Recessed Lighting Buying Guide

3
6" 5" 4"
New Construction IC-Rated / Air Tight
P87-AT
P87-ATQC
P85-AT
P831-AT
Wall Wash
P187-TG
Most commonly
used size, used
for all lighting
applications.
P185-TG
Slightly smaller
aperture and
reduced lamp
options, used for
all lighting
applications.
P832-TG
Smaller aperture.
Used mainly for
accent, task and
wall wash
applications
Step 3:
Determine Housing Type
New Construction
For use when access above and below the ceiling is
still available.
Remodel
Easily installed in existing ceilings with little or no access
above or below.
IC Rated
Required in most residential applications, can be covered
in insulation to maintain an unbroken barrier.
Non-IC
Insulation must be kept at least 3” away from all sides
of the housing.
Air Tight
Use these housings to minimize airflow between
conditioned spaces in a house or unconditioned attic
areas. These housings may be covered in insulation and
may be required to meet building energy codes.
Step 4:
Determine Housing Size
Color rendering and appearance are critical considerations in light source
selections. Correlated Color Temperature (CCT) relates to the color of light
produced by a light source, and uses the Kelvin temperature measurement scale.
Color temperatures over 5000K are called cool colors (bluish white), while lower
color temperatures (2700–3000K) are called warm colors (yellowish white
through red).
Step 5:
Choose the Right Color Temperature
2” – Smallest aperture.
Used mainly for accent, task
and wall wash applications.
Warm White
(2600K – 3200K) is the
warmest option that most
closely approximates a standard
incandescent bulb. It is most often
used in areas like living rooms.
Bright White
(3200K – 4500K) is a whiter
light than soft white and is most
often selected for kitchens and
bathrooms or work spaces.
Daylight
(4500K – 6500K) is
recommended for reading areas
or for use in craft rooms and is
a more bluish white that most
closely approximates an outdoor
overcast sky.
Color rendering index (CRI) is a measure of how
accurately an artificial light source displays colors. The
higher the CRI (80 and above), the better the artificial
light source is at rendering colors accurately.
Light Output/Lumens
Measures light output. The higher
the number, the more light is emitted.
Reported as “Total Integrated Flux (Lumens)”
on LM-79 test report.
Watts
Measures energy required to light the product.
The Lower the wattage, the less energy used.
Reported as “Input Power (Watts)” on LM-79 report.
Lumens per Watt/Ecacy
Measures eciency. The higher the number,
the more ecient the product.
Reported as “Ecacy” on LM-79 test report.
Color Rendering Index (CRI)
Measures color accuracy.
Color rendition is the eect of the lamp’s light
spectrum on the color appearance of objects.
Correlated Color
Temperature (CCT)
Measures light color.
“Cool” colors have higher Kelvin temperatures
(3600-5500 L); “warm” colors have lower color
temperatures (2700-3500 K).
IESNA LM-79-2008
Industry standardized test
procedure that measures
performance qualities of LED
luminaries and integral lamps.
It allows for a true comparison
of luminaries regardless of the
light source.
Visit www.lighting-facts.com for the Label Reference Guide.
All results are according to IESNA LM-79-2008. Approved Method
for the Electrical and Photometric Testing of Solid-State Lighting.
Lighting Facts
™
LED Product
Light Output (Lumens)
Watts
Lumens per Watt (Efcacy)
840
9
93
Color Accuracy
Color Rendering Index (CRI)
Light Color
Correlated Color Temperature (CCT)
3100 (Warm White)
Warm White Bright White Daylight
2600K 3200K 4500K 6500K