This means that any recessed lights installed in those areas also need to be air-tight. This requirement is known as Chicago Plenum which requires the housing to be airtight in addition to requiring all wiring to be sealed off and gasketed from the plenum air space.
Is Chicago plenum fire rated?
Gaskets and sealing materials shall be temperature rated for the application and shall be rated 94hb minimum or shall be subjected to the Horizontal Burning Flame Test, per UL 94. Also, gaskets may be rated with a HBF, HF-1, or HF-2, or may be subjected to the Horizontal Burn Foam Material Test, per UL 94.
What is a plenum rated light fixture?
Plenum access lighting refers to fixtures that create an access panel into the ceiling, allowing servicing personnel access wherever a light fixture is installed. It simplifies ceiling layout, prevents disruption caused by removing a fixture, and permits a quick return to the full function of your cleanroom.
What is the difference between IC and non IC recessed lights?
IC rated lights provide the proper housing for use with blown in insulation commonly seen in attics today. Non IC rated fixtures are built with only a single can or housing and holes in the housing for ventilation. These lights are great for areas where insulation isn’t necessary.
What are the round lights in the ceiling called?
Recessed lighting is mounted within the ceiling so that the fixture does not hang down into the room. Sometimes called pot lighting, recessed fixtures are typically small and round.
What is a Chicago plenum ceiling?
This means that any recessed lights installed in those areas also need to be air-tight. This requirement is known as Chicago Plenum which requires the housing to be airtight in addition to requiring all wiring to be sealed off and gasketed from the plenum air space.
What is recessed luminaire?
Recessed luminaires direct light downward, or downward and toward a wall. The light distribution pattern can be narrow or broad, intense or diffuse, and provide ambient light, wall washing, or accent lighting. Recessed luminaires include troffers and “luminous ceiling,” downlight, wall wash, and accent types.
What is plenum vs non plenum?
Plenum-rated cable has been manufactured to withstand higher temperatures in the event of a fire and does not cause the same level of smoke or toxicity when burning. Non-plenum does not have these characteristics, and as a result costs much less (usually half as much).
What makes a ceiling plenum rated?
A plenum ceiling is one that uses the space between the top of the suspended ceiling and the bottom of the floor above to handle air for ventilation. All suspended ceilings are not plenums; some may use HVAC ductwork to move air to returns and diffusers located in the ceiling tiles (a ‘dead’ ceiling).
What is Troffer lighting?
A troffer is a rectangular or square light fixture that typically fits into a modular dropped ceiling grid, often described as recessed.” Historically, troffer fixtures have been designed to accommodate standard fluorescent lamps like T12 or T8 bulbs. However, now troffer lighting is available in LED.
How can I tell if my recessed lights are IC rated?
Look into the inner bulb chamber of the fixture to find the Underwriters Laboratory rating sticker, which is typically on the metal housing near the opening. This sticker will define the fixture’s rating (IC or NON-IC) and the approved maximum bulb wattage.
Are LED recessed lights IC rated?
Even though they run cooler than other lightbulbs, LED recessed lights do still need to be IC rated. While LED bulbs produce significantly less heat than incandescent ones, they still do produce heat.Just like any other sort of recessed lighting bulb, non-IC rated LED recessed lights can lead to fires.
What makes a recessed light IC rated?
IC rated means that it’s safe to have insulation directly in contact with the light, but it’s not synonymous with airtight. You can usually tell if a recessed light is airtight just by looking inside it; if there are a bunch of holes inside the housing, it probably isn’t airtight.
What is the name of a light that goes over a mirror and your vanity in your bathroom?
Should Vanity Lights Hang Over the Mirror? Because they’re intended primarily as task lighting, vanity lights should be positioned optimally for illuminating the head and face evenly, and eliminating any shadows that might impede tasks like shaving or makeup application.
What are pop lights?
POP is a fully customizable LED light bulb, capable of producing millions of colors. When someone calls your Purple number, Purple sends a signal to your POP to flash so you know you have a call. Set your own mood by choosing your preferred color as a room light.
What are fancy lights called?
chandelier
A chandelier (/???nd??l??r/; also known as girandole, candelabra lamp, or least commonly suspended lights) is a branched ornamental light fixture designed to be mounted on ceilings or walls.
What is totally enclosed luminaires?
Enclosed fixtures are lighting fixtures which keep a tight seal around the light source. This could be for many reasons, such as keeping water out or simply to protect the circuitry underneath.
What is the difference between can lights and recessed lights?
Recessed lights, also known as can lights, are described as metal light housings installed in the ceiling for a sleek look that gives you back your ceiling.
What is sunken ceiling?
A recessed ceiling is a type of home ceiling design used to add elegance and style to a room. In this type of design, the center of the ceiling appears to be recessed above the perimeter of the ceiling by anywhere from a few inches to a foot or more.
What is considered plenum?
In building construction Plenum is a separate space provided for air circulation for heating, ventilation, and air-conditioning. It is commonly found in the space between the structural ceiling and a drop-down ceiling or under a raised floor.
Why would you use plenum cable?
Plenum rated cable has a special insulation that has smoke and low flame characteristics. It is mandated to be installed in any air handling space. For instance, most large office buildings use the ceiling to return air to the AC unit.At that point, the use of plenum cables ensures safety.
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