UL Product iQ, formerly known as the Online Certification Directory (OCD), has a new look and is easier to use than ever before. The intuitive search tool allows you to quickly locate the product or component that will meet your needs. If you dont have an exact certification number, no worries. The powerful search engine accesses the UL certification database permitting you to start searching with a single key word or a variety of other information pieces like: CNN, file number, assembly number, design number, system number or construction number just to name a few. Refining search results with filters makes it easy to also identify alternate solutions.