SSL V5.1 Resources
Resources to help ease the transition to testing products for V5.1.
V4.4, V5.0, and V5.1 Requirements Comparison
This resource outlines high level changes between Technical Requirements V4.4 and V5.0 (effective February 18, 2020), and between V5.0 and V5.1 (effective July 1, 2020).
SSL V5.0 and V5.1 Definitions
Definitions of terms needed to understand SSL Technical Requirements V5.0 and V5.1. For additional detail, see the full Technical Requirements documents.
Guidance for Submitting IES Files
Under V5.1, the DLC will review additional fields in submitted .IES files to ensure accuracy of data and to support UGR analyses for certain Primary Use Designations. Use this resource to ensure that your IES files comply with the full V5.1 LM-79/distribution report requirements.
How to Format LM-79/color Test Reports
Under Technical Requirements V5.1, the DLC requires specific information to be included in each LM-79/color report. Use this guide to make sure that your LM-79 test reports meet the new reporting requirements.
Dimming Definition Details
Under V5.1, all luminaires, retrofit kits, and lamps must be dimmable. Use this resource to understand the DLC's definition of dimmable and other dimming policy nuances.
Testing Guidance for Color Metrics
This guidance document will help you understand the appropriate chromaticity and color rendition testing to perform on your products to meet Technical Requirements V5.1.
Understanding Unified Glare Rating (UGR)
This resource contains general information about UGR, discusses why the DLC requires UGR for Premium qualification, explains how the DLC evaluates UGR, and provides guidance for modeling luminous area.