A Comprehensive Guide to Light Bulb Terminology Used by Electricians

Posted by Electricians of South Auckland on 9 Dec 2025

When you’re lighting your home, it is important to know the various terms used for light bulbs and fixtures. Many people use these terms interchangeably, which can result in confusion when it comes to purchasing the correct bulbs or talking to an electrician. This article will explore the various names used for fixtures and lights to clarify the common misconceptions and provide the reason why it’s essential to be aware of these terms.

Common Terms for Light Bulbs

There are a variety of terms that refer to light bulbs, but some of the most commonly used are "lamp," "bulb," "incandescent," "fluorescent," and "LED." "Lamp" and "bulb" are commonly used interchangeably, but "lamp" usually refers to the whole light fixture, whereas "bulb" is the 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 typically employed in commercial settings, and "LED" bulbs offer the latest and most efficient choice for energy efficiency.

Terms used to describe various types of Light Fixtures

Apart from the different names for light bulb, there’s also many terms used to describe different types of light fixtures. "Can lights" are fixtures that are installed in the ceiling, while "pendant lights" hang from the ceiling using cords or chains. "Chandeliers" are huge ornamental fixtures, which are typically located in dining rooms or in the entryway"sconces" are fixtures that hang from the ceiling, and "sconces" are wall-mounted fixtures that provide ambient or task lighting.

Common Falsehoods

The most common misconceptions is that it’s not possible to use the LED bulb in lighting fixtures which need incandescent bulbs. Although LED bulbs have different wattage and shape requirements, there are many LED bulbs that are able to be used in existing fixtures. Another myth is that all fluorescent bulbs are harsh and unflattering However, there are many fluorescent bulbs that emit soft, warm lighting.

What is important to know These Terms

Knowing the various terms used for fixtures and lights is essential for a number of reasons. First, it ensures that you are using the right bulbs for your fixtures, which can improve the efficiency of lighting, and also save you money on your energy costs. Additionally, it will help when communicating with an electrician, who may need to know the specifics of the lighting fixtures you have in order to perform repairs or upgrades. Knowing these terms can make shopping for bulbs easier, as you’ll know exactly what you should be looking for in a store or online.

Conclusion

In 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 purchase the correct bulbs, interact with electricians better and make the most of the lighting fixtures you have. If you have any concerns about lighting or need help in deciding on or installing lighting fixtures, call Electricians of South Auckland for a consultation or for repair on 0800 570 082.

FAQ Section:

Can I use light bulbs with LEDs in an installation that requires incandescent bulbs?

Yes, but it is important be sure that the bulb has the correct shape and wattage for the fixture.

Which is the best efficient type of bulb?

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

When should I change my bulbs for light?

This depends on how often you use the light as well as the bulb type. Incandescent bulbs last about 1,000 hours, whereas LED bulbs can last up to 25,000 hours. It’s recommended to replace bulbs every couple of years to ensure optimal lighting quality. If you notice that your bulbs are flickering or not as bright as they were and it’s a sign they’re in need of being replaced.

In addition to these typical questions, our staff of experts at Electricians of South Auckland is always available to answer any questions you have about lighting or help you select the right fixture for the space you live in. We offer a variety of lighting options to choose from that include chandeliers, LED bulbs sconces and more.

If you’re looking to update your lighting fixtures make new ones or just need assistance selecting the right bulbs for your home, we’re here to assist. Contact us today to schedule an appointment or repair 0800 570 082, and let us assist you in making the best use of your lighting.