It has a pear like shape and is typically fitted to either an edison screw or a bayonet cap base.
What base is a regular light bulb.
Click or tap on a base to view matching bulbs from our catalog.
Standard medium a regular sized screw in base usually denoted with an e26 or e27.
Conical c bulbs are shaped like a cone.
Screw bases 10mm miniature screw e10 11mm miniature candelabra e11 12mm candelabra e12 14mm european e14 17mm intermediate e17 26mm medium e26 27mm european medium e27 39mm mogul e39.
Today light bulb manufacturers have managed to make cfl bulbs with a wider range of light quality and many of them are indistinguishable from traditional incandescent light bulbs.
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The a series light bulb is the classic glass light bulb shape that has been the most commonly used type for general lighting service gls applications since the early 20th century.
Incandescent bulbs used to be the industry standard but laws now require new energy efficient standards for basic light bulbs.
Many specialty incandescent bulbs such as chandelier bulbs will remain available.
The most common light bulb base types are.
All standard 100 75 60 and 40 watt incandescent bulbs have been phased out and will no longer be produced.
All of the bulbs in these groups resemble the shape of a candle flame and are often referred to as candle bulbs.
Candelabra a smaller screw in base denoted most often with an e12.
It is found on smaller light bulb.
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.
Bi pin a pin in base with two points of contact often denoted by a g4 or gu24.
The first letter designates the shape or form of the base and the number represents the width of the base normally in millimeters.
Cfl bulbs last much longer than incandescent light bulbs and they also use a lot less energy than traditional incandescent light bulbs.
Gu10 a twist.
What are the different light bulb bases.
From top left to bottom right.
The intermediate e17 base is not very common.
Light bulb base chart.
Bulbs with these bases are the most popular of all screw base bulbs.
B10 led bulbs in wall sconce ca10 led bulbs in chandelier c9 led bulbs in christmas light strings c7 led bulb in night light.
Bulbs with these base types are available in many different styles.