Light Bulb Shapes And Sizes

The mosts commonly used household bulb is the a 19.

Light bulb shapes and sizes.

Light bulbs are identified by the diameter length shape and screw type. The bulb is a type and the diameter would be 23 8. The a means arbitrary shape and the 19 means light bulb shapes types sizes identification guides and charts read more. 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.

G14 led bulbs in ceiling light fixture g30 led bulbs in bathroom vanity g30 led filament bulb in porch light fixture g16 gold tint led filament bulbs in ceiling light fixture. As a result selecting the proper light bulb has become more like finding a needle in a haystack. The code number of a bulb consists of a letter or letters followed by a number. A normal household light bulb is on average a 60 watt light bulb.

Globe g bulbs have a full round shape and are available in various sizes. To help you understand what shapes and sizes you will need we have created the following guide on light bulb 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. In technical terms it is an a19 type bulb.

Comparison between a15 a17 a19 a21 a23 light bulbs by their dimension. From top left to bottom right. The letter indicates the shape of the bulb and the number relates to the diameter of the bulb in eighths of an inch.