Bulb Base Types Chart

This is an epic light bulb buying guide that you need when putting in light fixtures or you need to buy a bulb.

Bulb base types chart.

There are tens of unique bases for light bulbs. Pin type bases are normally used for track lighting landscape 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. 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.

The letter indicates the shape of the bulb and the number relates to the diameter of the bulb in eighths of an inch. The bulb is a type and the diameter would be 2 3 8 a 120br40 is a 120 watt reflector 5 in diameter. There are dozens of base types for light bulbs most of them made up of a series of letters and numbers. Look at your fixture to determine its base type.

Bulbs with these base types are available in many different styles. 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. Bulbs with these bases are the most popular of all screw base bulbs. About light bulb base types.

1 888 455 2800 fax 1 508 363 2900. 3 illustrated charts showcase the 56 different types of light bulbs based on shape base and size. The candelabra e12 base is the second most common bulb base which is used for smaller decorative incandescent nostalgic bulbs. The intermediate e17 base is not very common.

It is used in most incandescent nostalgic led cfl and halogen light bulbs. Medium standard base code. Light bulbs for automobiles are made in several standardized series. Common bulbs with e26.

Look at your fixture to determine its base type. The most common bulb base in the us is the screw medium e26 base. Decoding these is often no easy task for consumers and professionals. 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 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. The most familiar is the edison screw base found on most. Click here to save and print what is the difference between light bulb bases.