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Standards

UL has developed more than 1,000 Standards for Safety. These are essential to public safety and confidence, reducing costs, improving quality, and marketing products and services. Millions of products and their components are tested to UL's rigorous safety standards with the result that consumers live in a safer environment than they would have otherwise. Through UL Environment, UL is also developing Standards for Sustainability for both products and organizations.

Standards Certification Customer Library

UL certification customers can access UL, ULC and ULE Standards here. Other features include a customized standards library with e-mail notifications of all updates, including revisions and proposals, to UL Standards material in your library. If you're not sure if your company already uses the Standards Certification Customer Library web site, please contact Customer Service. 

Collaborative Standards Development System

UL's Collaborative Standards Development System (CSDS) provides online access for review and submitting information for UL's Standards development process. General access is available for information on STP meetings, submitting proposals, and proposals available.

Sales of Standards Materials

UL Standards are available from our on-line Standards Sales site. To provide greater flexibility to UL clients and others worldwide, we offer purchasing options for obtaining UL Standards and Standards-Related Products and Services. For additional information on available products, refer to the UL Catalog of Standards.

Standards Technical Panels

UL Standards are developed using the Standards Technical Panel (STP) Process. Many of UL's Standards are American National Standards that utilize STPs as the consensus body. Information on UL STPs, including how to join an STP, a list of existing STPs, and details on the process are available. Learn more.

Harmonization Information

Numerous UL standards are harmonized with other organizations, on regional (ULC, CSA and ANCE) or international levels (IEC). Information on harmonization activities, procedures, publication coordinators, and status logs are available. Learn more.

Underwriters Laboratories of Canada (ULC) Standards

ULC Standards develops and publishes standards and specifications for products having a bearing on fire, life safety and security, crime prevention, energy efficiency, environmental safety, security of assets and facilities, live working and workplace safety and other areas. Learn more.