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Security & Signaling

Nurse calling stationWelcome to the security and signaling section of UL.com. UL is the leading third-party certification agency for security and signaling products and systems. A UL certification provides the quickest and surest route to product acceptance by regulatory authorities, insurers, law enforcement organizations, government, retailers and consumers.

If you are a security and signaling products manufacturer you will find information on how UL can help you address your conformity assessment needs. Click on the link that best describes your business to learn more about:

  • The UL advantage
  • UL's complete service offering
  • How to order UL Standards for Safety
  • How to request a quote for product submittal
  • Calendar of events
  • Effective dates for file reviews
  • Dedicated Security and Signaling Marks

Contact Customer Service

UL Customer Service is available from 7:00 a.m. - 6:00 p.m. across all North American time zones to provide you with a quote or project status, or to offer you assistance in resolving non-technical questions. Contact customer service, learn how to submit a product for testing or begin the product submission process.