A Comprehensive Guide to Light Bulb Terminology Used by Electricians

Posted by Local Electrician Northern Beaches on 17 Dec 2025

When it comes to lighting your home, it’s important to understand the different terms used to describe light bulbs and fixtures. Many people use the terms in a way that can create confusion when it comes to purchasing the correct bulbs or speaking with an electrician. In this article, we’ll explore the various terms used to describe fixtures and lights to clarify the common misconceptions and discuss the reasons why it’s crucial to be aware of these terms.

Common Names for Light Bulbs

There are numerous terms that refer to light bulbs. Some of the most common are "lamp," "bulb," "incandescent," "fluorescent," and "LED." "Lamp" as well as "bulb" are often used interchangeably, however "lamp" typically refers to the entire fixture, whereas "bulb" refers to the actual light source. "Incandescent" bulb are old-fashioned Edison-style bulbs which are being phased out to make way for more efficient options. "Fluorescent" bulbs consist of long, tube-like bulbs, which are commonly used in commercial settings, while "LED" bulbs are the newest and most energy efficient option.

Terms Used for Different Types of Light Fixtures

Apart from the different names for light bulb, there’s various terms used to describe different types of light fixtures. "Can lights" are fixtures with recessed sockets that are installed in the ceiling. While "pendant lights" are suspended from the ceiling using a chain or cord. "Chandeliers" are massive decorative fixtures typically found in entryways or dining rooms"sconces" are fixtures that hang from the ceiling, and "sconces" are fixtures that are mounted to the wall which provide task or ambient lighting.

Common Falsehoods

One of the most commonly-held misconceptions is that you can’t use the LED bulb in lighting fixtures which use incandescent bulbs. While it’s true that LED bulbs have different wattage and shape requirements, there are many LED bulbs that can be used within existing lighting fixtures. Another myth about fluorescents is the fact that they are harsh and ugly however there are a variety of fluorescent bulbs that emit warm, soft light.

What is important to know These Terms

Knowing the various terms that are used to describe light bulbs and fixtures is crucial for several reasons. It first ensures you’re using the appropriate bulbs for your fixtures, which will improve the efficiency of lighting, and also save you money on your energy costs. It can also be helpful when communicating with an electrician, who may need to know the specifics of the lighting fixtures you have in order to fix or upgrade them. Also, knowing these terms can make shopping for bulbs a lot easier, since you’ll know precisely what to look for when browsing in-store or on the internet.

Conclusion

Understanding the different names used for fixtures and light bulbs can be a significant advantage when it comes to lighting your home. Knowing the different names used for fixtures and lights and fixtures, you’ll be able buy the right bulbs, communicate with electricians better, and make the most of your lighting fixtures. If you have any concerns about lighting , or require help choosing or installing fixtures, contact Local Electrician Northern Beaches for a consultation or to request repair via 1300 610 481.

FAQ Section:

Can I use the LED bulb in fixtures that requires incandescent bulbs?

Yes, but you have be sure that the bulb is the right size and shape for the fixture.

What is the most energy-efficient type of bulb?

They are also the most energy efficient and longest-lasting type of bulb.

How often should I replace my light bulbs?

It’s based on the frequency you use the light as well as the bulb type. Incandescent bulbs typically last for around 1,000 hours, while LED bulbs can last for up to 250,000 hours. It’s recommended to replace your bulbs every couple of years to ensure the highest lighting quality. If you notice your bulbs dim or aren’t so bright like they used to be this is a sign that they may need to be replaced.

In addition to these typical questions, our team at Local Electrician Northern Beaches is always available to answer any other questions you have about lighting, or to help you choose the best lighting fixtures to fit your space. We offer a variety of lighting options for you to choose from that include LED bulbs, chandeliers, sconces and more.

If you’re looking to improve your existing lighting fixtures, make new ones or just need assistance choosing the best bulbs to fit your needs, our experts are here to help. Contact us today for an appointment for a repair or consultation at 1300 610 481, and let us assist you in making the most of the lighting in your home.