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.
What base is a standard light bulb.
The light bulb base and socket are manufactured in a way that predetermines the light bulb s position in the socket.
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Bulbs with these base types can be used interchangeably as there is only a 1 millimeter difference in base size.
Click on any of the illustrations to view a list of bulbs with that light bulb base.
They may have a different shape from standard a shape bulbs or have a smaller candelabra base.
For medium base ceiling fans rough service bulbs work the same way.
Use this handy guide to identify different types of light bulb bases that apply to incandescent halogen high intensity discharge fluorescent and led light bulbs.
The extra thick filament extends the life of the bulb when used in high vibration applications such as a ceiling fan or garage door opener.
No matter how the end user places the light bulb base into the socket it will always turn and lock into the same position every time creating a fail safe for the light bulb s operation.
Bulbs with these bases are the most popular of all screw base bulbs.