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Understanding common lighting terminology

Posted on April 8, 2023 By Supreme Light Solutions

Lighting is an essential element of our daily lives, and yet many of us don't fully understand the terminology that is used to describe it. Whether you're an interior designer, an architect, or simply someone who wants to learn more about lighting, it's important to understand the various terms that are commonly used in the industry. In this blog post, we'll explore some of the most common lighting terminology and provide examples to help you better understand what each term means.

Lumens

Lumens are a measure of the total amount of visible light emitted by a light source. This is an important term to understand because it is used to describe the brightness of a light bulb. The higher the number of lumens, the brighter the light. For example, a 60-watt incandescent bulb typically produces around 800 lumens, while a 100-watt bulb produces around 1600 lumens.

It is important to note that lumens measure the total amount of light emitted by a bulb, whereas watts measure the amount of energy consumed by a bulb. This means that two bulbs with the same wattage can produce different amounts of light, depending on their lumen output.

Color Temperature

Color temperature is a measure of the color appearance of light. It is measured in degrees Kelvin (K) and is used to describe the warmth or coolness of a light source. A lower color temperature (2700K-3000K) produces a warm, yellowish light that is often used in residential settings. A higher color temperature (5000K-6500K) produces a cooler, bluish light that is often used in commercial settings.

The color temperature of a light source can have a significant impact on the look and feel of a space. For example, a warm, yellowish light can create a cozy and inviting atmosphere, while a cooler, bluish light can create a more modern and clinical look.

CRI

CRI stands for Color Rendering Index, and it is a measure of how accurately a light source reproduces colors. The CRI scale ranges from 0 to 100, with a higher number indicating better color rendering. For example, natural sunlight has a CRI of 100, while an incandescent bulb typically has a CRI of around 80.

CRI is an important factor to consider when choosing lighting for spaces where color accuracy is important, such as art galleries, retail stores, and photography studios. A high CRI light source will accurately reproduce colors, making it easier to see the true colors of objects in the space.

Footcandles

Footcandles are a measure of the amount of light that falls on a surface. It is measured in units of lumens per square foot. This term is commonly used in the lighting industry to describe the level of illumination required for a particular task or activity. For example, a reading lamp might produce 50-100 footcandles, while a surgical suite might require 1000-2000 footcandles.

Understanding footcandles is important when choosing lighting for specific tasks or activities. For example, if you're choosing lighting for a reading nook, you'll want to choose a light source that produces enough footcandles to provide adequate illumination for reading.

Wattage

Wattage is a measure of the amount of power consumed by a light source. It is often used to describe the energy efficiency of a light bulb. The lower the wattage, the less energy the bulb consumes. For example, a 60-watt incandescent bulb consumes more energy than a 10-watt LED bulb.

Understanding wattage is important when choosing lighting for energy efficiency. By choosing bulbs with lower wattage, you can reduce your energy consumption and save money on your energy bills.

LED

LED stands for Light Emitting Diode, and it is a type of lighting technology that has become increasingly popular in recent years. LED lights are more energy-efficient than traditional incandescent bulbs, and they have a longer lifespan. They are also available in a wide range of colors and can be used for a variety of applications.

LED lighting is a popular choice for both residential and commercial applications due to its energy efficiency and long lifespan. LED lights are also available in a wide range of styles and designs, making it easy to find a light source that fits your needs.

Dimmer

A dimmer is a device that is used to control the brightness of a light source. It is commonly used in residential settings to create ambiance or to save energy. Dimmers can be used with a variety of light sources, including incandescent bulbs, LED lights, and fluorescent lights.

Using a dimmer can be a great way to create a cozy and inviting atmosphere in your home. By adjusting the brightness of your lights, you can create the perfect ambiance for any occasion.

Fixture

A fixture is a device that is used to hold a light source in place. It can be a simple lamp or a more complex lighting system. Fixtures are available in a wide range of styles and designs, and they can be used for a variety of applications.

Choosing the right fixture is important when designing a space. The fixture not only holds the light source in place but also contributes to the overall aesthetic of the space.

Bulb Type

There are several different types of light bulbs available, each with its own unique characteristics. Some of the most common types include:

  • Incandescent bulbs: These are the traditional light bulbs that have been used for decades. They are inexpensive but not very energy-efficient.
  • LED bulbs: These are the most energy-efficient bulbs available and have a long lifespan. They are available in a wide range of colors and can be used for a variety of applications.
  • Fluorescent bulbs: These are commonly used in commercial settings because they are energy-efficient and long-lasting. They are available in a range of colors but can be expensive to purchase.
  • Halogen bulbs: These are similar to incandescent bulbs but are more energy-efficient. They are commonly used in residential settings.

Choosing the right bulb type is important when designing a space. The type of bulb you choose will impact the overall look and feel of the space, as well as its energy efficiency and lifespan.

Conclusion

Understanding common lighting terminology is essential for anyone who works with lighting or wants to improve their home lighting. By understanding these terms, you can make more informed decisions about the type of lighting you need for your home or business. Whether you're looking for a warm, cozy atmosphere or bright, efficient lighting, there is a solution to meet your needs. So the next time you're shopping for lighting, be sure to keep these terms in mind and ask questions to ensure that you're getting the right product for your needs.

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