A Lexicon of Light Bulbs: An Electrician's Guide to Terminology

Posted by Local Electrician Eltham on 10 Jan 2026

When you’re illumination of the home it is important to know the various terms that are used to describe light bulbs and fixtures. A lot of people use these terms interchangeably, which could create confusion when it comes to buying the right bulbs or talking to an electrician. This article will look at the various names used for fixtures and lights to clarify the common misconceptions and discuss the reasons why it’s crucial to know these terms.

Common Terms for Light Bulbs

There are many different terms that refer to light bulbs. Some of the most common are "lamp," "bulb," "incandescent," "fluorescent," and "LED." "Lamp" and "bulb" are frequently utilized interchangeably, but "lamp" typically refers to the entire light fixture, whereas "bulb" refers to the actual light source. "Incandescent" bulbs are old-fashioned Edison-style bulbs which are gradually being eliminated in favour of more energy efficient options. "Fluorescent" bulbs consist of tube-shaped bulbs, which are commonly employed in commercial settings, while "LED" bulbs offer the latest and most efficient choice for energy efficiency.

The terms used to describe different types of Light Fixtures

Alongside the various names for light bulbs, there are numerous terms that describe different types of light fixtures. "Can lights" are recessed fixtures that are installed on the ceiling, while "pendant lights" hang from the ceiling by cords or chains. "Chandeliers" are large ornamental fixtures, which are typically located in dining rooms or in the entryway, and "sconces" are wall-mounted fixtures that offer ambient or task lighting.

Common Misconceptions

One of the most commonly-held misconceptions is that you cannot make use of LED bulbs in fixtures that require incandescent bulbs. While it’s true that LED bulbs have different wattage and shapes however, there are a variety of LED bulbs that are able to be used in existing fixtures. Another misconception has been that fluorescent lights are all unflattering and harsh, but there are many fluorescent bulbs that emit soft, warm lighting.

Why it’s important to be aware of These Terms

Knowing the various terms that are used to describe fixtures and light bulbs is important for a few reasons. First, it ensures that you are using the right bulbs for your fixtures. This will improve the quality of your lighting and help you save money on the cost of energy. Additionally, it will help when interacting with an electrician, who may need to know the specifics of your lighting fixtures to make repairs or upgrades. Finally, knowing these terms can make shopping for bulbs easier, as you’ll know exactly what to be looking for in a store or on the internet.

Conclusion

Understanding the various terms used to describe light bulbs and fixtures can make a big difference in the lighting of your home. By knowing the different names used for fixtures and lights that you can find the best bulbs, communicate with electricians more effectively, and make the most of your lighting fixtures. If you have questions about lighting or need help in deciding on or installing lighting fixtures, contact Local Electrician Eltham for a consultation or for repair on 1300 933 820.

FAQ Section:

Can I utilize LED bulbs in a fixture which requires incandescent bulbs?

Yes, but you need to make sure the bulb has the correct shape and wattage for the fixture.

Is there a more efficient bulb?

The LED bulb is the most efficient and long-lasting bulb.

How often should I replace my bulbs for light?

It’s based on the frequency you use the light as well as the type of bulb. Incandescent bulbs usually last around 1,000 hours, while LED bulbs can last for up to 250,000 hours. It’s a good idea to replace your bulbs every couple of years to ensure the highest lighting quality. If you notice your bulbs flickering or not as bright as they once were and it’s a sign they might need to be replaced.

Alongside these frequently asked questions, our staff at Local Electrician Eltham is always available to answer any questions you have about lighting, or to help you choose the ideal lighting fixtures to fit your space. We offer a variety of lighting options for you to choose from which include chandeliers, LED bulbs, sconces and more.

If you’re looking to improve your existing lighting fixtures, make new ones, or simply need help selecting the right bulbs that will fit in your space, we’re there to assist. Contact us today for an appointment for a repair or consultation at 1300 933 820, and let us help you make the best use of your lighting.