Edison screw bases The light bulb commonly used since the early 20th century for general-purpose lighting applications, with a pear-like shape and an Edison screw base, is referred to as an “A-series light bulb.” This most common general purpose bulb type would be classed as “A19/E26” or the metric version “A60/E27”.

What are the different types of lamp sockets?


  • Brass Lamp Sockets.
  • Nickel Lamp Sockets.
  • Phenolic Lamp Sockets.
  • Porcelain Lamp Sockets.
  • Candelabra Base Sockets.
  • Cluster Sockets.
  • Mogul Lamp Sockets.
  • Lamp Socket Covers.

Are all lamp sockets the same?

There are two common socket types, which are the classic screw socket (Edison) and the pin socket. All replacements are 1:1 possible without any mechanical or electrical adjustments.

What is another name of lamp sockets receptacles?

devices that hold and protect the lamp and are also called as ―Lamp Sockets/Receptacles‖. These come in many designs and sizes. They are classified as flush, hanging (weather proof/chain) and surface types.

What are the different size light bulb sockets?

Edison Light Socket Sizes Chart

Size Name Base major diameter (thread external)
E5 Lilliput Edison Screw (LES) 5 mm
E10 Miniature Edison Screw (MES) 10 mm
E11 Mini-Candelabra Edison Screw (mini-can) 11 mm
E12 Candelabra Edison Screw (CES) 12 mm

What is a standard light socket called?

E26 is the size of most light bulbs used in the U.S. It’s referred to as having a “medium” or “standard” base. E12 is the smaller “candelabra” base. It’s used for nightlight bulbs, and sometimes for decorative light bulbs used in chandeliers and over bathroom mirrors.
Oct 17, 2012

What is an E12 socket?

Candelabra sockets are also known as E12 base bulb sockets. They are smaller than the E26 medium sockets and they are commonly used for decorative fixtures.

How do I know what size light bulb socket I have?

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. The first letter designates the shape or form of the base, and the number represents the width of the base (normally in millimeters).

Are all lamp sockets the same size?

Standard base sockets have an approximate inside diameter opening of 1 inch. Common among most decorative fixtures with multiple bulbs, candelabra is smaller than the standard sockets and the bulb selection is more decorative as well. Candelabra base sockets have an approximate inside diameter opening of 7/16 inches.

What is an E26 socket?

E26 is also commonly referred to as a Medium Edison Screw (MES). An E26 bulb, therefore, is any bulb or lamp that utilizes the E26 cap or base for mounting and electrical contact. You can most instantly recognize an E26 bulb by looking at the bottom, or non-light emitting side of the bulb.

What is a E27 socket?

What is an E27 bulb? The E27 bulb is one of the most common bulb we have in our homes today. It’s also known as the Edison bulb with big screw socket (27 millimeters). E27 refers to the socket, the fastening which you screw into your lighting appliance.

What is E26 and E27?

E26 stands for 26 mm and the E27 for 27 mm in diameter. These two standards are interchangeable, meaning a US E26 will fit in a European E27 base, and E27 will fit in a E26 base. The only difference is the voltage (for light bulbs).

Are E27 bulbs screw or bayonet?

The most commonly used screw cap bulb is the E27, which fits most standard light fittings in the UK. There are also smaller versions (E14 and miniature E10s), which have a thinner screw base and are most commonly used for decorative lighting, i.e. candle-shaped bulbs for chandeliers.
Dec 14, 2020

Are E26 and A19 the same?

All A19 lamps have an E26 base, but not the other way around
The standards that govern the dimensions and design of A19 light bulbs also dictate that it must use an E26 screw base. In other words, all A19 light bulbs also have an E26 base.

Is E26 a regular light bulb?

The most common type of light bulb here in the United States has what is referred to as a “Medium” base or “Standard” base. The word “base” is referring to the threaded part of the light bulb that screws into the socket. A Medium or Standard base light bulb is also referred to as an E26 base light bulb.
Feb 1, 2020

Can I put A19 bulb in E26?

The light bulb that most Americans have used in their homes is an A19 bulb with an E26 base. That said, not all E26 bulbs are A19 bulbs. While A19 bulbs must utilize E26 bulb bases, it’s not true that all E26 bases must use A19 heads. In fact, they are two kinds of terminologies.
Nov 29, 2021