Certification Marks
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ETL Listed Mark An electrical, mechanical or electro-mechanical product bearing the North American ETL Listed mark signifies that it was tested to and meets the minimum requirements of applicable product safety standards. Additionally, the mark indicates that the manufacturer's production site conforms to a range of compliance measures and is subject to periodic follow-up inspections to verify continued conformance. A product bearing the ETL Listed mark with the "us" identifier at the 4 o'clock position has been tested and deemed compliant to U.S. product safety standards only. An ETL Listed mark with a "c" identifier at the 8 o'clock position means the product bearing it complies with Canadian product safety standards only. And an ETL Listed mark with both "us" and "c" identifiers at the 4 o'clock and 8 o'clock positions respectively, signifies that the product bearing the mark complies with both U.S. and Canadian product safety standards.

GS Mark A products bearing the GS mark indicates that it was tested to and meets the minimum requirements of the German Device Safety Act. The GS mark, a licensed mark of the German government, may only be issued by an accredited product safety testing and certification agency such as Intertek.

S Mark An electrical, mechanical or electro-mechanical product bearing the S mark signifies that it was tested to and meets the applicable requirements of harmonized European Union product safety standards. Applying the S mark to your product will distinguish your products from those that only have CE marking.