A Primer on Light Bulbs: Decoding Electricians' Terminology

Posted by Local Electrician Glen Waverley on 28 Apr 2026

When you’re the lighting of your house, it is important to know the various terms used for light bulbs and fixtures. A lot of people use both terms together, and this could result in confusion when it comes to buying the right bulbs or talking to an electrician. In this article, we’ll go over the various terms used to describe fixtures and lights and fixtures, dispel common misconceptions and discuss the reasons why it’s crucial to know these terms.

Common names for Light Bulbs

There are a variety of names used to describe light bulbs. However, some of the most common are "lamp," "bulb," "incandescent," "fluorescent," and "LED." "Lamp" as well as "bulb" are often used interchangeably, but "lamp" generally refers to the whole light fixture, while "bulb" is the actual light source. "Incandescent" bulbs can be described as traditional, Edison-style bulbs that are being phased out in favour of more energy efficient alternatives. "Fluorescent" bulbs consist of tube-shaped bulbs that are often used in commercial settings, and "LED" bulbs represent the latest and most energy efficient option.

Terms used to describe various types of Light Fixtures

In addition to different names for light bulbs, there are also many terms used to define various types of light fixtures. "Can light bulbs" are recessed fixtures which are mounted in the ceiling, whereas "pendant lights" are hung from the ceiling by cords or chains. "Chandeliers" are large, decorative fixtures typically found in dining areas or entryways, and "sconces" are fixtures mounted on the wall that offer ambient or task lighting.

Common Conceptions

One of the most common misconceptions is that you can’t use LED bulbs in fixtures that use incandescent bulbs. Although LED bulbs come with different wattages and shapes There are many LED bulbs that can be used to replace existing light fixtures. Another misconception is that all fluorescent bulbs are unflattering and harsh however there are a variety of fluorescent bulbs that provide soft, warm lighting.

What is important to know These Terms

Knowing the different terms that are used to describe fixtures and light bulbs is important for a few reasons. It is the first step to ensure that you’re using the correct bulbs to your fixtures, which will enhance the efficiency of lighting, and also reduce your energy bills. Additionally, it will help in negotiating with an electrician who might need to know the particulars of the lighting fixtures you have in order to make repairs or upgrades. Finally, knowing these terms will make shopping for bulbs easier, as you’ll know exactly what to look for when browsing in-store or on the internet.

Conclusion

In the end, knowing the various terms used to describe fixtures and lights can be a significant advantage in the lighting of your home. By knowing the different names of fixtures and light bulbs, you’ll be able to purchase the correct bulbs, talk to electricians more efficiently, and make the most of the lighting fixtures you have. If you have any questions regarding lighting or require assistance selecting or installing lighting fixtures, contact Local Electrician Glen Waverley for a consultation or for repair on 1300 933 820.

FAQ Section:

Can I make use of LED bulbs in a fixture that needs incandescent bulbs?

Yes, but you have to make sure the bulb has the correct form and wattage to the fixture.

Which is the best energy efficient type of bulb?

LED bulbs are the most efficient and longest-lasting type of bulb.

When should I change my light bulbs?

This depends on how often you utilize the light and the bulb type. Incandescent bulbs last about 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 maintain the best lighting quality. If you find that your bulbs are flickering or not quite as brilliant as they were and it’s a sign they’re in need of being replaced.

In addition to these common questions, our staff at Local Electrician Glen Waverley is always available to answer any questions you have about lighting or help you select the best fixtures for your home. We have a wide selection of lighting options for you to choose from which include chandeliers, LED bulbs, sconces and more.

Whether you’re looking to upgrade your existing lighting fixtures, install new ones, or simply need help selecting the right bulbs for your home, we’re here to assist. Contact us today to schedule a consultation or repair at 1300 933 820, and let us assist you in making the most of the lighting in your home.