meet the minimum requirements for product safety standards. In addition, ETL logo said the manufacturer's production site in line with the requirements of a range of standard, factory audit and follow up regularly by learning to ensure consistency. ETL has more than 3 the letter is 100 years.ETL electrical testing laboratory in 1896, Mr. Edison founded the inventor (Electrical Testing Labs) or.ETL represents the innovative, influential, independent Open product testing and rich experience.

ETL is the exclusive symbol of the quality and safety of the world's leading Service Corporation Intertek, its history can be traced back to 1896. The American inventors Edison lamp testing Bureau (Lamp Testing Bureau), in 1904 changed its name to "Electrical Testing Laboratories", has become today's ETL, enjoys a high reputation in the United States and the world. Since it was founded more than a century, ETL has developed into a diversified laboratory, and by the United States Federal occupation safety and Health Administration (Occupational Safety and Health Administration-OSHA) as a nationally recognized testing laboratory (National Recognized Testing Laboratory-NRTL). At the same time, the Canadian Standards Association (Standards Council of Canada-SCC) also ETL is the recognized certification body (Accredited Certification Body) and Accredited Testin (testing agency G Organization), recognized the product safety certification organization of the Canadian independent. SEMKO was founded in Sweden in 1925, the Swedish government approved mandatory safety certification unit, can be said to be the Inspection Bureau.SEMKO Inspection Institute of Sweden is one of the earliest in the world to do safety testing organization, by the Swedish accreditation and conformity assessment committee (Swedish Board for Accreditation and Conformity Assessment-SWEDAC) as a nationally recognized laboratory, is the designated agency number under the EU Directive (Notified Body), is the International Electrotechnical Commission (International Electrotechnical Commission-IEC) CB plan issued by the testing and certification testing organizations reporting the largest number of.SEMKO acquisition by Intertek group in 1994.

Federal authorities in the United States for electrical products and without any mandatory certification requirements, and that including ETL, UL, etc. most of the certification institutions. In fact, as long as it is approved by the occupational safety and Health Administration (OSHA) NRTL, can according to current safety standards, is the product of electrical products and gas (fuel) to provide an independent assessment, testing and certification services.

With UL, CSA, ETL can according to UL standards or national standards testing issued by ETL certification mark, also in accordance with UL standards or national standards and CSA Standard or Canadian standard test issued by the complex certification logo.ETL sign below and to the right of the "us," said applies to the United States, at the bottom left of the "C" said applies to Canada, and with "us" and "C" is in the two countries are applicable.

Any electrical, mechanical and electrical products as long as with ETL mark shows the product has reached the minimum requirements of generally recognized by the American and Canadian products safety standards, it is through the Intertek is nationally recognized testing laboratory (NRTL) test, in accordance with the relevant national standards; but also represent the factory agreed to receive strict regular inspection, to ensure consistency of product quality can be sold to the United States and Canada market. To distributors, retailers and consumers is what they purchase the third-party testing and certification of products.

ETLus mark (only us, there is no c): products to enter the American market security logo logo cETL (only C, not us): products to enter the Canadian market's cetlus mark logo: products to enter the market in the United States and Canada market security signs factory inspection American ETL certification is required to check the four times, Canada 2 times a year; in both has four times a year.