History of UL


In 1894 William Henry Merrill founded Underwriters Laboratories. Or UL for short. “Underwriters’ Electrical Bureau” was its original name. Then, in 1903 they published their first literature on safety. It was titled “Tin-Clad Fire Doors”.

The safety lab leaped into modern testing. Their certification of the first motor-driven phonograph was in 1907. As a result of keeping up with the times, one hundred years later they made another leap. Testing of the modern CD player.

Recognition of the Testing Lab

Underwriters Laboratories has become the best-known independent testing lab in the world. Also, they are the most recognizable. Therefore, UL performs testing on a range of products. Their testing procedures assess the quality of the individual product. As well as, it’s safety.

According to their website “UL certifies, validates, tests, verifies, inspects, audits advises and educates.” They do all of these through their testing services. UL does all of these for companies. Especially, those looking to ensure their products comply with regulations. As well as safety.

Products within the United States are not the only ones certified. Companies worldwide also recognize UL’s certifications.

UL and International Influences

UL studies international certification standards. They also, study their practices.

There is the same level of safety for products that in the U.S.A. as those going outside of the states.

Furthermore, UL has made a strong effort to standardize safety requirements. They have also, made an effort to standardize protocol. These are as well as, certifications around the world.

A Testing Lab

Underwriters Laboratories is very adamant about clarifying something.

UL wants it well expressed that they are a testing lab.

They are not an approval lab.

Also, they are not a government agency.

They do not have the right to approve any product for a consumer.

However, their certification process is held at a high level. Due to this, the government takes their certification into account during the approval processes.

Helpful Links

To learn more about Ground Straps. As well as the Wire Harness Assembly process, please click on the links below:




0 replies

Leave a Reply

Want to join the discussion?
Feel free to contribute!

Leave a Reply