Incandescent Light Bulb Shapes And Sizes

A55 or par38 where the letters identify the shape and the numbers some characteristic size.

Incandescent light bulb shapes and sizes.

Light bulb sizes and shapes chart including the different kind of light bulb bases. They are the original type of electrical lighting and the filament technology has been around for more than 100 years and comes in a wide variety of wattages sizes and shapes. This is an epic light bulb buying guide that you need when putting in light fixtures or you need to buy a bulb. Light bulbs can also be distinguished by shape and base design.

A normal household light bulb is on average a 60 watt light bulb. 800 lumens equivalent to a traditional 60 watt incandescent light bulb. For example an a19 light bulb has a maximum diameter of 19 8 of an inch or 2 375 inches. The names of light bulb shapes are denoted with a letter which describes the shape and a number which indicates the size.

1 888 455 2800 fax 1 508 363 2900. In technical terms it is an a19 type bulb. Incandescent light bulbs come in a range of shapes and sizes. Every light bulb has identifying characteristics that are represented by a letter or series of letters and a number.

The most common types of light bulbs are incandescent bulbs halogen bulbs cfl bulbs and led bulbs. 3 illustrated charts showcase the 56 different types of light bulbs based on shape base and size. Understanding common household light bulb shapes sizes and styles is important whether you re converting outdated incandescent fixtures into energy efficient ones or using led bulbs for new construction applications. Light bulbs are identified by the diameter length shape and screw type.

The a means arbitrary shape and the 19 means light bulb shapes types sizes identification guides and charts read more. 1 888 455 2800 fax 1 508 363 2900. For each of these types the bulb light is produced by a different process. The letter indicates the shape of the bulb and the number relates to the diameter of the bulb in eighths of an inch.

Energy cost which indicates approximately how much it will cost. Some designations are one or more letters followed by one or more numbers e g. The number associated with the shape indicates the diameter of the light bulb at its widest part in eighths of an inch.