Most Common Light Bulb Base Type

The most common bases everyone is familiar with start with an e signifying edison type screw bases.

Most common light bulb base type.

Light bulbs can also be distinguished by shape and base design. Look at your fixture to determine its base type. The intermediate e17 base is not very common. The common terms are medium intermediate candelabra and mogul.

Common bulbs with e26. The most familiar is the edison screw base found on most incandescent bulbs and many halogen compact fluorescent hid and now led bulbs. Bulbs with these base types are available in many different styles. Click on any of the base illustrations above to see a list of light bulbs that have that base.

However because the light industry likes mysterious codes you may also see e26 e12 e39 etc. It is found on smaller light bulb shapes such as s11 r12 and t6 light bulbs. It is used in most incandescent halogen cfl ccfl and hid light bulbs. A little larger than the common e26 medium base this bulb base can still be used in most applications.

Medium standard base code. The number after the e represents the diameter of the base in millimeters. Light bulbs for automobiles are made in several standardized series. 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.

For each of these types the bulb light is produced by a different process. Pin type bases are normally used for track lighting landscape bulbs. The medium e26 base is the most common light bulb base. Look at your fixture to determine its base type.

The mogul e39 base is found in larger sized light bulbs such as high wattage hid. 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. Bulbs with these bases are the most popular of all screw base bulbs. There are tens of unique bases for light bulbs.

This is the most common light bulb base that you can buy and is used in hid cfl ccfl halogen and incandescent light 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.