What Are The Standard Lamp Socket Sizes

Light bulb socket sizes chart.

What are the standard lamp socket sizes.

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. The size is a simple measurement of width in millimeters. 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. Almost all of these are made of either phenolic resin or porcelain.

As the name implies these are used mostly in candelabras. The standard household lamp is a19 with a diameter of 2 375 inches and a21 2 625 inches. These are the basics on light bulb bases. Sockets allow lamps to be safely and conveniently replaced re lamping.

A lightbulb socket light socket lamp socket or lampholder is a device which mechanically supports and provides electrical connections for a compatible electric lamp. What is the difference between an a19 and a21 light bulb. An e26 socket most common type has an edison thread interior and is 26 millimeters wide. E type sockets are the most common.

Sizes and shapes do matter so be mindful before purchasing a new bulb. Here is the light bulb socket size chart to help you determine what size do you need your light bulb to be. It may not matter most of the time but in some games. An important detail that you need to know about the lamp is that it is a21 which refers to the shape and size.

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. 1 888 455 2800 fax 1 508 363 2900. 1 888 455 2800 fax 1 508 363 2900. Always check your lighting fixture before purchasing bulbs.

Socket sizes explained socket sizes follow a simpler rule of type size. 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. There are many different standards for lampholders including early de facto standards and later standards created by various standards bodies.