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GLOSSARY
Watt:
Lumen:
Kelvin:
RGB:
Color
Temperature:
Nanometer:
(nm)
IP Rating:
SMD:
Luminous
Efficacy:
The unit of measure for the electricity consumed by a light fixture.
Abbreviated as “W”.
The unit of measure for the brightness of a light, representing the amount of light
emitted. Abbreviated as “lm”.
The unit of measure describing the color temperature of a white light, that is, where
the hue of a light falls on the color spectrum. A higher number indicates a cooler light
closer to blue, while a low number indicates a warmer, or more yellow, temperature.
“Red Green Blue”. Full color LED fixtures use combinations of these three basic
colors to produce up to a million colors in Spectrum fixtures.
A term describing where the hue of a white light falls on the color spectrum. If a light
is on the yellow end, it might be called “warm white,” or “cool white” if it’s more blue.
The unit of measure for the color temperature of white light is the “kelvin”.
The unit of measure for where colors other than white fall on the spectrum.
Abbreviated as “nm”.
“Ingress Protection”. An IP rating has two numbers: the first stands for the protection
against solid objects, and ranges from 0 to 6. The second number for, protection
against liquid, ranges from 0 to 9. The highest IP rating is IP69, and it tells you that
the protection against solid objects is a 6, and the protection against liquid is an 9.
“Surface mount device”. A type of LED bulb placement.
Describes how many lumens of brightness is put out for each Watt of power drawn.
In our Fixture Comparison Chart (p. 86), this is described as “Lumens per Watt.”
CRI:
RoHS:
ETL:
UL:
RU:
CE:
“Color rendering index”. A numerical measure of a light source’s ability to reproduce
the colors of various objects faithfully in comparison with a natural light source.
“Restriction of Hazardous Materials,” a certification that ensures that no toxic materials
were used in the production of Diode’s fixtures.
“Edison Testing Laboratory”. The ETL mark shows that a product meets the minimum
requirements of widely-accepted product safety standards, determined through the
independent testing of a Nationally Recognized Testing Laboratory.
“Underwriters’ Laboratory”. The phrase “UL Listed” denotes that a manufacturer has
produced a product that complies with UL requirements with respect to reasonably
foreseeable risks associated with the product.
Signifies that a product features a “UL Recognized Component”.
“European Community”. Certifies that a product has met European Union consumer
safety, health, or environmental requirements.
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