U/L (Underwriters'Laboratories, Inc.)

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814-Other Federal Agencies

U/L (Underwriters' Laboratories, Inc.) go back

Underwriters Laboratories, Inc conducts tests for safety and classification on wiring,electrical appliances, classified building materials (blown-in insulation, plywood, etc.) and provides a U/L seal which guarantees the safety of that product. Complaints about the safety of a product with a U/L seal should go first to the manufacturer of the product and then to Underwriters Laboratories, Inc.

Underwriters Laboratories, Inc.


Underwriters Laboratories, Inc.

Corporate HQ

333 Pfingsten Road

Northbrook, IL 60062-2096


Customer Service: 877.UL.HELPS (877.854.3577)

Email: cec.us@us.ul.com

(847) 272-8800

See Also:

Consumer Product Safety Commission (U.S.)