About UL | Careers | Contact Us

Clients Industries Regulators Retailers Consumers Newsroom

Standards Certifications Online Tools UL University FAQ

Frequently Asked Questions

Have a specific question about UL's services? To find the answer, select a general category at the top of the screen. If you are not sure what category your question falls into, you can also conduct a search of the FAQ pages.

If you need immediate assistance, please contact a member of UL's customer service team by accessing the Customer Service page. Customer service advisors are located at each one of UL's laboratory facilities in the United States. They answer questions, provide information and assist customers as they work with UL on testing and certification projects. Although they are based in the U.S., our advisors assist customers in all regions of the world.

FREQUENTLY ASKED QUESTIONS Home Standards Product Directories Submitting Products UL Terminology UL Background Follow Up Services File Maintenance Accounting/Billing International Compliance Regulatory Services Confidentiality Resolving Variation Notices Data Acceptance Program Other Share Your Comments Update Billing/PO Info Print this Page E-mail this Page