Different light bulb fittings at a glance.
Bulb fitting types uk.
Bulb types that start with e are screw fittings and those that start with gu are click fittings.
The cap or base provides an electrical connection to the lamp and ensures the lamp is held in the correct position.
Shop now e14 small edison screw cap.
Apart from the difference in cap types the e27 is identical to the b22.
Shop now b15 small bayonet cap.
Distance pin centre to pin centre.
This base of this lamp is technically named gu5 3 however the whole spotlight is more commonly referred to as an mr16.
Your lamp or fixture s socket will dictate which cap or base a light bulb needs in order to fit but there are a number of different base types and sizes to choose from and it s not always easy to determine which type is right for your fixture.
Featuring two round pins that push into the fitting this is the 2nd most popular type of spotlight.
Shop now e27 edison screw cap.
The letters tend to stand for the name of the fitting and the numbers are the diameter of the fitting in millimeters.
The instructions on your lamp or light fitting will tell you the style of cap fitting to choose.
A series light bulbs are the classic shape most people think of when they imagine a light bulb.
If you can not find the type you are looking for or have any further questions please.
Known as e27 as they have a screw in cap with a 27mm diameter.
Types of lamp fittings.
Find the light bulb base type you re looking for with this visual chart detailed illustrations of general bases fluorescent bases and specialty halogen base types.
For example an e27 is an edison screw bulb with a diameter of 27 millimeters.
There are more than 100 different bulb fittings for lamps.
However we have listed the 8 most common and used bulbs for you and the type of lamps they are most suitable for.
All light bulbs have a code to identify their type of fitting.
Edison screw caps are also known as es they are more common in america and europe but are becoming more popular in the uk with outdoor lights and european brands of light fittings.
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Below we have listed the most popular fittings.
A series bulbs are also known as arbitrary general lamp service gls or standard bulbs.
The cap or base of a light bulb joins the bulb to the lamp socket in order to provide an electrical connection.