Fluorescent Light Bulbs Sizes

Sizes range from t2 to t17.

Fluorescent light bulbs sizes.

Fluorescent circline tubes are typically 1 and 1 8 of an inch in diameter. 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. Find the light bulb base type you re looking for with this visual chart detailed illustrations of general bases fluorescent bases and specialty halogen base types. T4 t5 t8 and t12.

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. The fluorescent bulb s t number in essence gives the bulb diameter and its connecting pin design. The t stands for tubular and the numbers are an index for the diameter in inches of the tube. The most common form of fluorescent lamp is a straight tube.

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. Most tube lighting will have its size mentioned on an end of the tube. Fluorescent lamps come in many shapes and 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.

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. Shop fluorescent circline lamps common fluorescent applications by lamp type. 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.

Philips 40 watt 4 ft. The compact fluorescent lamp cfl is becoming more popular.