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What is a UL Certification? [Safety Standard]

DISCLAIMER: AS AN AMAZON ASSOCIATE I EARN FROM QUALIFYING PURCHASES. THIS POST CONTAINS AFFILIATE LINKS THAT WILL REWARD ME MONETARILY OR OTHERWISE WHEN YOU USE THEM TO MAKE QUALIFYING PURCHASES. FOR MORE INFORMATION, PLEASE READ MY EARNINGS DISCLAIMER.

There is a reason for everything in life, and that includes certifications by reputable agencies. What else will tell you better about the quality of the product than actual proof that it has been tested and graded by professionals? 

UL Certification is a test, that is controlled by Underwriters Laboratories (or UL) and section #1950 covers power supplies. This is a standard that is specifically related to the safety of the equipment.

As far as safety certification goes, they say:

If product is UL-certified, that means it’s a good product

That does not mean that there are no good products that are not UL-certified! Your product may be just as good in quality, only it was not certified (check manufacturer specifications).

But the general rule is that UL-certified products are of high quality and they have been tested for it. According to  Safety Considerations in Power Supply Design:

A working group of the IEC (TC-74) had generated a harmonized standard, IEC60950 (third edition), to cover products from all three industries (information technology, electrical business equipment and telecommunications).

Here is a list of IEC Standards operated by the IECEE filtered by ICE 60950.


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