Development of Technical Requirements for the DLC QPLs is an ongoing process involving input from Members, stakeholders, and our Technical Committees. The DLC strives to be responsive to the constantly-evolving market and ensure that updates serve the needs and interests of both our Member utilities and our many industry stakeholders equally. Please see below for an archive of past versions of the DLC Technical Requirements.

Please click the button to view an archive of past versions of the DLC Solid-State Lighting Technical Requirements.

Please click the button to view an archive of past versions of the DLC Networked Lighting Controls Technical Requirements.

Please click the button to view an archive of past versions of the DLC Horticultural Lighting Technical Requirements.