What Are The Standard Lamp Socket Sizes

All sockets sizes are measured by the diameter of the threaded base of the bulb candelabra sockets e12 are for bulbs that are 12 mm just under 1 2 in diameter.

What are the standard lamp socket sizes.

What is the difference between an a19 and a21 light bulb. Sizes and shapes do matter so be mindful before purchasing a new bulb. An e26 socket most common type has an edison thread interior and is 26 millimeters wide. Always check your lighting fixture before purchasing bulbs.

After all you couldn t screw in an e26 bulb into a candelabra socket size it just isn t possible. The standard household lamp is a19 with a diameter of 2 375 inches and a21 2 625 inches. 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. 1 888 455 2800 fax 1 508 363 2900.

Sockets allow lamps to be safely and conveniently replaced re lamping. Socket sizes explained socket sizes follow a simpler rule of type size. The size is a simple measurement of width in millimeters. E type sockets are the most common.

Here is the light bulb socket size chart to help you determine what size do you need your light bulb to be. Light bulb socket sizes chart. 1 888 455 2800 fax 1 508 363 2900. An important detail that you need to know about the lamp is that it is a21 which refers to the shape and size.

Almost all of these are made of either phenolic resin or porcelain. There are many different standards for lampholders including early de facto standards and later standards created by various standards bodies. It may not matter most of the time but in some games. The e stands for edison and designates a screw type socket.

As the name implies these are used mostly in candelabras. 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. 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.