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Standards and agreements

ANSI : American National Standard Institute; a standard-setting agency of the United States which approves the design and/or performances of electronic/electrical components distributed in the world market. Official website www.ansi.org

CSA : Canadian Standard Association

IEC : International Electrotechnical Commission

IECQ : IEC's Quality Assessment system for Electronic Components, created in 1983 to facilitate national and international trade in certified electronic components. A worldwide certification system which provides a method whereby electronic components made and handled by approved manufacturers and distributors can be used anywhere without further testing.

NEMA : National Electrical Manufacturers' Association. A US Standards setting group. For switch products most often applied to switches mounted in various enclosures offering specified degrees of protection against intrusion of liquids, dust, corrosive elements, etc. NEMA ratings are common in industrial or outdoor applications. See IP.

SEMKO : Svenska Elektriska Materielkontrollanstalten of Sweden

SEV : Schweizerischer Elektrotechnisher Verein of Switzerland

UL : Underwriters laboratories Inc.

VDE : Verband Deutscher Elektrotechniker of Germany

RoHS : The Directive on the Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment 2011/65/EC (commonly referred to as the Restriction of Hazardous Substances Directive or RoHS) was adopted by the European Union. The RoHS directive took effect on 1 July 2006, and is required to be enforced and become law in each member state. This directive restricts the use of six hazardous materials in the manufacture of various types of electronic and electrical equipment. It is closely linked with the Waste Electrical and Electronic Equipment Directive (WEEE) 2011/65/EC which sets collection, recycling and recovery targets for electrical goods and is part of a legislative initiative to solve the problem of huge amounts of toxic e-waste.