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 home > Customer Support >FAQ
How do I check your UL or ETL certifications/file Nos?

   A Generally speaking, we encourage you to visit websites of and  for more information. In detail, that is UL's Online Certifications Directorywebsite and ETL's Directory of Listed Productswebsite, from which you may check our UL and ETL records through a few key words such as UL File No. E211201(for switches),  E188951(for receptacles),  E252773( for wall plates ), ETL control No. 2000087( for wall plates and weatherproof covers) or our company name Wenzhou Van-Sheen for information.

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