Lamps with 2G11 bases greater than or equal to twenty inches in length, designed to replace compact fluorescent lamps (CFLs). 2G11 UL Type A lamps (designed to operate utilizing the existing CFL ballast), and 2G11 UL Type B (designed to operate utilizing direct line voltage), 2G11 UL Type C (designed to operate utilizing a non-integral driver), and 2G11 UL dual mode (designed to operate utilizing the existing CFL ballast or direct line voltage) are all eligible. At this time, Type A products are only eligible if they can operate utilizing specific ballast types. Please see the Testing Requirements for more detail. Replacement lamps designed to operate utilizing magnetic ballasts, or other types of electronic ballasts not specified, are not eligible at this time.
© 2025 DesignLights Consortium. The DesignLights Consortium is a project of Efficiency Forward, Inc., a non-profit 501(c)3 organization. Privacy Policy Terms of Use