Most Common Light Bulb Base Type

The number after the e represents the diameter of the base in millimeters.

Most common light bulb base type.

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. However because the light industry likes mysterious codes you may also see e26 e12 e39 etc. Light bulbs can also be distinguished by shape and base design. The medium e26 base is the most common light bulb base.

Look at your fixture to determine its base type. For each of these types the bulb light is produced by a different process. It is found on smaller light bulb shapes such as s11 r12 and t6 light bulbs. Bulbs with these base types are available in many different styles.

This is the most common light bulb base that you can buy and is used in hid cfl ccfl halogen and incandescent light bulbs. Pin type bases are normally used for track lighting landscape bulbs. There are tens of unique bases for light bulbs. Medium standard base code.

The most common types of light bulbs are incandescent bulbs halogen bulbs cfl bulbs and led bulbs. They are commonly used for general lighting in standard light fixtures such as ceiling lights lamps can lights outdoor spotlight and flood light fixtures and vanity lights. The intermediate e17 base is not very common. The most common bases everyone is familiar with start with an e signifying edison type screw bases.

The most familiar is the edison screw base found on most incandescent bulbs and many halogen compact fluorescent hid and now led bulbs. The mogul e39 base is found in larger sized light bulbs such as high wattage hid. Click on any of the base illustrations above to see a list of light bulbs that have that base. 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.

Bulbs with these bases are the most popular of all screw base bulbs. Most of the light bulbs that you buy in stores or online are going to have this kind of 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. Look at your fixture to determine its base type.

Light bulbs for automobiles are made in several standardized series. Common bulbs with e26.