A clear explanation of UL’s various product certifications will help customers and others understand the meaning of UL’s Marks appearing on products.

Guidelines for customers with UL product certification

UL Certified Mark and Promotional Badge for Products

The UL Certified Mark for products is part of the enhanced Mark system. This system consists of the UL Certified Mark plus special promotional badge. The UL Certified Mark can be used for products certified under UL’s Listing and Classification services and for UL certifications for certain geographies. Any UL certified product currently carrying a UL Listed, Classified or Performance Verified Mark for the U.S. and Canada can switch over to the UL Certified Mark and promotional badge system. Also, products carrying the UL Mark for Japan (UL-JP Mark) and the European Union (UL-EU Mark) can also switch to the UL Certified Mark and promotional badge system.

Please note that promotional badges may not be used unless a product is also carrying a UL Certified Mark. UL also offers the UL Certified Mark and promotional badge with optional QR codes. Please also refer to the general guidelines for other promotional requirements.

References to the UL Certified Mark for Products
Sample Correct Reference Incorrect references
UL Certified Mark. UL Approved.
UL Certification Mark. UL Certification pending.
Certified by UL. New UL Certification Mark.
This product is certified by UL. Representative samples of this product have been evaluated by UL and meet applicable standards. UL QR Mark.
Enhanced UL Certification Mark.
This product has earned the UL Certified Mark.

UL Listed Mark

UL Listing means that UL has tested representative samples of a product and determined that it meets UL’s requirements. These requirements are often based on UL’s published and nationally recognized Standards for Safety.

For packaging, the UL logo may be used alone as long as the product (as opposed to any Listed component in or connected to the product) bears the complete UL Mark. Products using the UL Listed Mark are ineligible to use a promotional badge.

References to UL Listing
Sample correct references Incorrect references
UL Listed.

UL Listed to Canadian safety standards.

UL Approved.

UL Approved for Canada.

This product is Listed to applicable standards and requirements by UL. UL Listing pending.
This product is Listed by UL. Representative samples of this product have been evaluated by UL and meet applicable safety standards.
This product has earned the UL Listed Mark.

UL CLASSIFIED MARK

UL Classification typically means that UL has tested and evaluated samples of a product with respect to certain properties of the product. UL classifies products to:

  • Applicable UL requirements
  • Standards of other organizations

It is important to use the UL Classified Mark accompanied by a statement indicating the specific scope of the Classification. For packaging, the UL logo may be used alone as long as the product bears the complete UL Classification Mark. Products using the UL Classified Mark are ineligible to use a promotional badge.

References to UL Classification
Sample correct references Incorrect references
This product is Classified by UL as to (property or properties of product tested) only. [Include control number or file number] UL Classified. [Without any reference to the scope of the UL Classification]
UL Classified. See complete marking on product. [Include full marking on product] UL Approved.
This product is Classified by UL. Representative samples of this product have been evaluated by UL and meet applicable safety standards. This product is Classified by UL. [Without any reference to the scope of the UL Classification]
Classified by UL to [appropriate national or international standard]. UL Classified. [Without reference to the complete Classification marking on the product or packaging]
This product is UL Classified. [Without any reference to the complete Classification Marking elsewhere on the promotional piece]
UL Classification pending.

UL Recognized Component Mark

UL Component Recognition means that UL has evaluated components or materials intended for use in a complete product or system. These components are intended only for end-use products that may be eligible for UL certification.

Because UL Recognized Components are intended for specific applications, Marks or symbols using the letters “U-L” can never be used in connection with the advertising or promotion of UL Recognized Components. The appropriate symbol for promoting a UL Component Recognition is the UL Recognized Component Mark. Products using the UL Recognized Component Mark are ineligible to use a promotional badge.

References to UL Component Recognition
Sample correct references Incorrect references
UL Recognized Component. UL Approved Component.
Recognized under the Component Recognition Program of UL. UL Certified Component.

UL Listed Component.

UL Classified Component.

This [component or material] is Recognized by UL. Representative samples of this component have been evaluated by UL and meet applicable UL requirements. Exceeds UL requirements.

UL Functional Safety Listed Mark

UL Functional Safety Listing means that UL has evaluated representative samples of a product and determined that they meet additional requirements of a published functional safety standard. A functional safety investigation involves the evaluation of safety critical circuits in accordance with declared safety ratings relating to software, hardware, environmental stress factors (such as EMC) and safety lifecycle management processes.

For packaging, the UL Functional Safety Listed Mark may be used alone as long as the product – and not simply a component in or connected to the product – bears a complete UL Functional Safety Listed Mark. Products using the UL Functional Safety Listed Mark are ineligible to use a promotional badge.

References to UL Component Recognition
Sample correct references Incorrect references
UL Functional Safety Listed

UL Functional Safety Listed to Canadian/European safety standards.

UL Functional Safety approved.
UL Functional Safety approved for Canada/Europe.
Functional Safety Listed by UL. UL Functional Safety certified.
This product is Functional Safety Listed to applicable UL Standards and requirements by UL. UL Functional Safety Listing pending.
This product is Functional Safety Listed by UL. Representative samples of this product have been evaluated by UL and meet applicable safety standards.
This product has earned the UL Functional Safety Listed Mark.

UL FUNCTIONAL SAFETY RECOGNIZED COMPONENT MARK

UL Functional Safety Component Recognition means that UL has evaluated components or materials intended for use in an end-product certified for functional safety.

Because UL Functional Safety Recognized Components are intended for specific applications, Marks or symbols using the letters “U-L” can never be used in connection with the advertising or promotion of UL Functional Safety Recognized Components. The appropriate symbol for promoting a Functional Safety UL Component Recognition is the UL Functional Safety Recognized Component Mark. Products using the UL Functional Safety Recognized Component Mark are ineligible to use a promotional badge.

References to UL Functional Safety Component Recognition
Sample correct references Incorrect references
UL Functional Safety Recognized Component. UL Approved Functional Safety Component

UL Certified Functional Safety Component

UL Listed Functional Safety Component.

Functional Safety Recognized under the Component Recognition Program of UL. UL Classified Functional Safety Component.
This [component or material] is Functional Safety Recognized by UL. Representative samples of this component have been evaluated by UL and meet applicable UL requirements.

UL PERFORMANCE VERIFIED MARK

UL performance Verification means that UL has tested and evaluated samples of a product, typically against a specific performance standard. UL performance Verifies products to:

  • National or international industry performance standards
  • Manufacturer’s proprietary (internal) standards
  • UL requirements

It is important to use the UL performance Verified Mark only in conjunction with a statement indicating the specific scope of the UL performance Verification. Products using the UL performance Verified Mark are ineligible to use a promotional badge.

References to UL Performance Verification
Sample correct references Incorrect references
This product is performance Verified by UL as to [performance standard tested] only. UL performance Verified only.
Performance Verified by UL to [performance standard used for testing]. UL Approved.
This product is UL Verified. [Without any reference to the complete performance Verification marking elsewhere on the promotional piece]

UL Management System Certified Promotional Badge

A UL promotional badge can be used by customers with a UL certified management systems to promote a certification. A UL Certified Management System badge may never appear on a product, and may not be used to imply that a product has been certified by UL. The following are guidelines and rules for using the UL Certified Management System promotional badge, and making references to UL management system certifications in advertising and other promotional materials. Please ensure that the text on any promotional badge matches the scope of UL certification. Please also refer to the general guidelines for other promotional requirements.

References to UL Management System Certification
Sample correct references Incorrect references
Management system certified by UL with regard to [standard/CFR]. Our management system is approved by UL.
Management system, with regard to [standard/CFR], is certified by UL. Our management system is certified by UL. [without any reference to the scope of the UL management system certification]
Our management system is Listed [or Classified or Recognized] by UL.
Our management system produces UL certified products.

UL Process Certified Process Promotional Badge

A UL promotional badge can be used by customers with a UL certified process to promote a certification. A UL Certified Process badge may never appear on a product, and may not be used to imply that a product has been certified by UL. The following are guidelines and rules for using the UL Certified Process promotional badge, and making references to UL process certifications in advertising and other promotional materials. Please ensure that the text on any promotional badge matches the scope of UL certification. Please also refer to the general guidelines for other promotional requirements.

References to UL Process Certification
Sample correct references Incorrect references
Our [name] process is certified by UL to [standard/CFR]. Process approved by UL.
Process Certified by UL with regard to
[certification scheme]
Process is certified by UL. [without any reference to the scope of the UL process certification]
Our process is Listed [or Classified or Recognized] by UL.
Our process produces UL certified products.

Enhanced UL Certification Marks

Enhanced UL Certification Marks

The enhanced UL Certification Mark now bundles multiple Certifications into a single Mark; utilizes a unique identifier for easier access to information at www.ul.com/database; communicates geographic scope of certification through country codes; and describes the attributes that UL has Certified about a product.

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