Qualification Requirements

Solid-State Lighting Qualification Requirements

  • Product Eligibility/Primary Use Designations

    Product Eligibility/Primary Use Designations

    The DLC qualifies commercial LED luminaires, retrofit kits, linear replacement lamps, mogul (E39/E40) screw-base replacements for HID lamps, and four pin-base replacement lamps for CFLs on the DLC QPL. Click below to see whether the DLC qualifies your specific product type.

  • Technical Requirements V5.0

    Technical Requirements V5.0

    Solid-State Lighting Technical Requirements V5.0 increases efficacy requirements across all product categories, providing increased energy savings and user satisfaction. V5.0 product applications will be accepted until January 31, 2021.

  • Technical Requirements V5.1

    Technical Requirements V5.1

    Effective on July 1, 2020, Solid-State Lighting Technical Requirements V5.1 begins to build a foundation for quality of light requirements, including spectral quality and glare requirements, and additional controllability requirements. V5.1 product applications will be accepted beginning July 1, 2020.

  • Testing and Reporting Requirements

    Testing and Reporting Requirements

    Retrofit kits, linear replacement lamps, mogul screw-base (E39/E40) replacements for HID lamps, four pin-base replacement lamps for CFLs, hazardous location lighting, color-tunable products, and field-adjustable products require additional test data or supporting documentation to ensure the submitted product meets the Technical Requirements. Review the information in this section to understand the requirements unique to these categories and for Safety Certification Requirements applicable to all submitted products.

  • Testing Lab Requirements

    Testing Lab Requirements

    DLC applications require that product testing be conducted at an accredited laboratory appropriate for the performance being evaluated. These tests may include in situ measurement tests (ISTMT), LM-79, LM-80, LM-84, or compatibility tests for four pin-base replacement lamps for CFLs.

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  • DLC Premium Requirements

    DLC Premium Requirements

    DLC Premium is a higher-performance classification for luminaires and retrofit kits. Products submitted to the DLC Premium classification must meet higher efficacy and lumen maintenance requirements and must also provide a driver ISTMT and information about integral controls.

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  • Past Technical Requirements

    Past Technical Requirements

    Development of Technical Requirements for the DLC Solid-State Lighting QPL is an ongoing process involving input from Members, stakeholders, and our Technical Committee. See below for an archive of past versions of the DLC Solid-State Lighting Technical Requirements.