How do I know the size of my light bulb base?

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).

What are standard light bulb base sizes?

(For example, E12 has a diameter of 12 mm) There are 4 common sizes of screw-in sockets used for line-voltage lamps:

• Candelabra: E12 (diameter of 12 mm)
• Intermediate: E17 (diameter of 17 mm)
• Medium or Standard: E26 (diameter of 26 mm)
• Mogul: E39 (diameter of 39 mm)

What size base do most light bulbs have?

The standard light bulb base type is the screw type and has a diameter of 26 millimeters to 27 millimeters. These size connectors are given the name E26 and E27 respectively because they are edison screw connections with a diameter of 26 and 27 millimeters.

Can B22 fit E27?

You might encounter a lighting fixture with shade using a bayonet type socket called “B22” especially ceiling lights. E14 and B22 sockets are of the same external diameter. The same shade works for both. E27 sockets are larger.

What are the base sizes of light bulbs?

The numbers refer to base width in millimeters. There are several types of screw bases. E26 bulbs are primarily used in North America while E27 bulbs are most popular in Europe. Bulbs with these base types can be used interchangeably as there is only a 1-millimeter difference in base size.

What are the different types of light bulbs in Australia?

Here is a snapshot of the most common types of light bulbs available to buy in Australia. Keep in mind there are numerous variations of these types of globes, which we’ll go into further detail below. With so many options of lighting fixtures these days, bulbs come in all different shapes, sizes and styles.

What can you use a base bulb for?

Bulbs with these bases can be used interchangeably as there is only a 1-millimeter difference in base size. These powerful bulbs have high light output and are used to replace HID bulbs in industrial fixtures, such as high-bay warehouse lights, parking lot lights, canopy lights, and wall packs.

How big is a light globe in Australia?

Diameter: 27mm One of the other most common types of light globes to be found in Australian homes is the Edison screw. You’ll find them in lamps and household light fittings.