Welcome to the UL Standards Certification Customer Library!
As a UL Certification Customer, you will be able to access all of our standards
through this portal. Please begin the registration process by entering your UL Subscriber
ID and Password that was contained in the letter you received from Underwriters
Laboratories, Inc (see sample letter).
If you do not know your UL Subscriber ID, please contact our customer service number
at 888-853-3503 (For international call numbers,
click here).
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