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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 ...
The testing and certification are conducted in accordance with U.S. consensus-based product safety test standards. These test standards are not developed or issued by OSHA but by U.S. standards organizations (e.g., ANSI, the American National Standards Institute ) arrived at by consensus amongst representatives of other standards organizations ...
After testing, the testing laboratory issues a confidential test report to the manufacturer. If the product passes the testing required for certification, the items in the test that passed are given a certification listing, which describes the product(s) that were tested, the application, and maximum and minimum tolerances for all components.
The UL GREENGUARD Certification Program requires that products undergo independent, scientific testing and ongoing monitoring of their chemical emissions. [1] Only products that meet UL Environment’s stringent emissions standards qualify for certification. These standards are based on established criteria from key public health agencies.
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 ...
A 'Zener Barrier', opto-isolator or galvanic unit may be used to assist with certification. A special standard for instrumentation is IEC/EN 60079–27, describing requirements for Fieldbus Intrinsically Safe Concept (FISCO) (zone 0, 1 or 2) (This special standard has been withdrawn, and has been partially replaced by: IEC/EN60079-11:2011 and ...
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] The standard determines the material's tendency to either extinguish or spread the flame once the specimen has been ignited.
The LEED Professional Exams are administered by the Green Business Certification Inc. (GBCI) for professionals seeking to earn credentials and certificates. The exams test knowledge based on the U.S. Green Building Council's Leadership in Energy and Environmental Design (LEED) Rating Systems.