Light Bulb Base Types And Sizes

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.

Light bulb base types and sizes.

The first letter designates the shape or form of the base and the number represents the width of the base normally in millimeters. This is an epic light bulb buying guide that you need when putting in light fixtures or you need to buy a bulb. If you need to identify a certain type of light bulb we have charts for bulb shapes sizes screw types series and base sizes to help you identify which light bulb you need. These are known as light bulb codes.

3 illustrated charts showcase the 56 different types of light bulbs based on shape base and size. The a means arbitrary shape and the 19 means size in diameter 19 8th inches or 2 3 8th inches. Numbers in a bulb code indicate size in millimeters or eighths of an inch. What are the different light bulb bases.

A further explanation of the light bulb base sizes you can look at the letter number references e12 e17 and e26 to help understand a bulbs base style and size. If you do not see the base type you are looking for give us a call at 800 784 1998 and we can. The letter or letters in a bulb code indicate either shape or special features such as reflector type. 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.

Click on any of the illustrations to view a list of bulbs with that light bulb base. Vintage light bulbs add a decorative touch to the conventional light fixtures in your home. 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. Other decorative light bulbs include candelabra bulbs that complement chandeliers sconces and ceiling fans.

Bulbs with these bases are the most popular of all screw base bulbs. For example an a19 bulb means that that the bulb comes in a standard household shape and is 19 8 inches in size. Every light bulb has identifying characteristics that are represented by a letter or series of letters and a number. Also known as edison light bulbs they are distinguished by the antique style filament in the center these types of light bulbs come in a variety of sizes and shapes.

Bulbs with these base types can be used interchangeably as there is only a 1 millimeter difference in base size.