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February 28, 2022

The DLC’s solid-state lighting program is “home to the largest and most influential list of high-performing commercial lighting products in the world.”

The DLC qualifies commercial LED luminaires, retrofit kits, linear replacement lamps, mogul screw-base (E39 /E40) replacement lamps, and four pin-base replacement lamps for CFLs for inclusion on the Solid-State Lighting QPL. 

Manufacturers must go through the following process to get their product DLC listed:

1. Submit an application which includes laboratory tests from an accredited laboratory that can ascertain appropriate testing conditions, testing equipment, and staff competencies necessary for accurate measurements.
2. Initial review from DLC to ensure all the proper documentation is provided.
3. Comprehensive review from DLC to ensure the product meets the Product Eligibility and Technical Requirements for the specific product categories to receive the desired accreditation.
4. Listing on the DLC QPL (Qualified Product List).
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