Bulb Base Types Chart

Pin type bases are normally used for track lighting landscape bulbs.

Bulb base types chart.

The most common bulb base in the us is the screw medium e26 base. The letter indicates the shape of the bulb and the number relates to the diameter of the bulb in eighths of an inch. Bulbs with these base types are available in many different styles. Light bulbs for automobiles are made in several standardized series.

The bulb is a type and the diameter would be 2 3 8 a 120br40 is a 120 watt reflector 5 in diameter. 3 illustrated charts showcase the 56 different types of light bulbs based on shape base and size. 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. Look at your fixture to determine its base type.

Common bulbs with e26. The intermediate e17 base is not very common. This is an epic light bulb buying guide that you need when putting in light fixtures or you need to buy a bulb. Bulbs with these bases are the most popular of all screw base bulbs.

Types of light bulb bases find the light bulb you need using this visual light bulb base chart and detailed illustrations of general light bulb bases fluorescent bases and specialty halogen base types. It is used in most incandescent nostalgic led cfl and halogen light bulbs. The most commonly used household bulb is the a 19. Decoding these is often no easy task for consumers and professionals.

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. 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. About light bulb base types. 1 888 455 2800 fax 1 508 363 2900.

Click here to save and print what is the difference between light bulb bases. Click on any of the base illustrations above to see a list of light bulbs that have that base. There are tens of unique bases for 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.

Medium standard base code. Bulb base reference chart. There are dozens of base types for light bulbs most of them made up of a series of letters and numbers.