As you may have already guessed some types of light bulb shapes work better if paired with a.
Different type of light bulb bases.
They are differentiated by the e size which is a reference to their size in millimeters.
Different light bulb bases and your guide to using them properly modern light bulb bases.
Light bulb base chart screw bases fluorescent pin bases twist lock bases bi pin bases bayonet bases wedge bases compact fluorescent plug in bases miniature automotive bases specialty bases cable bases miscellaneous bases.
The common terms are medium intermediate candelabra and mogul.
Here are the most common bulb bases.
Screw in light bulbs have different base sizes.
The edison screw in base is universally recognized as the light bulb base.
E11 mini candelabra.
Common bulbs with e26 e27 bases.
For example an e10 base would be 10 millimeters in diameter.
This is the most common light bulb base that you can buy and is used in hid cfl ccfl halogen and incandescent light bulbs.
A19 a15 a21 br bulged reflector spotlight and floodlight bulbs.
Most of the light bulbs that you buy in stores or online are going to have this kind of base.
The most familiar is the edison screw base found on most incandescent bulbs and many halogen compact fluorescent hid and now led bulbs.
There are tens of unique bases for light bulbs.
E26 bulbs are primarily used in north america while e27 bulbs are most.