Different Bases For Light Bulbs

There are tens of unique bases for light bulbs.

Different bases for light bulbs.

Here are the typical sizes. The most familiar is the edison screw base found on most. The number after the e represents the diameter of the base in millimeters. Here are some examples of edison bases and their more commonly known names.

For example an e10 base would be 10 millimeters in diameter. E11 mini candelabra. Common bulbs with e26 e27 bases. 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.

The two wires located at the base of the glass provide the required electrical voltage contact points for the wedge base bulb. Click or tap on a base to view matching bulbs from our catalog. Most edison base bulbs have a single contact at the center of the base. Miniature lamps may have a wedge base made of glass or plastic.

The base may be an extension of the glass envelope of the bulb with the wire leads of the lamp folded up at the base. 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. A wedge base holds the lamp by spring compression in the socket. Before him were some other attempts but he get credit as his was sustainable.

The history of lighting and light bulbs takes us back all the way to 1879 when thomas edison invented the light bulb. Some wedge bases are made of plastic and slipped over the wire leads. Click here to save and print what is the difference between light bulb bases. Screw bases 10mm miniature screw e10 11mm miniature candelabra e11 12mm candelabra e12 14mm european e14 17mm intermediate e17 26mm medium e26 26mm medium skirted 27mm european medium e27 39mm mogul e39.

He was the first person to create the first commercially viable incandescent light. They are differentiated by the e size which is a reference to their size in millimeters. Instead of using a metal base or soldering these bulbs are made by tapering the glass in a way that seals the light bulb.