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To find Quartz Technical Service's UL Approval certification on the Underwriters laboratory web site please follow the procedure below : Quartz Technical Services Ltd's Approval number is E173217

Boards manufacured by Quartz tsl will have a UL logo which will look like the images below. However each date code will be different because because of the week and year manufactured.

• Go to the Underwriters laboratory website at www.ul.com.
• next step
• View the intro sequence to the web site or skip the intro via the link provided by UL.
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• Click on the customers section out of the four sections on the main page.
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• Look at the top of the page for the link for "UL Online certificate directory ".
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• At the database page type in the name "quartz" in the space for company name and enter the country "united kingdom".
• next step
• The database should find Quartz technical services Ltd's certification page for your inspection.
  • Or click here on " www.ul.com/database/index.htm "if you wish to go straight to the UL searchable database or on the UL logo in the top right of this page and enter the UL file number for Quartz E173217.