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The Place for Questions and Answers


What is linear recessed lighting?

Linear recessed lighting is a type of architectural lighting in which linear channels, usually in straight (linear) four-feet to eight-feet standard sections, can create any desired linear design, which are recessed into the ceiling, wall or floor. The purpose is to accentuate modern residential or commercial architectural features and or provide balanced general lighting. Available in LED lighting technology, linear recessed lighting applications range from wall wash and wall graze to downlight.

Can I connect linear recessed lights together?

Yes. Our linear recessed lights can be connected for seamless runs of any length if ordered as a continuous run.

What are the different linear recessed lighting mounting options?

Our linear recessed lights can be installed in ceiling T-bar and screw slot applications, hard ceilings, such as drywall with flange or flangeless, in soffits, in the wall or in the floor.

Can I create shapes with linear recessed lighting in my ceiling?

We use 90° as well as 135° corner joins to create a variety of geometric shapes. Standard shapes range from squares to crosses, rectangles and octagons. You can also draw a desired shape using corner joints (see above) which we can custom fabricate.

Can I install linear recessed lights on the wall and ceiling?

Yes. Our recessed lighting can be installed in the wall or ceiling as well as along a seamless run that can start from the ceiling and run down the wall.

What is wall wash linear recessed lighting?

Wall wash linear ceiling LED recessed lights have a reflector inside, directing light at an angle onto the wall to illuminate art, displays or signage.

When these are installed, will you just see the strip of light? Or is there a border around it?

We carry both borderless, also known as flangeless or trimless, linear recessed lighting as well as linear recessed lights with a border trim, also known as flanged.

What lengths can I get linear recessed lighting in?

Our linear recessed lighting comes in the standard four-foot and eight-foot lengths. However, we can also provide custom lengths, depending on the lighting fixture.

Linear Pendant Lighting Q & A

What is linear suspension lighting?

Linear suspension lighting describes the mount-type of linear architectural lighting fixtures using aircraft cable suspension kits. These suspension kits allow suspension from 48 inches up to 120 inches from the ceiling.

What is linear LED lighting?

Linear LED lighting provides Light-Emitting Diode (LED) illumination through symmetrical and asymmetrical linear fixture shapes.

Is LED linear suspension lighting the same as LED linear pendant lighting?

Yes. They describe the same category of lighting fixtures.

Can linear pendants direct light up as well as down?

Yes. Our linear suspension lighting products allow for configuring uplighting as well as downlighting.

What is uplighting?

An uplight is a light fixture that directs light up toward the ceiling. Uplighting can also be used to highlight ceiling details, such as beams, pipes and other distinctive ceiling infrastructure.

What is indirect lighting? 

Indirect lighting is light reflected from another surface.

Are indirect lights uplights?

No. The linear product design may aim LEDs at a reflector inside the fixture to minimize glare of the downlight. There will be no uplight from this fixture on the ceiling. This type of fixture is known as an indirect downlight. 

Which applications use uplighting?

Uplighting suits the office space or classroom because uplighting minimizes glare, making an easier, more conducive working environment.


What does vandal-resistant LED outdoor lighting mean?

Vandal-resistant is also known as tamper-resistant or tamper- proof, which refers to the robust rugged metal casing secured by tamper-resistant screws, usually in stainless steel. These outdoor lighting fixtures can withstand rough abuse and tampering in high-occupancy public areas, enhancing safety and security.

What’s the installation difference between low voltage and line voltage outdoor lighting?

Low voltage outdoor lighting systems use a transformer (sold separately) to reduce normal line voltage from 120 or 277 volts to 12 or 24 volts. Low voltage cables are designed for simpler concealment and can be installed by the property owner; line voltage cables need to be buried deeper into the soil, housed in a conduit and installed by a licensed installer.

What is the difference among IP54, IP67, IP68 and IP69K?

  • IP54: Protected from water spray from any direction.
  • IP67: Protected from immersion in water between 6 inches and 3 feet in depth.
  • IP68: Protected from long-term immersion in water up to a specified pressure.
  • IP69K: Protected from high pressure downward spray.

Is the finish for outdoor lighting different than the finish for indoor lighting?

Yes. Outdoor lighting is available with durable and corrosion- resistant finishes. This prevents natural deterioration.

Are additional options are available with your commercial outdoor lighting?

Yes. Depending on the type of lighting fixture, outdoor lighting can have daylight sensors as well as a remote emergency backup battery with an illuminated self-diagnostic LED test switch.

Do all low voltage LED light fixtures come with a transformer?

No. Each transformer, also known as the power supply, is sold separately and can be purchased and paired with a low voltage LED lighting fixture.

What does remote power supply mean?

Remote power supply refers to the fact that the power supply, also known as the transformer, is not integrated into the lighting fixture and must be remotely installed to power the low voltage LED lighting fixture.

How do I know what type of transformer I need?

This is crucial information. Please note that you can power more than one lighting fixture with a single transformer. First, we’ll need to know the voltage of the lighting fixture (usually 12 or 24 volts) as well as the voltage of the building (usually 120 or 277 volts). Second, we’ll need to know the total load measured in wattage or amps; the total wattage of all lights to be powered at the same time by a single transformer. Our premium low voltage transformers, also known as power supplies, are already derated, allowing them to be loaded to maximum wattage capacity. Third, check and confirm that your calculations are correct before placing the order.


How do I dim office lights—and are there options?

With a simple dimming driver—and, yes, we offer a variety of options. Order LED lighting fixtures with the desired LED dimming driver to dim office lights:
  • Triac 2-wire forward phase dimming (also known as incandescent dimming).
  • MLV 2-wire forward phase dimming (short for magnetic low voltage dimming).
  • ELV 3-wire reverse phase dimming (short for electronic low voltage dimming).
  • 0-10V 5-wire dimming

How do I go about choosing office lights?

Office LED lighting is available in several fixture types:
  • Recessed
  • Surface
  • Wall
  • Pendant
The abundance of light required for office space can be calculated by the help of an architect or a lighting designer. The type of light can also be selected with help from an architect, interior or lighting designer, or a lighting sales consultant. Learn more by browsing and reading our various blog articles and guides:

Which Kelvin measurement is best for office lighting?

Any color temperature between 3,000 and 4,000 Kelvin should be fine, though 3,500 Kelvin is probably ideal for most office lighting. Please read “The Effects Of Light Color And Intensity On Your Mind And Body”. Choose among products with our color tuning technology for added convenience of being able to choose any color temperature at any time of day. Learn more by reading “Lighting Technology: What Is Color-Tunable Lighting?”

How should I deal with bright office lights?

It depends. Generally, because warmer color temperatures appear less bright, it’s best to lower the color temperature. Also, check whether a light fixture is supplied with a dimming driver. If so, consult with an installer to determine the dimming technology and to install a compatible wall-mounted dimmer.

How should I light the home office?

Choose LED lighting with a combination of task as well as general lighting. Task lighting could be a desk lamp. General lighting can be ceiling-mounted.

How many lumens are needed for office lighting?

Generally, 50 to 75 footcandles for reading and writing. Add 20 to 50 footcandles for spaces or rooms with computers. Learn more by reading “How To Determine How Many Lumens You’ll Need To Properly Light Your Space.”

How bright should office lighting be?

Any color temperature between 3,000 and 4,000 Kelvin should be fine, though 3,500 Kelvin is probably ideal for most office lighting. Please read “The Effects Of Light Color And Intensity On Your Mind And Body”. Choose among products with our color tuning technology for added convenience of being able to choose any color temperature at any time of day. Learn more by reading “Lighting Technology: What Is Color-Tunable Lighting?”

What does CRI mean and which CRI measurement is best for office lighting?

Color Rendering Index (CRI) is a scale which runs from zero to 100. The CRI gauges how well the light renders color. The higher the CRI, the better the color rendering ability. For example, a CRI of 80 suits offices with standard paint, such as white, black and silver—while a CRI of 90 suits offices with painted colors, such as red, blue, green, red, yellow, etc. Learn more by reading “Color Rendering Index – What Is CRI?”.

Do you have office lighting in stock?

Yes. Alcon Lighting stocks a large selection of office lighting products. Some lighting may require assembly by our production team, which requires lead time. Others may be in stock and ready to ship. Our team of lighting sales consultants can help you choose which product fits your project.

Do you carry office lights not listed on your website?

Yes. The volume and variety of office lighting available in today’s market precludes us from cataloguing every item, though we strive to feature the most refined selection of products on our website. Our team of lighting sales consultants can help you browse, acquaint and find products that may fit your needs.

Do you offer reduced pricing based upon quantity?

Pricing varies among distribution, trade and end user channels. Reduced pricing may be available, depending upon the quantity required. Consider applying for TradePro, our membership club for industry and trade professionals. Or browse a product page and request a volume discount using a specification and quantity.

What types of optics are available with your office lights?

Optics, also known as range-of-view, is available in direct downlighting, indirect uplighting as well as wall wash lighting.

What’s the difference between dynamic white color temperature and tunable white?

Dynamic white color temperatures range from 2,700 Kelvin to 5,000 Kelvin and cannot be easily changed after light fixtures are installed. Tunable white ranges from 2,000 Kelvin to 6,500 Kelvin. These temperatures can be changed using a wireless remote or wall control at the project site.

What is a color-selectable switch?

This term describes a selection of lighting products available with a pre- installed switch located on the lighting fixture. This feature allows the user to choose from among a small selection of color temperatures. The feature is less expensive than tunable white technology.

What is the difference between a single run and a continuous run?

Our selection of lighting products are available to be ordered either as a single item or as a longer item comprised of smaller pieces creating a continuous run.

What is the difference between a recessed T-bar grid and a recessed screw-slot, ceiling-type grid?

T-bar refers to the standard low-cost ceiling grid system. The screw-slot system offers a center reveal, making it more aesthetically or architecturally appealing.

What’s the best type of lighting for an office or workspace with no windows?

Other than striving to balance task and general lighting, color tuning systems are ideal. Color tuning allows users to control the color of light any time after installation, affording the ability to attune lighting to individual preferences or specific application needs. For example, the user can set the LED lighting fixture to follow the sun’s natural east-to-west trajectory throughout the day or choose from standard presets (i.e., dawn, morning, midday, afternoon and evening). The effects of light on human biology and psychology are well-known. Certain studies suggest that natural lighting leads to happier workers, which tends to reduce illness and absenteeism and, because improved lighting yields increased productivity, better relationships, service and satisfaction and higher profits. So, besides striking a balance of task and general lighting, to overcome a lack of natural light in a given space — thus maximizing the impact of natural lighting on human biology — today’s lighting designers install LED color tuning systems. Always look for design that primarily accounts for human nature.

What’s the best lighting fixture for reading?

Task lighting, such as a directional desk or floor lamp, is ideal for reading. In commercial applications, general lighting can be sufficient if the needed footcandles (fc) of lighting for the type of activity i.e., reading, is correctly determined by the project designer and end user (read our footcandle guide for details). Figuring appropriate light levels for the uniformed workspace, according to the guide, means extending lighting power density (LPD) values from lighting a public area using 2 fc to 5 fc, to lighting visual task areas of extremely low contrast and small size using 1,000 fc to 2,000 fc.

What’s the best product for lighting the conference table or area?

The standard approach among designers for conference room lighting is general lighting combined with accent lighting. An architectural pendant may, for instance, be used over a table, with wall sconces and general lighting, such as can lights or troffers, also providing surrounding illumination.

Commercial Kitchen Lighting Q & A

What is a commercial kitchen?

A commercial kitchen is any non-residential kitchen, i.e., a restaurant, hotel or cafe. A commercial kitchen can sometimes refer to the type of equipment used in the kitchen, such as commercial deep fryers and gas ranges. Commercial kitchens are subject to government agency inspection of food, fire and health regulatory compliance.

What is an industrial kitchen?

An industrial kitchen is a commercial kitchen operating at a high output. Industrial kitchens are often contract kitchens that cook, prepare and package food for multiple local markets, stores and bakeries. Commercial kitchen lighting refers to the same lighting used in an industrial kitchen and food processing facilities.

What are the regulations covering commercial and industrial kitchen lighting?

It depends. Government regulations are constantly changing, often escalating. Lighting for commercial kitchens should generally be shatterproof, enclosed and gasketed, and, according to regulatory terms, NSF-rated, splash zone certified, and wet-location rated.

What are “ghost” or cloud kitchens?

These are terms denoting a trend initiated by the success of food delivery apps such as Postmates. These terms describe a category of delivery-only restaurants, virtual or shadow kitchens or commissary kitchens that prepare or cook specific for food delivery. Simply put, “ghost” kitchens are virtual kitchens, functioning as restaurants without a dining space, allowing the operator to focus exclusively on delivery orders. Examples include applications such as Postmates, GrubHub, Doordash, and Uber Eats.

Is lighting for “ghost” and cloud kitchens subject to the same government regulations as restaurant kitchens?

Yes. All lighting in commercial food preparation space must comply with government controls, which vary according to federal, state and local government regulations.

What is an NSF rating for lighting?

NSF stands for National Sanitation Foundation. The mission statement of the NSF is to protect food, water, consumer products and the environment by establishing public health standards and certifications as an independent, accredited organization. NSF claims to test, audit and certify products and systems as well as provide education and risk management.

What is Splash Zone Certified?

Splash Zone Certification refers to food-grade lighting products subject to splash, spillage or other food soiling during operation.

What is IP69K?

An IP69K rating indicates a product provides protection against an ingression of unwanted accumulations of dust and high-temperature, high-pressure water. The rating assures that the product meets with the certification standard that’s ideal for using the lighting fixture in conditions for which equipment must be properly sanitized. In certain industries, such as food processing, in which hygiene and cleanliness is paramount, the equipment must be able to withstand rigorous high-pressure, high-temperature washdown procedures. In some industries in which accumulated dirt and dust can become a problem, it is necessary to ensure that dirt and dust do not penetrate the product casing, which could cause the product to fail. The IP69K rating is the highest available protection.