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.
This is done in the form of letter followed by a number.
The letter indicates the shape of the lamp and the number relates to the diameter of the lamp in eighths of an inch.
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.
Bulb shapes and sizes.
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.
The mosts commonly used household bulb is the a 19.
The a indicates the shape standard and the diameter would be 2 38 which is 19 eights of an inch.
A different size harp or the addition of a screw on extender to the harp can help make your new shade fit even better.
Also don t hesitate to ask for our assistance in choosing a great looking new shade for your lamp.
The a means arbitrary shape and the 19 means light bulb shapes types sizes identification guides and charts read more.
Learn about all the different types of light bulbs including led halogen fluorescent and more.
Light bulbs are identified by the diameter length shape and screw type.
The code number of a bulb consists of a letter or letters followed by a number.
Light bulb sizes and shapes chart including the different kind of light bulb bases.