On June 1st, 2016 Eastern time, DLC has published the 4.0 version Technical Requirements Table for LED Lights , led area light , retrofit kit and lamp s. Comparing with the 3.0 version and 3.1 version, the new 4.0 version has greatly improved on light efficacy requirements for LED Lighting products. It is estimated that 40 to 60 percent of current products will be removed from the certification list. The going on effect of the new requirements will further promote the rapid development of American commercial lighting industry.
Manufacturers can now send applications according the new technical requirements. From September 1st, all products in application shall meet the requirements in V 4.0. By April 1st, 2017, all products that do not meet the V 4.0 requirements will be deleted from QPL list.
If the former reports can meet the requirements, then the certified products will automatically upgrade to V 4.0 and remain certified after April without any actions taken from manufacturers.
If not, manufacturers shall send new applications forms before March 1st, 2017 to keep their products listed.