What Is A Type B Bulb Base

The a series light bulb is the classic glass light bulb shape that has been the most commonly used type for general lighting service gls applications since the early 20th century.

What is a type b bulb base.

Light bulbs come in different wattages shapes colors transparencies and tones. Incandescent light bulbs shaped like torpedoes and that fit into candelabras include the type b variety of bulb. Look at your fixture to determine its base type. Each base type has a descriptive term such as medium intermediate candelabra etc and they re defined by the letter e edison followed by numbers.

1 888 455 2800 fax 1 508 363 2900. Whether you choose clear or frosted bulbs depends on the intensity of light that you want from your fixture. Once the lamp s screw is aligned with the fixture socket rotate the the lamp clockwise until fully secure. A 15 watt type b bulb is smaller and narrower than a standard incandescent bulb and emits less light and energy.

The variety of sizes in the bases of the bulb are designed to fit the various socket sizes in the candelabra. The number that follows the a designation indicates the nominal major diameter of the bulb either in one eighth. The e26 screw threads are right hand threads and in addition to providing the mechanical support also act as the neutral electrical path assuming the fixture is wired properly. Screw base bulbs often called edison bulbs are named after their inventor thomas edison.

In north america and europe these light bulb base types are the most common and widely used. E26 bulbs work like any type of edison screw base. Most common light bulb uses including lamps recessed flush mount flood lights are going to have one of the first three base types shown above. These bullet or flamed shaped bulbs are decorative and used as a secondary lighting source in the home.

Since light bulbs have different base types if you know the base of the bulb you are looking for we can omit the bulbs that do not have that base type. For example our 11s14 bulb has an e26 base the e refers to the style which is an edison screw in and the 26 means it has a 26 mm base width. Look at your fixture to determine its base type. Light bulb shapes similar to identifying a base size light bulbs use a letter number reference to reflect the shape and size of a light bulb.

Pin type bases are normally used for track lighting landscape bulbs. Medium standard base code.