Fluorescent circline tubes are typically 1 and 1 8 of an inch in diameter.
Fluorescent light bulbs sizes.
Their outside diameter which is measuring the circle from one end to the other comes in four options 6 8 12 and 16 inches.
Sizes range from t2 to t17.
Types of tube light bulbs while there are multiple types of led and fluorescent tube lights the three most common are t12 t8 and t5.
The most common form of fluorescent lamp is a straight tube.
Typical diameters are t12 or t38 1 1 2 in or 38 mm for residential lamps with magnetic ballasts t8 or t26 1 in or 25 mm for commercial energy saving lamps with electronic ballasts and t5 or t16 5 8 in or 16 mm for very small lamps which may even operate from a battery powered device.
Most tube lighting will have its size mentioned on an end of the tube.
Many compact fluorescent lamps integrate the auxiliary electronics into the base of the lamp allowing them to fit into a regular light bulb socket.
T4 4 8 bulb diameter or 1 2 t5 5 8 bulb diameter t8 8 8 bulb diameter or 1.
Fluorescent tube sizes guide there are 4 different fluorescent light options.
Fluorescent lamps come in many shapes and sizes.
The t stands for tubular and the numbers are an index for the diameter in inches of the tube.
Alto supreme linear t12 fluorescent tube light bulb cool white 4100k 10 pack.
Philips 40 watt 4 ft.
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.
The terminology comes from t for tubular and the diameter of the bulb in eighths of an inch so t8 represents a tube of 8 8ths of an inch or 1 inch.
The fluorescent bulb s t number in essence gives the bulb diameter and its connecting pin design.
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 compact fluorescent lamp cfl is becoming more popular.