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Product Certification FAQs:

What is UL (Underwriters Laboratory) and why is it important?
Underwriters laboratory is the most recognized 3rd party safety certification company in the USA. They require products in specific categories to meet certain safety requirements in order to earn approval. US Breaker highly recommends checking for the UL or UR stamp on the electrical parts that you purchase. More information may be found at their website: https://www.UL.com
What is the NEC (National Electric Code)?
The NEC sets standards for how electrical products are applied, sized, and coordinated. For more information please visit their website https://www.nfpa.org



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