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  2. UL (safety organization) - Wikipedia

    en.wikipedia.org/wiki/UL_(safety_organization)

    The Recognized Component Mark The Recognized Component Mark (left) on a printed circuit board. The Recognized Component Mark is a type of safety certification mark issued by UL Solutions. It is placed on components which are intended to be part of a UL certified end product, but which cannot bear the full UL mark themselves. [51]

  3. UL 94 - Wikipedia

    en.wikipedia.org/wiki/UL_94

    Printed circuit board with the mark "94V-0" in the bottom-left corner. UL 94, the Standard for Safety of Flammability of Plastic Materials for Parts in Devices and Appliances testing, is a plastics flammability standard released by Underwriters Laboratories of the United States. [1]

  4. Certification mark - Wikipedia

    en.wikipedia.org/wiki/Certification_mark

    Canadian certification label on a bag of rockwool Counterfeit electrical cords with false UL certification marks. A certification mark on a commercial product or service is a registered mark that enables its owner ("certification body") to certify that the goods or services of a particular provider (who is not the owner of the certification mark) have particular properties, e.g., regional or ...

  5. Electrical equipment in hazardous areas - Wikipedia

    en.wikipedia.org/wiki/Electrical_equipment_in...

    Mark for ATEX certified equipment for explosive atmospheres. In Europe the label must show the CE mark and the code number of the certifying/notified body). The CE mark is complemented with the Ex mark: A yellow-filled hexagon with the Greek letters εχ (epsilon chi), followed by the Group, Category, and, if Group II, G or D (gas or dust).

  6. Certification listing - Wikipedia

    en.wikipedia.org/wiki/Certification_listing

    A certification listing is a document used to guide installations of certified products. After a field installation is completed, it is compared to the list to make sure that it complies with a regulation (e.g., a building code).

  7. Fire damper - Wikipedia

    en.wikipedia.org/wiki/Fire_damper

    UL Marking and Application Guide for Dampers Archived 2013-12-13 at the Wayback Machine Abstract on UL33 Heat Responsive Links for Fire-Protection Service ASTM E2912 Standard Test Method for Fire Test of Non-Mechanical Fire Dampers Used in Vented Construction

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  9. Type approval - Wikipedia

    en.wikipedia.org/wiki/Type_approval

    The CE mark found on the back of many electronic devices does not mean that the product has obtained type approval in the European Union. The CE mark is the manufacturer's declaration that the system/assembly meets the minimum safety requirements of all the directives (laws) applicable to it, and of itself, does not signify any third party ...

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