Double twin 2-pin compact fluorescent lamps (CFLs) are efficient and versatile lighting solutions. With a double twin-tube design, these bulbs fit a variety of residential and commercial fixtures. Available in different bases, they offer reliable and energy-saving illumination. 

G23-2 Base 

The G23-2 base is a bi-pin plug-in connector with pins spaced 23 millimeters apart. It's commonly used in twin-tube CFLs ranging from 7 to 11 watts, making it suitable for task lighting in kitchens or reading nooks. The G23-2 base ensures a secure connection, providing reliable illumination for various fixtures. 

G24D-2 Base 

The G24D-2 base is a 2-pin plug-in connector designed for 18-watt CFLs operating on magnetic ballasts. The pins are arranged horizontally around the stem, ensuring proper alignment during installation. This base type is often found in downlights and ceiling fixtures, offering efficient lighting solutions for offices and retail spaces. 

G24D-3 Base 

The G24D-3 base is similar to the G24D-2 but is designed for 26-watt CFLs. It features a 2-pin configuration with horizontally arranged pins around the stem, suitable for fixtures requiring higher light output. Common applications include commercial lighting in large areas such as conference rooms or open-plan offices. 

GX23-2 Base 

The GX23-2 base is a bi-pin plug-in connector used in 13-watt double twin tube CFLs. It has a wider base compared to the GX23-1, providing stability and compatibility with specific fixtures. This base type is often utilized in recessed lighting and wall sconces, offering efficient illumination for both residential and commercial environments. 

GX24D-3 Base 

The GX24D-3 base is a 2-pin plug-in connector designed for 26-watt CFLs. It features a shorter supporting stem compared to the G24 series, making it suitable for compact fixtures. This base type is commonly found in triple-tube CFLs, providing high light output for applications such as retail lighting and high-ceiling installations. 

GX32D-2 Base 

The GX32D-2 base is a 2-pin connector used in 22-watt CFLs. It is designed for fixtures requiring a compact light source with moderate brightness. Applications include task lighting and accent lighting in both residential and commercial settings. 

GX32D-3 Base 

The GX32D-3 base is similar to the GX32D-2 but is designed for 28-watt CFLs, offering higher light output. This base type is suitable for fixtures in need of brighter illumination, such as large retail spaces or open office areas.