Standard Light Bulb Base Types

The candelabra e12 has a diameter of 12 millimeters.

Standard light bulb base types.

Langree a19 led light bulb 6w equivalent 60 watt 2700k soft white e26 medium base led bulb non dimmable standard replacement pack of 6 4 7 out of 5 stars 192 13 99 13. Bulbs with these base types are available in many different styles. Unlike the light bulb shapes the number in the light bulb base measures the light bulb base diameter in millimeters. Pin type bases are normally used for track lighting landscape bulbs.

Bulbs with these bases are the most popular of all screw base 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. 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. 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. Light bulbs for automobiles are made in several standardized series. Medium standard base code. The e in the light bulb size refers to edison the inventor of the screw base light bulb and screw base light bulbs are sometimes called edison light bulbs.

Look at your fixture to determine its base type. 1 888 455 2800 fax 1 508 363 2900. Use this handy guide to identify different types of light bulb bases that apply to incandescent halogen high intensity discharge fluorescent and led light bulbs. 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.