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.
Bulb base types uk.
Medium standard base code.
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.
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These light bulbs are commonly available with both bayonet b22 and screw e27 e14 base types and have a wide variety of applications.
There are dozens of base types for light bulbs most of them made up of a series of letters and numbers.
Bulbs with these bases are the most popular of all screw base bulbs.
Look at your fixture to determine its base type.
A series bulbs are also known as arbitrary general lamp service gls or standard bulbs.
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.
About light bulb base types.
Bulbs used for headlamps turn signals and brake lamps may be required to comply with international and national regulations governing the types of lamps used other automotive lighting applications such as auxiliary lamps or interior lighting may not be regulated but common types are used by many automotive manufacturers.
Most common light bulb uses including lamps recessed flush mount flood lights are going to have one of the first three base types shown above.
A series light bulbs are the classic shape most people think of when they imagine a light bulb.
Led lights have a colour temperature between 2700 and 3000k halogen around 2800k and energy saving lights between 2700 and 6500k.
Look at your fixture to determine its base type.
The cap or base of a light bulb joins the bulb to the lamp socket in order to provide an electrical connection.
Decoding these is often no easy task for consumers and professionals.
For example the colour temperature of candlelight is around 2000k while bright sunlight is about 6000k.
Bulbs with these base types are available in many different styles.
Pin type bases are normally used for track lighting landscape bulbs.
They are commonly used for general lighting in standard light fixtures such as ceiling lights lamps can lights outdoor spotlight and flood light fixtures and vanity lights.
Click on any of the base illustrations above to see a list of light bulbs that have that base.