Standard Light Bulb Base Types

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.

Standard light bulb base types.

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. Bulbs with these bases are the most popular of all screw base bulbs. 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 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.

Bulbs with these base types are available in many different styles. The candelabra e12 has a diameter of 12 millimeters. Medium standard base code. Look at your fixture to determine its base type.

99 3 17 bulb 19 99 19 99. Unlike the light bulb shapes the number in the light bulb base measures the light bulb base diameter in millimeters. Click on any of the illustrations to view a list of bulbs with that light bulb base. Look at your fixture to determine its base type.

Common bulbs with e26.