ETL is the abbreviation of the American Electronic Testing Laboratory (ETL Testing Laboratories Inc). It was founded by Thomas Edison in 1896 and is an NRTL (National Recognition Laboratory) recognized by the U.S. OSHA (Federal Occupational Safety and Health Administration). After more than 100 years, the ETL mark has been widely recognized and accepted by major retailers in North America, and enjoys a high reputation like UL. The ETL mark is the exclusive mark of Intertek, the world's leading quality and safety organization. Any electrical, mechanical or electromechanical product with the ETL inspection mark indicates that it has been tested and meets the relevant industry standards.