The () or GS mark is a voluntary certification mark for consumer products. It indicates that a product meets German and, if available, European safety requirements for such devices. The main difference between GS and CE mark is that the compliance with the European safety requirements has been tested and certified by a state-approved independent lab.TÜV Rheinland: GS Mark – A Product Safety Mark for German MarketTÜV SÜD | GS Mark Testing and Certification Services CE marking, in contrast, is issued for the signing of a declaration that the product is in compliance with European legislation. The GS mark is based on the German Product Safety Act (, or ).
Testing for the mark is usually conducted by authorized laboratories such as IFA and in Germany; in Italy; NEMKO in Europe and Underwriters Laboratories in the United States.Intertek
Although the GS mark was designed with the German market in mind, it appears on a large proportion of electronic products and machinery sold elsewhere in the world.
See also CE mark UL mark
References
External links UL GS