The VDE mark is synonymous with safety and quality in electrical devices, components and systems for more than 100 years. The VDE Institute—a subsidiary of the VDE Group— is a worldwide partner for industry customers, business, government authorities, the electrical trade and consumers. . More than 100,000 devices per year are subjected to product, quality and safety tests by the VDE Institute’s independent testing engineers before they receive the VDE mark. Around the globe, VDE experts monitor more than 7,000 production facilities. Cooperation agreements with more than 50 countries ensure that the tests performed by the VDE Institute are internationally recognized. 200,000 types of products with millions of model variants bear the VDE mark worldwide.