Varistor export to the United States for UL certification standards UL 1449. Why do varistors need to be exported to the United States? UL certification what?
Varistors exported to the United States need to apply for UL certification. After entering the 21st century, consumers' concepts are constantly changing. Price is not the only consideration. Certain brand identification is required to ensure confidence in the use of safety. Products with reliable UL certification marks represent a series of in-depth evaluations by UL professional engineers, which can bring consumer confidence.
Varistor for UL certification process
1. According to UL standards, evaluate which UL standards the product should meet;
2. Sign the contract and quote the certification fee;
3. Pay and submit information as required: BOM, circuit diagram, model, business license;
4. The application enterprise sends samples agel Laboratories test;
5. Pass UL test and issue draft test report;
6. If the factory has not done UL certification before, you need to do the first factory inspection;
7. The first factory inspection passed. UL issued UL mark use authorization, UL certification completed.
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