The DLC offices will be closed from December 25th, 2024 through January 1st, 2025.  We do not anticipate any delays in application processing from this closure.  Please email info@designlights.org with any questions.

The DLC is pleased to announce that the SSL V5.1 product applications are now being accepted through the DLC Application Portal. Manufacturers may now use the V5.1 application form to submit new products for listing under V5.1 or to update V4.4 or V5.0 listed products to V5.1. View the timeline below and V5.0 & V5.1 Manufacturer and Industry Guidance for more details on application windows for V5.0 and V5.1 products.

As indicated in the V5 Technical Requirements documents, DLC application fees have been updated, effective today. All applications invoiced on or after today, July 1, 2020, will reflect the new fees, regardless of the submission date or Technical Requirements version of the application. Full details about the new application fees are available on the DLC website.

V5.1 Updates to the SSL QPL

Effective today, you will see a few changes on the online SSL QPL and QPL download that reflect new V5.1 product data fields. 

Changes to the online SSL QPL:

  • The “Product Features” tab and filter have been renamed “Control Features” and include fields for the new V5.1 controllability data.
  • A new “Distribution and Glare” tab and filter displays V5.1 BUG rating and beam angle data.
  • The “Zonal Lumens” and “Spacing Criteria” tabs have been removed from the product tiles.
  • New fields have been added to the “Customize Columns” feature and are grouped by topic for ease of use.

Changes to the QPL download:

  • New V5.1 fields have been added, and the order of the columns has been updated to group fields by topic.
  • “Zonal Lumens” and “Spacing Criteria” fields have been removed from the download.

Changes to Low-Bay products and dimming data:

  • To reflect the V5.1 updates to Primary Use Designations, affected products will be automatically transitioned to the new Low-Bay PUD over the July 4th weekend, starting on July 3.
  • “Dimming Type” and “Dimming Status” data will be consolidated into a new “Dimming Capability and Range” field over the July 4th weekend.

V5.1 Resources for Testing and Submitting Products

SSL Technical Requirements V5.1 encompasses significant product testing and reporting changes from previous versions of the requirements, including new requirements for LM-79 test reports and IES files, the introduction of new spectral quality and controllability metrics, and more. To help ease this transition, resources related to testing and submitting products under V5.1 are now available to download on the DLC website, including:

If you have questions about any of the information described above, please reach out to us at info@designlights.org and we’ll be happy to help you out.