Bulb Base Light Bulb Types And Sizes

3 illustrated charts showcase the 56 different types of light bulbs based on shape base and size.

Bulb base light bulb types and sizes.

For every light fixture or application there s going to be a specific bulb or light bulb shape that will fit best and provide the right type of light. Bulbs with these base types can be used interchangeably as there is only a 1 millimeter difference in base size. The most common light bulb base types are. The a means arbitrary shape and the 19 means size in diameter 19 8th inches or 2 3 8th inches.

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. Standard medium a regular sized screw in base usually denoted with an e26 or e27. What are the different light bulb bases. This is an epic light bulb buying guide that you need when putting in light fixtures or you need to buy a bulb.

Or use our universal bulb finder to shop by bulb type or screw base. Vintage light bulbs add a decorative touch to the conventional light fixtures in your home. 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. Bi pin a pin in base with two points of contact often denoted by a g4 or gu24.

The first letter designates the shape or form of the base and the number represents the width of the base normally in millimeters. In technical terms it is an a19 type bulb. 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. Bulbs with these bases are the most popular of all screw base bulbs.

Gu10 a twist. A light bulb s series indicates its shape followed by a number code that indicates the light bulb s diameter in millimeters or one eighths of an inch depending on the type. Candelabra a smaller screw in base denoted most often with an e12. This guide is organized by series with information about other common names sizes including light bulb size charts for each series typical uses and popular caps.

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. 1 888 455 2800 fax 1 508 363 2900.