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2. UL (safety organization) - Wikipedia

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

   The UL enterprise [4] is a global private safety company headquartered in Northbrook, Illinois, composed of three organizations, UL Research Institutes, UL Standards & Engagement and UL Solutions. Established in 1894, the UL enterprise was founded as the Underwriters' Electrical Bureau (a bureau of the National Board of Fire Underwriters ), [ 5 ...

3. IAPMO R&T - Wikipedia

   en.wikipedia.org/wiki/IAPMO_R&T

   IAPMO R&T was started in 1936 as a third-party listing agency specializing in plumbing and mechanical products. IAPMO R&T is accredited to certify products that meet the criteria of the Uniform Plumbing Code, Uniform Mechanical Code, Uniform Solar Energy Code, Uniform Swimming Pool, Spa and Hot Tub Code and other nationally recognized codes and standards in North America.

4. Uniform Plumbing Code - Wikipedia

   en.wikipedia.org/wiki/Uniform_Plumbing_Code

   Designated as an American National Standard, the Uniform Plumbing Code (UPC) is a model code developed by the International Association of Plumbing and Mechanical Officials to govern the installation and inspection of plumbing systems as a means of promoting the public's health, safety and welfare.

5. List of EN standards - Wikipedia

   en.wikipedia.org/wiki/List_of_EN_standards

   EN 934-2: Admixtures for concrete, mortar and grout - Part 2: concrete admixtures - Definitions and requirements; EN 966: Helmets for airborne sports - used in paragliding, hang gliding and flying with ultra-light aeroplanes. EN 980: Symbols for use in the labeling of medical devices

6. 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 ...

7. Nationally Recognized Testing Laboratory - Wikipedia

   en.wikipedia.org/wiki/Nationally_Recognized...

   The United States Occupational Safety and Health Administration (OSHA) requires that 38 different types of products, devices, assemblies, or systems used in the workplace be "approved" (i.e., tested and certified) by third-party organizations identified as Nationally Recognized Testing Laboratories (NRTLs). As part of OSHA's NRTL Program, the ...