Standard Light Bulb Base Type

This base was developed by thomas edison for the first light bulbs and is still in use today.

Standard light bulb base type.

Common bulbs with e26. 3 illustrated charts showcase the 56 different types of light bulbs based on shape base and size. This is an epic light bulb buying guide that you need when putting in light fixtures or you need to buy a bulb. Look at your fixture to determine its base type.

Bulbs with these base types are available in many different styles. 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. Bulbs with these bases are the most popular of all screw base bulbs. 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. It has a pear like shape and is typically fitted to either an edison screw or a bayonet cap base. Medium standard base code. Screw in bulbs use a base called an edison screw or es base.

Pin type bases are normally used for track lighting landscape bulbs. The number that follows the a designation indicates the nominal major diameter of the bulb either in one eighth.