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.
Fluorescent light sizes in mm.
When you re buying a replacement bulb you ll usually be able to identify the length by the wattage.
T4 t5 t8 and t12.
T4 fluorescent bulb 28 watt from pl t pin spacing 4 mm.
Linear fluorescent tubes are the most common type of fluorescent lamps.
T5 fluorescent bulb 13 watt from ge pin spacing 5 mm.
1 888 455 2800 fax 1 508 363 2900.
Connects to miniature g5 base.
The t stands for tubular and the numbers are an index for the diameter in inches of the tube.
In this code 70 means a cri between 70 and 79.
Sizes and types of fluorescent lights.
How to identify what fluorescent light bulb you have in 4 easy steps.
7 wp4 5 8 5d osram s fluorescent miniature fm tubes only.
Fluorescent tube sizes guide.
All fluorescent lamps use the same technology but there are several different variations and sizes.
There are three common sizes shown in the chart the below.
Luxrite f32t8 741 32w 48 inch t8 fluorescent tube light bulb 4100k cool white 2850 lumens g13 medium bi pin base lr20732 4 pack 4 4 out of 5 stars 148 29 99 29.
T4 1 2 12 7.
T12s are 1 5 inch diameter.
Sylvania luxline slim t2 linear.
It s important to note that specialist sizes are available in t8 tubes so if you have a non standard size then let us know as we may have a suitable bulb for you.
The difference is in the diameter.
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.
There are 4 different fluorescent light options.
80 means a cri between 80 and 89 and so on.