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UL - Underwriters Laboratory

 

Underwriters Laboratory. Commonly referred to as “UL”. An independent organization whose responsibilities include rigorous testing of electrical products. When products pass these tests, they can be labeled and advertised as “UL Listed”. UL tests for product safety only.

 

Underwriters Laboratories Inc.
333 Pfingsten Road
Northbrook, IL 60062-2096

http://www.ul.com/

  UL Logo

 


UL Listed

Related to Underwriters Laboratory (UL). Products under its listing service are said to be “UL Listed,” identified by the distinctive UL mark.

 


UL Recognized Component

UL does not “approve” products. Rather it evaluates products, components, materials and systems for compliance to specific requirements, and permits acceptable products to carry a UL certification mark, as long as they remain compliant with the standards. UL offers several categories of certification. Products under its listing service are said to be “UL Listed,” identified by the distinctive UL mark. In some cases, a component may be “UL Recognized,” meaning UL has found it acceptable for use in a complete UL Listed product.

 

http://www.ul.com/

  UL Logo for UL Recognized Component