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.

Loading

Navigating the DLC QPL: Family Grouping and Product Data

This guide explores the types of product data available on the DLC SSL QPL, how products are grouped into families, and the distinction between parent and child products.

Key Takeaways
  • Describes the different types of product data available on the SSL QPL.
  • Explains the difference between parent and child products.
  • Explains the rationale for testing and reporting requirements for product families.
spreadsheet of map data

Outdoor Lighting Ordinances Map Data

Download the data from our outdoor lighting ordinances map. Last updated in June 2024.

Key Takeaways
  • Outdoor Lighting Ordinances for Mitigating Light Pollution in the US and Canada
Requirements for SSL Product Images

Requirements for Submitting SSL Product Images

The DLC accepts and displays product images on the Solid-State Lighting QPL (SSL QPL) to allow energy efficiency program staff to cross-reference product specification sheets with QPL listings more easily. Image submission is not required for qualification. This resource details the DLC's requirements and style guidelines for SSL product images.

In this Resource
  • Requirements and guidelines for formatting and submitting product images to display on the SSL QPL.

Guidance for Using Allowances

This resource provides examples of the testing required to qualify products to the SSL QPL using efficacy allowances, and explains how those allowances may affect the product’s QPL listing.

Key Takeaways
  • Provides four example scenarios for using efficacy allowances when qualifying products to the SSL QPL.

LUNA Additional Reading

Learn more about the effects of light on nighttime environments.

Key Takeaways
  • Outdoor lighting design
  • Effects of light pollution on wildlife
  • Inequities of outdoor lighting
Responsible Lighting at Night: Bridging the Inequality Gap

Webinar: Responsible Lighting at Night – Bridging the Inequality Gap

This webinar examines the societal and professional misconceptions, and safety and health implications of poor quality of light at night on marginalized communities. Panelists discuss how investments in well designed, responsible light can meet communities' needs.

Key Takeaways
  • How lighting choices affect the mental health, well-being, and safety of occupants.
  • The systemic choices that have led to underrepresented communities' lack of good lighting.
  • Ways that light has been used in systems of racism and oppression.

Still need help?

phone support

781-538-6425

Mon-Fri, 9am-5pm EST
For Application Support - Dial 1