Different Types Of Light Bulb Bases

There are tens of unique bases for light bulbs.

Different types of light bulb bases.

A19 a15 a21 br bulged reflector spotlight and floodlight bulbs. While the edison screw base may be the most familiar there are others to consider as well. The most familiar is the edison screw base found on most incandescent bulbs and many halogen compact fluorescent hid and now led bulbs. Light bulb bases 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.

Whether you use incandescent bulbs halogen compact fluorescent hid or led bulbs you might need a comprehensive guide to use them properly. E26 bulbs are primarily used in north america while e27 bulbs are most. 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. There are dozens of types of light bulbs and literally hundreds of unique light bulb bases.

For example an e10 base would be 10 millimeters in diameter. Here are the typical sizes. Click on any of the illustrations to view a list of bulbs with that light bulb base. The edison screw in base is universally recognized as the light bulb base.

While the bulb life varies they will generally last for about one thousand hours. Shop by screw base with our universal bulb finder e26 e27 medium edison 26 mm or 27 mm diameter. There are many bulb bases which have been developed but the most common series is the edison base labeled with an e in front. The common terms are medium intermediate candelabra and mogul.

Screw in light bulbs have different base sizes. They are differentiated by the e size which is a reference to their size in millimeters.