What is the GS mark?
The GS mark is a seal of approval for "Geprüfte Sicherheit" (Tested
Safety) and it is regulated by German law (German Product Safety
Act). This test mark is recognized worldwide. For you as
manufacturer, the GS mark demonstrates to your customers that you
subjected your product to a voluntary product and safety test
conducted by an officially recognized test center.
Is the GS mark mandatory?
No, you are not required to have your products GS certified. As a
manufacturer, you may decide whether you voluntarily will have your
products tested for safety.