Light Bulb Shape And Sizes

Common sizes of the a bulb are a15 a19 and a21.

Light bulb shape and sizes.

1 888 455 2800 fax 1 508 363 2900. In technical terms it is an a19 type bulb. To help you understand what shapes and sizes you will need we have created the following guide on light bulb sizes. The code number of a bulb consists of a letter or letters followed by a number.

The mosts commonly used household bulb is the a 19. A normal household light bulb is on average a 60 watt light bulb. Light bulbs are identified by the diameter length shape and screw type. The letter or letters in a bulb code indicate either shape or special features such as reflector type.

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 23 8. Numbers in a bulb code indicate size in millimeters or eighths of an inch. The number designation in the code is usually the width of the bulb at its widest point designated in eighths of an inch.

Comparison between a15 a17 a19 a21 a23 light bulbs by their dimension. Bulb shapes and sizes. Modern light bulbs are used in a variety of different fixtures and each fixture has its own unique set of requirements when it comes to the size shape and the way the light bulb projects its light. This is done in the form of letter followed by a number.

As a result selecting the proper light bulb has become more like finding a needle in a haystack. Light bulbs also known as lamps in the industry come in a vast variety of sizes shapes and temperatures colors to allow for an array of fixtures which need different bases and other considerations. These are known as light bulb codes. This is an epic light bulb buying guide that you need when putting in light fixtures or you need to buy a bulb.

Every light bulb has identifying characteristics that are represented by a letter or series of letters and a number. 3 illustrated charts showcase the 56 different types of light bulbs based on shape base and size.