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There are so many light bulbs that it can be confusing to know what you are looking at when you walk down the lighting aisle. The E light bulb is one that you commonly see. It may look something like E26, E12, E17, E39. All of these are considered E light bulbs or Edison bulbs, as in Thomas Edison. An E light bulb is simply one that has the screw in the base of the light bulb. The E denotes the type of base that the light bulb has. 

For example, while the E base screws in, a miniature bipin lightbulb has 2 prongs that plug in. The number next to the "E" is the diameter of the base in millimeters. 

The E bulb is the most common type of household light bulb that you have probably grown up seeing around your home and above your head when you had a great idea. 

Most Popular E Light Bulb Sizes

When looking into E light bulbs you can see sizes from E10 all the way up to E39. With so many options to choose from, it may seem overwhelming as to which one you should pick. There are generally a few sizes that are standard for certain types of light sockets. The E26, medium or standard bulb, is the most popular light bulb size and is the standard for most home lights. The E26 would most likely fit in your house lamp as well as your mounted light fixtures. 

Another popular size bulb is the E12 light bulb. The E12, sometimes called the candelabra, is most commonly used for smaller lights in chandeliers or plug in night lights. Some other sizes you may see are the E39 and E17, however they are more rarely used.

Types of E Light Bulbs

The E light bulb is simply referring to the bulb's base and not the type of bulb itself. E bulbs are typically standard with most lights and light sockets, but once you know the required base type, it is up to you to choose the type of bulb that you would like to use. 

The most common types of bulbs are LED, fluorescent, incandescent, and halogen. 

Each one has its own pros and cons, so you should consider them each fully before coming to a decision. Below will go into detail about each type of light bulb available to you. 


The light emitting diode or LED has become increasingly popular over the years, and for good reason. LED light bulbs are energy efficient and last longer than other types of light bulbs. These LED light bulbs do not waste energy on releasing heat like other light bulbs. 

Also, because they last longer than other types of light bulbs, you will save money on both energy costs and the cost of the light bulb itself. LED lights are very versatile and are incorporated into every type of light from holiday lights and traditional light bulbs to under cabinet lighting and solar powered stair lights. Making the switch to LED lights is one you definitely will not regret. 


You are probably familiar with fluorescent lighting if you have ever been in a hospital or a public school. These are the obnoxiously bright tube lights or the swirly looking light bulbs you see in the store. Fluorescent, sometimes called compact fluorescent lights (CFLs). 

People may choose fluorescent lights because they are more energy efficient than incandescent bulbs and are widely available. They also last quite a long time, so they do not need to be changed frequently. Fluorescent lights are also great for hard to reach places like in a tall hallway or in a closet. 


 An incandescent bulb is the most common household light bulb that you are most likely familiar with. These are very popular bulbs because they are inexpensive and have a wide variety of options. 

While they may seem inexpensive at first, with the amount of energy they use and how frequently you will have to replace them, they are not as great as they seem. If you need to replace a lightbulb quickly and for cheap, the incandescent bulb is for you. However, if you are looking for a more energy-efficient bulb worth the investment, consider a CFL or LED light bulb instead. 

A New Meaning To E Light Bulbs

While the traditional meaning of an E bulb is the Edison screw base on a light bulb, there is a new type of bulb with a similar name. 

The EBULB or emergency power LED light bulb is a light bulb built to work in the everyday setting, but also in the case of an emergency that causes a blackout. 

With this new technology, the EBULB turns on automatically with any power outage so that you are not left in the dark. Even if you have an emergency flashlight, it will not be of much help to you if you do not have the light needed to go and find it. The EBULB takes the guess and worry out of blackouts because you have enough to be concerned about if your power is going out. Also, as an added bonus, you can remove it from the socket and carry it around with you as a portable light because it doesn't generate heat and holds power on its own. Overall, the new EBULB is a great addition to your home's lighting as it is multipurpose and always makes sure your family is safe and prepared. 

Final Thoughts

The E light bulb serves many purposes in your everyday life. Without a doubt, you could look around yourself right now and see at least one, if not two of them in use around you. Hopefully you can now see that the naming system for the E light bulb is not as difficult as it seems at first glance. 

If you are ever in doubt of which type of light bulb you need you can either go for the E26 or E12 depending on if it is small or medium sized at a glance. 

If at that point neither of them fit you can narrow it down to an intermediate size. It is also amazing that technology has advanced so much that the new EBULB has emerged. If only Thomas Edison could see where the E bulb has ended up now!




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