Based on my experience, the different types of fluorescent lamp sockets include T12, T8, T5, 4-pin, and 2-pin sockets. Each of these sockets is designed for a specific type of fluorescent lamp and can be used with either magnetic or electronic ballasts, depending on the type.

Some of the most common types of fluorescent lamp sockets include:

T12 Fluorescent Lamp Sockets:

T12 sockets are designed for use with T12 fluorescent lamps, which are 12/8 inch in diameter. These sockets typically feature a bi-pin configuration and can be used with either magnetic or electronic ballasts.

T8 Fluorescent Light Sockets:

T8 light sockets are designed for use with T8 fluorescent lamps, which are 8/8 inch in diameter. These sockets also feature a bi-pin configuration and are compatible with either magnetic or electronic ballasts.

T5 Fluorescent Lamp holders:

T5 lamp sockets are designed for use with T5 fluorescent lamps, which are 5/8 inch in diameter. These sockets feature a bi-pin configuration and are typically used with electronic ballasts.

4-Pin Compact Bulb Sockets:

4-pin sockets are designed for use with 4-pin compact fluorescent lamps, which are commonly used in residential and commercial applications. These sockets feature a 4-pin configuration and are typically used with electronic ballasts.

2-Pin Compact Lamp Sockets:

2-pin sockets are designed for use with 2-pin compact fluorescent lamps, which are commonly used in residential and commercial applications. These sockets feature a 2-pin configuration and are typically used with electronic ballasts.

In a nutshell, Fluorescent lamp sockets come in a variety of types, each designed for a specific purpose. It is important to use the correct socket for your fluorescent lamp to ensure safe and efficient operation.