Shapes sizes and bases.
Fluorescent light bulb sizes length.
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Ge 40 watt 48 in medium bi pin t12 3500 k bright white fluorescent light bulb 2 pack item 903831.
If you are using a 60 watt incandescent or a 13 watt compact fluorescent cfl you can switch to a 10 watt led bulb.
There is no industry standard for the length or wattage of t4 tube lights.
Every light bulb has identifying characteristics that are represented by a letter or series of letters and a number.
Their size is what makes t4 lights popular for under cabinet lighting purposes and accent lighting for displays or a staircase.
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Linear fluorescent tubes are the most common type of fluorescent lamps.
All fluorescent lamps use the same technology but there are several different variations and sizes.
These are known as light bulb codes.
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.
The letter or letters in a bulb code indicate either shape or special features such as reflector type.
For pricing and availability.
The difference is in the diameter.
T4 tubes are the smallest of the fluorescent bulb sizes at only 4 eighths of an inch 0 5 in.
The most common form of fluorescent lamp is a straight tube.
Ge 8 watt 12 in miniature bi pin t5 4100 k cool white fluorescent light bulb.
All led can be screwed in like traditional bulbs.
Pick from fluorescent bulbs and specialty light bulbs.
Sizes range from t2 to t17.
There are three common sizes shown in the chart the below.
Here you have a simple light bulb replacement guide showing you how easy transitioning from your incandescent bulbs to leds can be.