T4 t5 t8 and t12.
Fluorescent light bulb sizes chart.
T4 fluorescent bulb 28 watt from pl t pin spacing 4 mm.
Connects to a medium bi pin g13 base.
All led can be screwed in like traditional bulbs.
80 means a cri between 80 and 89 and so on.
The t stands for tubular and the numbers are an index for the diameter in inches of the tube.
Connects to miniature g5 base.
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.
There are 4 different fluorescent light options.
Most tube lighting will have its size mentioned on an end of the tube.
In this code 70 means a cri between 70 and 79.
T8 fluorescent bulb 32 watt pin spacing 13mm sold in a wide range of color temperature and light output in lumens straight or u shaped.
T5 fluorescent bulb 13 watt from ge pin spacing 5 mm.
Fluorescent tube sizes guide.
If you are using a 60 watt incandescent or a 13 watt compact fluorescent cfl you can switch to a 10 watt led bulb.
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.