Fluorescent Light Bulb Sizes Chart

The t stands for tubular and the numbers are an index for the diameter in inches of the tube.

Fluorescent light bulb sizes chart.

All led can be screwed in like traditional bulbs. Sizes range from t2 to t17. The diameter of the tube is described in eighths of an inch as it is for incandescent lamps so a fluorescent lamp 1 inch in diameter eight eighths is a t8. There are 4 different fluorescent light options.

Shapes sizes and bases. Most tube lighting will have its size mentioned on an end of the tube. T4 t5 t8 and t12. Find the light bulb base type you re looking for with this visual chart detailed illustrations of general bases fluorescent bases and specialty halogen base types.

If you are using a 60 watt incandescent or a 13 watt compact fluorescent cfl you can switch to a 10 watt led bulb. 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. Find the lightbulbs shape you re looking for with this visual chart detailed illustrations of bulb shapes include a19 mr16 par and linear fluorescent tubes.