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About us

Underwriters Laboratories of Canada (ULC) is an independent product safety testing, certification and inspection organization. We have tested products for public safety for 100 years and we are accredited by the Standards Council of Canada.

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Customer Service Center
Underwriters Laboratories of Canada
7 Underwriters Road
Toronto, Ontario, Canada M1R 3A9
Hours of operation: Monday to Friday, 8:00 AM to 5:00 PM
Tel: 1.416.757.3611
Fax: 1.416.757.8915
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