DLC Releases Final Version of SSL Technical Requirements Version 4.4

October 3, 2018

This update by the Design Lights Consortium consists of new policies that will allow high performance, energy efficient horticultural lighting products, DC and PoE products, and field-adjustable light output products to be qualified and listed on the DLC QPLs.

These revisions will be added to the Technical Requirements as Version 4.4 and go into effect on Thursday, October 18, 2018.

This release also includes a second draft of the DLC requirements for products with field-adjustable light distribution. Comments on this second draft policy are due using the DLC comment form by Monday, October 22, 2018.

Version 4.4 of the DLC application form will be made available shortly on the DLC Application Instructions pages for Single Product, Family Grouping, Private Label, and Product Update applications. This form must be used for any applications submitted on or after October 18, 2018. Uploading a different version of the application form after October 18 will result in an upload error.

Find out more: https://mailchi.mp/designlights/final-policy-release-technical-requirements-v44?e=ea7a9dcaae.

Related Articles

Changing Scene

  • LEDVANCE Expands Ontario Presence with New Specification Agent

    LEDVANCE Expands Ontario Presence with New Specification Agent

    LEDVANCE is pleased to announce the appointment of Sterling Architectural Products Ltd. (Sterling Lights) as their new specification agent in Ontario. This partnership strengthens LEDVANCE’s presence in the region and reinforces their commitment to serving the professional lighting design and specification community with innovative, reliable lighting solutions. With decades of experience and a service-driven mindset,… Read More…

  • May 29, 2025 - Eureka Wins Three 2025 Red Dot Awards for Product Design

    Eureka Wins Three 2025 Red Dot Awards for Product Design

    Eureka is pleased to announce that its Velia, Cirra, and Junction luminaires have each received a 2025 Red Dot Design Award for Product Design. It is the 11th consecutive year that Eureka products have been honored with this prestigious award, which is a testament to the company’s consistency and relentless drive to design exceptional luminaires.… Read More…

Design

  • 60-Watt vs 100-Watt Light Bulbs: Brightness & Wattage

    60-Watt vs 100-Watt Light Bulbs: Brightness & Wattage

    With the widespread use of LED light bulbs, the replacement and upgrade of different light bulbs have also made the concept of “equivalent wattage” more and more discussed. When comparing 60-watt vs 100-watt bulb, the wattage and brightness are the factors that need to be figured out first. Wattage is used to measure the energy consumption while many… Read More…

  • What is Human Centric Lighting: Benefits & Applications

    What is Human Centric Lighting: Benefits & Applications

    Human centric lighting (HCL) is a kind of illuminated way based on human physical and psychological needs. Its core goal is to imitate the changes in natural light to support the body’s circadian rhythm, improve visual comfort, and enhance mood. The key element of human centric lighting contains dynamic ​color temperature adjustment, adjustable brightness, spectrum… Read More…

New Products

  • LightForm: New Saule-L-01 Suspension Luminaire

    LightForm: New Saule-L-01 Suspension Luminaire

    LightForm is thrilled to introduce Saule, the newest lighting collection from Quebec atelier Larose Guyon, now exclusively available at LightForm. Inspired by the gentle grace of the willow tree, Saule is a sculptural light that feels alive. Cascading hand-formed brass leaves shimmer like foliage in the breeze, suspended from arched metal arms that echo the tree’s elegant… Read More…

  • Transform Outdoor Spaces with Lutron: Control, Elegance, & Performance

    Transform Outdoor Spaces with Lutron: Control, Elegance, & Performance

    Outdoor lighting is about more than just light—it’s an extension of the ambiance, design, and comfort of living spaces. With Lutron’s outdoor modules RR-15OUT-BL (for RadioRA 3 systems) and HQR-15OUT-BL (for HomeWorks QS systems), you can offer your clients powerful tools to transform their outdoor projects—whether gardens, patios, pools, or façades. Read More…