Light bulbs come in a variety of shapes and sizes and are generally categorized by their bases the part that screws into a light socket.
Normal light bulb socket size.
The edison screw fitting is a system of screw mounts used for light bulbs developed by thomas edison in 1909.
This is done in the form of letter followed by a number.
Globe g bulbs have a full round shape and are available in various sizes.
1 888 455 2800 fax 1 508 363 2900.
1 888 455 2800 fax 1 508 363 2900.
Here is the light bulb socket size chart to help you determine what size do you need your light bulb to be.
The letter e before a number indicates it s an edison bulb.
The following provides dimensions of a bulb socket which is helpful if you re trying to match the socket size of a bulb you already have.
Unlike the light bulb shapes the number in the light bulb base measures the light bulb base diameter in millimeters.
Comparison between a15 a17 a19 a21 a23 light bulbs by their dimension.
From top left to bottom right.
The e in the light bulb size refers to edison the inventor of the screw base light bulb and screw base light bulbs are sometimes called edison light bulbs.
In the early days of.
A further explanation of the light bulb base sizes you can look at the letter number references e12 e17 and e26 to help understand a bulbs base style and size.
You can compare most common e size designations with a thread diameter see the specific light bulb name for that size see what are the most common applications and even see the official standard for light bulbs.
Light bulbs are identified by the diameter length shape and screw type.
48 mm wide at its widest point.
A normal household light bulb is on average a 60 watt light bulb.
The a means arbitrary shape and the 19 means size in diameter 19 8th inches or 2 3 8th inches.
Other sizes with a data sheet in iec 60064 are a50 a55 a67 a68 a71 a75 and a80.
The a15 bulb is 15 8 in 1 7 8 in.
Light bulb socket sizes chart.
To help you understand what shapes and sizes you will need we have created the following guide on light bulb sizes.
The candelabra e12 has a diameter of 12 millimeters.