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The CB scheme is an international system operated by the IECEE for mutual recognition of test results and certificates relating to the safety of electrical and electronic components, operating equipment and products on the basis of a multilateral agreement between participating countries and certification organizations.

More than 50 countries currently take part in the CB scheme, including Austria, Belarus, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Russian Federation, Saudi Arabia, Kenya, South Africa, India, China, South Korea, Singapore, Thailand, Japan, Canada, USA, Mexico and Argentina.

The CB scheme makes it much easier for manufacturers to market their electrotechnical products at an international level. A CB certificate and the CB test report allow manufacturers to apply more quickly for the respective national certification marks for various target markets.

CE stands for Conformité Européenne, which translates from French to English as 'European Conformity'. CE certification is an EU safety directive that indicates that a product has passed certain tests and means that a product can legally be sold anywhere within the EU and the European Economic Area.

While for some products, CE marking can be carried out by the manufacturer themselves, other products must be tested by a company that offers CE marking services.

CE certification and marking assures your product can enter the European Union and allows free movement throughout the nearly 30 countries that make up the European Economic Area, giving you direct access to over 500 million consumers. If a product that should display a CE mark is found not to have one, the manufacturer or distributor could be fined and face expensive product recall – so compliance is essential.

RoHS stands for Restriction of Hazardous Substances, and impacts the entire electronics industry and many electrical products as well. The original RoHS, also known as Directive 2002/95/EC, originated in the European Union in 2002 and restricts the use of six hazardous materials found in electrical and electronic products. All applicable products in the EU market since July 1, 2006 must pass RoHS compliance.

Directive 2011/65/EU was published in 2011 by the EU, which is known as RoHS-Recast or RoHS 2. RoHS 2 includes a CE-marking directive, with RoHS compliance now being required for CE marking of products. RoHS 2 also added Categories 8 and 9, and has additional compliance recordkeeping requirements.

Directive 2015/863 is known as RoHS 3. RoHS 3 adds four additional restricted substances (phthalates) to the list of six.

UL stands for Underwriter Laboratories, a third-party certification company that’s been around for over a century. They certify products with the aim to make the world a safer place for both workers and consumers. If the relevant sample passes the test in any given case, it merits a “listing” which can be seen online at www.ul.com. Once a unit has been UL listed it means a representative of UL has tested a sample of the product and determined that it meets UL’s requirements. They base these requirements on UL’s published and nationally recognized Standards for Safety.

UL certification is a voluntary certification. It is a non-mandatory certification in the United States. It is mainly for product safety performance testing and certification. It is the most recognized certification in the United States. Therefore, for the US market, products with UL certification mean more Business opportunities. Another reason that UL is generally recognized in the United States is that all UL-certified products. If consumers have serious consequences due to product quality problems after purchase, consumers can complain to suppliers, and suppliers can easily obtain property insurance companies. Payment.