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UL History:
Underwriters Laboratories ® is an independent product safety certification organization that has been testing products and writing standards for safety for more than a century.  UL evaluates more than 19,000 types of products, components, materials and systems annually with 20 billion UL Marks appearing on 66,000 manufacturers´ products each year.  UL´s worldwide family of companies and network of service providers includes 68 laboratory, testing and certification facilities serving customers in 102 countries.

UL Marks and Labels:
There are many types of UL Marks, each with its own specific meaning.  The only way to determine if a product has been certified by Underwriters Laboratories® is to look for the UL Mark on the product itself.  In a few instances, the UL Mark may be present only on the packaging of a product.

Some products certified by UL are components that are intended to be used in the manufacture of a complete Listed product.  These components cannot bear the UL symbol, but may use a special recognized component mark.

The UL Mark on a product means that UL has tested and evaluated representative samples of that product and determined that they meet UL requirements.  Under a variety of programs products are periodically checked by UL at the manufacturing facility to make sure they continue to meet UL requirements.  The UL Marks may be only used on or in connection with products certified by UL and under the terms of written agreement with UL.  In addition to these marks, UL also provides access to the marks required in a number of other key world markets. 

UL Benefits:
For more than 100 years, the UL family of companies considers it as the leading safety and product certification company in North America, with an ever-expanding presence worldwide.

Benefits vary by country and local law requirements.  Detailed information on country specific benefits is discussed upon registration.

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