What is a UL testing?

What is a UL testing?

UL testing makes sure that wire sizes are correct or devices can handle the amount of current they claim to be able to. They also ensure that products are constructed correctly for the highest safety. A common misconception is that UL tests every product themselves.

What does UL stand for in lab results?

What Is Underwriters Laboratories? Underwriters Laboratories (UL) is a global safety science company, the largest and oldest independent testing laboratory in the United States. Underwriters Laboratories tests the latest products and technologies for safety before they are marketed around the world.

What type of testing is UL associated with?

UL is one of several companies approved to perform safety testing by the U.S. federal agency Occupational Safety and Health Administration (OSHA). OSHA maintains a list of approved testing laboratories, which are known as Nationally Recognized Testing Laboratories.

What is UL solar?

A comprehensive portfolio of independent technical advisory, testing, inspection, certification and software services to the solar energy industry. Learn more. Solar Energy Technical Advisory Services.

What are two types of UL certification?

There is no general UL certification. Instead, there are three different categories: UL Recognized, UL Listed and UL Classified.

What is UL certification for solar panels?

About the UL 1703 certification UL 1703 covers flat-plate photovoltaic modules and panels that comply with the National Electric Code (NEC), OSHA, the National Fire Prevention Association, and will be readily accepted by local inspectors in the USA.

What is a Class A solar panel?

1. Grade A solar cells. Grade A cells are simply without any visible defects, and the electrical data are in spec. The specifications of the cells can be measured with cell testing equipment. The perfect grade A cell may still have a slight bend of <= 2.0mm and a tiny color deviation is permitted.

What UL 1741?

UL 1741 SA is the new safety test standard certifying products which meet the rigorous requirements needed to ensure safe and reliable operation in support of grid modernization efforts. Grid support or “smart inverter” functionality will be required by Hawaii and California beginning September 8, 2017.

What countries use UL standards?

Combined UL Mark for Europe, Canada and United States Products in compliance with UL’s Listing and Follow-Up Service for Canada and the United States as well as our certification service for Europe and factory inspection requirements are eligible to bear a combined UL Mark for all three markets.

Is UL certification legally required?

Though UL certification is not legally required, to sell to many retailers, imported products need to be UL certified. Some retailers will not consider products that are not UL listed.

How do I get my product UL certified?

Use UL Recognized Components to reduce required testing. Obtain the conditions of acceptability and ratings for all components used in your product. Verify that all components are suitable for how you’re planning to use them. Your components supplier can provide all the information necessary to address these issues.