Intertek Testing Services
Electrical Testing Laboratories - ETL has been conducting electrical performance and reliability tests since 1896 under Thomas Edison. In 1988, ETL was acquired by Inchcape, which in turn was bought out by Charterhouse Development Capital in 1996. The company was renamed Intertek Testing Services, forming the present-day Intertek, is a global leader in testing inspection and certification services. The ETL Listing Mark and C-ETL Listed Mark are accepted throughout the United States and Canada when denoting compliance with nationally recognized standards such as UL, ANSI, ASTM, NFPA, NOM, UL, and CSA. Intertek is an OSHA-recognized Nationally Recognized Testing Laboratory - NRTL and is accredited as a Testing Organization and Certification Body by the Standards Council of Canada.
The ETL Listing mark indicates that the product has been tested to meet the minimum requirements of a widely recognized product safety standard, that the manufacturing site has been audited, and that the applicant has agreed to a program of periodic factory follow-up inspections to verify continued conformance. An ETL Listing mark may include a small US and/or C, indicating that it follows product safety standards for the United States and/or Canada, respectively.