Fluorescent Light Sizes Chart

Lamps are typically identified by a code such as fxxty where f is for fluorescent the first number xx indicates either the power in watts or length in inches the t indicates that the shape of the bulb is tubular and the last number y is the diameter in eighths of an inch sometimes in millimeters rounded up to the nearest millimeter.

Fluorescent light sizes chart.

The t stands for tubular and the numbers are an index for the diameter in inches of the tube. Whether you are buying a fluorescent bulb for the first time or ordering a replacement the first place you need to look is the fixture. There are 4 different fluorescent light options. Fluorescent light sizes shapes and base types.

In this code 70 means a cri between 70 and 79. Learn about all the different types of light bulbs including led halogen fluorescent and more. Fluorescent tube sizes guide. In the 1990s manufacturers began to add a numeric code describing a lamp s color to the string of characters identifying the model replacing the cw wwx etc designations.

Most tube lighting will have its size mentioned on an end of the tube. T4 t5 t8 and t12. Knowing how to find a fluorescent light bulb that fits all of your needs will save you time worry and ensure you get the right one every time. Sizes and types of fluorescent lights.