The letter indicates the shape of the bulb and the number relates to the diameter of the bulb in eighths of an inch.
Shape lamp sizes chart.
Light bulb sizes and shapes chart including the different kind of light bulb bases.
This is done in the form of letter followed by a number.
Light bulbs are identified by the diameter length shape and screw type.
Find the lightbulbs shape you re looking for with this visual chart detailed illustrations of bulb shapes include a19 mr16 par and linear fluorescent tubes.
The a means arbitrary shape and the 19 means light bulb shapes types sizes identification guides and charts read more.
The bulb is a type and the diameter would be 23 8.
Also don t hesitate to ask for our assistance in choosing a great looking new shade for your lamp.
The mosts commonly used household bulb is the a 19.
A different size harp or the addition of a screw on extender to the harp can help make your new shade fit even better.
Learn about all the different types of light bulbs including led halogen fluorescent and more.
The reference ruler at left illustrates the most commonly used household lamp an a19.
The code number of a bulb consists of a letter or letters followed by a number.
The a indicates the shape standard and the diameter would be 2 38 which is 19 eights of an inch.
If you have any questions about style size or fitter please give us a call.
A normal household light bulb is on average a 60 watt light bulb.