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What is Underwriters Laboratories (UL)?

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Underwriters Laboratories Definition

Underwriters Laboratories (UL) is a safety organization that sets industry-wide standards for new products. UL testing ensures that wire sizes are correct and that electronics devices can handle the amount of current claimed by the manufacturer. UL is one of several companies approved to perform safety testing by the Occupational Safety and Health Administration (OSHA), but doesn’t always test the products themselves. UL can authorize manufacturers to conduct their own tests and UL follows up regularly to ensure the proper product tests and guidelines are being followed. The UL stamp or mark is placed on products after testing is passed.

FAQs

When was Underwriters Laboratory established?

The Underwriters Laboratory was established in 1894.

*Source: https://www.ul.com/

Is UL equivalent to CE?

UL and CE certifications are not the same. UL certification typically applies to products sold in the U.S. market and involves third-party testing to verify that electronic components meet certain safety criteria. CE certification, on the other hand, applies to products sold in the EU market and requires manufacturers to compile technical documentation and other evidence to demonstrate that their product meets the health, safety, and performance requirements set forth by the applicable EU directive or regulation.

*Source: https://dbkusa.com

How do you know if a product is UL certified?

Look for the UL trademark. Note: The UL is always in a circle, the U slightly above the L. Right under the UL trademark, the word LISTED or CLASSIFIED will appear in all capital letters.

*Source: https://www.thayerenergysolutions.com

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