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| » Power Supply Safety & Performance Certifications |
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Power supply safety certification is highly important and required by law in many
countries. Agency and organizational markings tend to breakdown geographically, UL representing the United
States, CSA for Canada, with Europe represented by TUV, Nemko, and others.
Each agency tries to promote their mark as a universal stamp, but due to local customs
and laws, a power supply manufacturer will usually get certification with some combination of UL, CSA, and
one or more European stamps. The agencies themselves have agreements in place allowing multiple
certifications within a single testing facility.
Listed below are some of the more common agencies and their safety marks.
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| UL |
Underwriters Laboratories Inc. (UL) is an independent, not-for-profit
product-safety testing and certification organization. Primarly identified with the North American
market, UL has tested products for public safety for more than a century. Computer power supplies
should bear the UL mark for component parts, shown below are component marks for US, Canada, and
combined US & Canada. Every North American computer power supply should have at least one of
these marks. http://www.ul.com/ |
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| CSA |
The Canadian Standards Association is a not-for-profit membership-based
association serving business, industry, government and consumers in Canada and United States. CSA
Marks appear on over one billion products worldwide. Each mark tells you that an authorized testing
laboratory has evaluated a sample of the product to determine that it meets applicable safety standards.
http://www.csa.ca/ |
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| TUV |
Headquartered in Cologne, Germany, TUV is one of the leading providers of
technical services worldwide, including product safety testing. With over 130 years of experience,
TUV safety marks are prevalent in the including computer power supply industry, issuing multiple
certification types for many different countries. Shown are a couple common power supply TUV safety
marks. http://www.tuv.com |
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