What Is A Type B Bulb Base

Incandescent light bulbs shaped like torpedoes and that fit into candelabras include the type b variety of bulb.

What is a type b bulb base.

The variety of sizes in the bases of the bulb are designed to fit the various socket sizes in the candelabra. It has a pear like shape and is typically fitted to either an edison screw or a bayonet cap base. These bullet or flamed shaped bulbs are decorative and used as a secondary lighting source in the home. The number that follows the a designation indicates the nominal major diameter of the bulb either in one eighth.

In north america and europe these light bulb base types are the most common and widely used. Whether you choose clear or frosted bulbs depends on the intensity of light that you want from your fixture. Look at your fixture to determine its base type. 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.

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. 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. Once the lamp s screw is aligned with the fixture socket rotate the the lamp clockwise until fully secure. 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.

Medium standard base code. 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. Light bulbs come in different wattages shapes colors transparencies and tones. Pin type bases are normally used for track lighting landscape bulbs.

1 888 455 2800 fax 1 508 363 2900. Look at your fixture to determine its base type. Screw base bulbs often called edison bulbs are named after their inventor thomas edison. 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.

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. A 15 watt type b bulb is smaller and narrower than a standard incandescent bulb and emits less light and energy.