What Does Type T Bulb Mean

The letter t refers to tubular shaped lightbulbs while the letter a refers to the commonly shaped arbitrary lightbulbs found in most households.

What does type t bulb mean.

The older t 12 tubes are 1 1 2 inches in diameter with the newer t 8 tubes at 1 inch in diameter. J type halogen bulbs. A common j type bulb base is a recessed single contact bulb rsc and is 3 8 inch. Tube lights can also be compared by such factors as the power in watts and the amount of light given off measured in lumen output.

Light bulbs for automobiles are made in several standardized series. They show the diameter of the bulb or lamp in eights of an inch. The j type bulb is available in different sizes and voltages. Two familiar examples are t 12 and t 8 fluorescent tubes.

So a t2 bulb and a t3 bulb are shaped the same way. 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. This halogen light bulb is double ended and is commonly used as security lighting. The numbers and letters are abbreviations and with the knowledge of what they mean you can easily look for the light bulb you want.

Bulbs used for headlamps turn signals and brake lamps may be required to comply with international and national regulations governing the types of lamps used other automotive lighting applications such as auxiliary lamps or interior lighting may not be regulated but common types are used by many automotive manufacturers. This isn t the model number of the bulb but rather the type of bulb which is a universal standard coding system in the lighting industry. A common a 19 light bulb is 2 3 8 inches in diameter and an r 30 flood light is 3 3 4 inches across its widest part. Whether you ve shopped around for smart light bulbs or just regular bulbs you ve likely come across bulbs that have something like a19 or e26 in the name.

Wattage wattage is the amount of energy the light uses per hour. The volts vary from 12 to 277 and the lengths stretch from 78 millimeters to 254 millimeters. In the same family of light bulbs like incandescents the higher the wattage the brighter the light is. Fluorescent t series bulbs are used in hospitals parking garages retail outlets and offices and can be up to 8 feet in length.

The only difference being in the numbers attached to the identifying letters.