Bayonet Bulbs (B22)

The Bayonet or B22 fitting is one of the most popular light fittings in the UK. It is also known as a B22 socket as the space between the connectors is 22mm wide. Traditionally bulbs have been known as incandescent where electricity passes through a filament coil that glows and gives off light. The amount of light produced is directly related to the power consumed so a 100w bulb is brighter than a 60W that is brighter than a 40W and so on. Due to advancements in technology the halogen bulb was introduced that produced a brighter and better quality of light for similar power. One main issue with traditional bulbs was the efficiency as lot of the power used was wasted as heat instead of light. To tackle this issue the first generation energy savers were introduced that operated at a lower wattage such as 20W but produced the light output of 60W and 100W. However due to the compact florescent technology used , these bulbs suffered from a long warm up time, flickering and also were not atheistically designed. LED technology has rapidly evolved in the last few years to provide genuine equivalents to traditional bulbs. Instant on is one of the most noticeable features due zero warm up time. LED technology has been evolving for many years and has been adopted for TV, monitors, car headlights and many other applications. Please have a look at our selection of bayonet b22 bulbs and our videos showing side by side comparisons with traditional bulbs.

We stock a wide selection of bulbs with the bayonet fitting at equivalent wattages (100W, 60W, 40W) and dimmable versions.

Light bulbs with the bayonet B22 cap are only suitable for bayonet fittings and should not be confused with the E27 cap which is a screw fitting. The standard cap is 22mm wide and uses a twist and lock mechanism to secure the bulb. It also comes in a smaller 15mm wide size which is referred to as B15 or small bayonet. We stock a wide range of B15 caps here.

What is the Bayonet fitting?

The Bayonet or B22 fitting is one of the most popular light fittings in the UK. It is also known as a B22 socket as the space between the connectors is 22mm wide.

How bright is a LED bulb?

Traditionally bulbs have been known as incandescent where electricity passes through a filament coil that glows and gives off light. The amount of light produced is directly related to the power consumed so a 100w bulb is brighter than a 60W that is brighter than a 40W and so on. Due to advancements in technology the halogen bulb was introduced that produced a brighter and better quality of light for similar power. Light output is measured in lumens and usually the higher the wattage the higher the lumens. With new and different LED technologies the wattage can decrease and the light output increase in comparison to previous versions. Please see below a guide to help you choose the correct bulb. (NB Figures are approximate and will vary between individual products)