The edison screw fitting is a system of screw mounts used for light bulbs developed by thomas edison in 1909.
Standard light bulb socket sizes.
The a15 bulb is 15 8 in 1 7 8 in.
The image below compares our g50 bulbs in all three base sizes.
The letter e before a number indicates it s an edison bulb.
The light bulb base and socket are manufactured in a way that predetermines the light bulb s position in the socket.
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Bulbs with these base types can be used interchangeably as there is only a 1 millimeter difference in base size.
In the early days of.
Bulb base the final important piece to selecting the right bulb for your application is the bulb base.
You don t want to buy a bulb only to find that it doesn t fit in the socket.
Light bulb socket sizes chart.
Another common a series light bulb type is the a15 bulb which is commonly used for appliances and ceiling fans.
48 mm wide at its widest point.
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.
Other sizes with a data sheet in iec 60064 are a50 a55 a67 a68 a71 a75 and a80.
To help you understand what shapes and sizes you will need we have created the following guide on light bulb sizes.
Comparison between a15 a17 a19 a21 a23 light bulbs by their dimension.
The image below compares our g40 and g50 bulbs in c7 and c9 base sizes.
They are commonly used for general lighting in standard light fixtures such as ceiling lights lamps can lights outdoor spotlight and flood light fixtures and.
Here is the light bulb socket size chart to help you determine what size do you need your light bulb to be.
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Take the number and divide by 8 and that is the diameter of the bulb at its widest point.