The letter or letters in a bulb code indicate either shape or special features such as reflector type.
Fluorescent light bulb sizes length.
For pricing and availability.
Sizes range from t2 to t17.
Numbers in a bulb code indicate size in millimeters or eighths of an inch.
T12s are 1 5 inch diameter.
Ge 8 watt 12 in miniature bi pin t5 4100 k cool white fluorescent light bulb.
The most common form of fluorescent lamp is a straight tube.
Here you have a simple light bulb replacement guide showing you how easy transitioning from your incandescent bulbs to leds can be.
There are three common sizes shown in the chart the below.
Their size is what makes t4 lights popular for under cabinet lighting purposes and accent lighting for displays or a staircase.
All led can be screwed in like traditional bulbs.
If you are using a 60 watt incandescent or a 13 watt compact fluorescent cfl you can switch to a 10 watt led bulb.
Pick from fluorescent bulbs and specialty light bulbs.
All fluorescent lamps use the same technology but there are several different variations and sizes.
T4 tubes are the smallest of the fluorescent bulb sizes at only 4 eighths of an inch 0 5 in.
The difference is in the diameter.
These are known as light bulb codes.
There is no industry standard for the length or wattage of t4 tube lights.
1 888 455 2800 fax 1 508 363 2900.
Every light bulb has identifying characteristics that are represented by a letter or series of letters and a number.
Linear fluorescent tubes are the most common type of fluorescent lamps.
1 888 455 2800 fax 1 508 363 2900.
Ge 40 watt 48 in medium bi pin t12 3500 k bright white fluorescent light bulb 2 pack item 903831.