The bulb is a type and the diameter would be 2 3 8 a 120br40 is a 120 watt reflector 5 in diameter.
Lamp base types chart.
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.
Types of light bulb bases find the light bulb you need using this visual light bulb base chart and detailed illustrations of general light bulb bases fluorescent bases and specialty halogen base types.
3 illustrated charts showcase the 56 different types of light bulbs based on shape base and size.
Light bulb sizes and shapes chart including the different kind of light bulb bases.
The intermediate e17 base is not very common.
Color temperature kelvins reference guide.
Click here to save and print what is the difference between light bulb bases.
This is an epic light bulb buying guide that you need when putting in light fixtures or you need to buy a bulb.
It is used in most incandescent nostalgic led cfl and halogen light bulbs.
Light bulbs for automobiles are made in several standardized series.
The candelabra e12 base is the second most common bulb base which is used for smaller decorative incandescent nostalgic bulbs.
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.
Learn about all the different types of light bulbs including led halogen fluorescent and more.
There are tens of unique bases for light bulbs.