This report from the Lighting Research Center examines Mogul base LED replacement lamps, which are being marketed as equivalent replacements for incumbent HID lamps. Photometric and electrical testing was conducted on 18 mogul base LED lamps. The study found that only 4 of the 18 lamps met the minimum tested DLC QPL criteria for retrofit kits when the lamps were placed in area lighting and roadway luminaires.

Download Research Paper