The DOE first redefined GSL. These days, all light bulbs are referred to as "general service lamps." Only bulbs that are clearly omitted are not included. Those light bulbs with particular purposes are exempt, such as:
Medicinal purposes
applications in the military
applications for public safety
applications for certified historic preservation
According to the new regulation, general service lamps are any bulbs with specific characteristics. Among these qualities are:
A base ANSI
a layout that specifies that it can run at the following voltages
12 volts
24 volts
100-130 volts
220-240 volts
A lamp design without integration that works with any voltage
initially producing 310 lumens
The original lumen output for modified spectrum GSILs is 232 lumens.
3,300 initial lumens are produced.
a layout intended for use in general illumination
By the revised definition, LED retrofit downlight kits are not GSLs. Any eligible lamp base type qualifies as an ANSI base. Both screw-based and bi-pin light bulbs fall under this category.
Bi-pin light bulbs are not universally GSLs. See this EnergyStar document for a complete list of ANSI bases covered by the definition.
