Standard Light Bulb Socket Sizes

Take the number and divide by 8 and that is the diameter of the bulb at its widest point.

Standard light bulb socket sizes.

1 888 455 2800 fax 1 508 363 2900. 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.

The image below compares our g40 and g50 bulbs in c7 and c9 base sizes. To help you understand what shapes and sizes you will need we have created the following guide on light bulb sizes. 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.

No matter how the end user places the light bulb base into the socket it will always turn and lock into the same position every time creating a fail safe for the light bulb s operation. The a15 bulb is 15 8 in 1 7 8 in. Bulbs with these base types can be used interchangeably as there is only a 1 millimeter difference in base size. Another common a series light bulb type is the a15 bulb which is commonly used for appliances and ceiling fans.

The edison screw fitting is a system of screw mounts used for light bulbs developed by thomas edison in 1909. Bulbs with these bases are the most popular of all screw base bulbs. Light bulb socket sizes chart. 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.

Comparison between a15 a17 a19 a21 a23 light bulbs by their dimension. 1 888 455 2800 fax 1 508 363 2900. Bulb base the final important piece to selecting the right bulb for your application is the bulb base. In the early days of.

The image below compares our g50 bulbs in all three base sizes.