Elucidating the Mysteries of Light Bulb Terminology: What Electricians Mean

Posted by Electricians of South Auckland on 9 Dec 2025

When you’re illumination of the home it’s important to understand the different terms that are used to describe light bulbs and fixtures. Many people use the terms in a way that may result in confusion when buying the right bulbs or talking to an electrician. We’ll explore the different names for 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 many different names used to describe light bulbs. Some of the most popular include "lamp," "bulb," "incandescent," "fluorescent," and "LED." "Lamp" along with "bulb" are commonly used interchangeably, however "lamp" generally refers to the entire light fixture, while "bulb" is the light source. "Incandescent" bulbs are traditional, Edison-style bulbs that are gradually being eliminated in favor of more energy-efficient options. "Fluorescent" bulbs consist of tubes-shaped, long bulbs which are typically used in commercial settings and "LED" bulbs offer the most recent and energy-efficient option.

Terms Used for Different Types of Light Fixtures

In addition to different names for lighting bulb, there’s many terms used to define different kinds of light fixtures. "Can light bulbs" are fixtures that are installed in the ceiling, whereas "pendant lights" are suspended from the ceiling with a chain or cord. "Chandeliers" are massive ornamental fixtures, which are typically located in dining rooms or in the entryway as well as "sconces" are fixtures mounted on the wall which provide task or ambient lighting.

Common Falsehoods

A commonly-held misconceptions is that you can’t make use of LED bulbs in fixtures that require incandescent bulbs. Although LED bulbs have different wattage and shape requirements, there are many LED bulbs that are able to be used within existing lighting fixtures. Another misconception about fluorescents is the fact that they are unflattering and harsh however there are a variety of fluorescent bulbs that offer soft, warm lighting.

Why it’s important to be aware of These Terms

Knowing the various terms that are used to describe fixtures and lights is crucial for several reasons. It first ensures you’re using the appropriate bulbs for your fixtures, which can improve brightness, and also help you save money on your energy bills. It can also be helpful when interacting with an electrician who may require to know the particulars of the lighting fixtures you have in order to perform repairs or upgrades. Knowing these terms can make shopping for bulbs much easier as you’ll know precisely what to look for when browsing in-store or online.

Conclusion

Understanding the different names used for light bulbs and fixtures will make a huge difference in the lighting of your home. Knowing the different names for fixtures and light bulbs, you’ll be able to buy the right bulbs, talk to electricians better and make the most of the lighting fixtures you have. If you have any concerns about lighting , or require help in deciding on or installing lighting fixtures, contact Electricians of South Auckland for a consultation or for repair on 0800 570 082.

FAQ Section:

Can I make use of the LED bulb in fixtures that needs incandescent bulbs?

Yes, but you need be sure that you have the right bulb form and wattage to the fixture.

Is there a more energy efficient type of bulb?

The LED bulb is the most energy efficient and longest-lasting kind of bulb.

When should I change my light bulbs?

It’s based on the frequency you utilize the light and the type of bulb. Incandescent bulbs usually last around 1,000 hours, whereas LED bulbs can last up to 25,000 hours. It’s a good idea to replace bulbs every two years or so to maintain the best lighting quality. If you find that your bulbs are flickering or not quite as brilliant as they used to be, it’s a sign that they’re in need of being replaced.

Alongside these frequently asked questions, our team is available at Electricians of South Auckland is always available to answer any questions you may have about lighting or help you select the best fixture for the space you live in. There is a broad selection of lighting options to choose from, including chandeliers, LED bulbs sconces, and more.

If you’re looking to update your existing lighting fixtures, make new ones or just need assistance selecting the right bulbs that will fit in your space, we’re there to help. Contact us today for an appointment or repair 0800 570 082, and let us help you make the most of the lighting in your home.