LIGHTING GLOSSARY
Acronyms, abbreviations, and technical terms used throughout this catalog are defined below.
ACRONYMS AND ABBREVIATIONS
1X4 2X2 2X4
One Foot by Four Feet in Dimension (Nominal) Two Feet by Two Feet in Dimension (Nominal) Two Feet by Four Feet in Dimension (Nominal)
BF
Ballast Factor
CFL CRI
Compact Fluorescent Lamp Color Rendering Index DesignLights Consortium
DLC®
HID
High-Intensity Discharge. Includes: HPS, MH, CMH, PSMH, and Mercury Vapor
HO
High Output
HPS
High-Pressure Sodium
IESNA
Illuminating Engineering Society of North America
kW
Kilowatt(s)
kWh LED
Kilowatt-hour(s)
Light-Emitting Diode
lm
Lumen(s)
lm/W
Lumens Per Watt
LPD MH
Lighting Power Density
Metal Halide Mercury Vapor
MV
NLC QPL SDS SSL
Networked Lighting Controls Qualified Products List Supplemental Data Sheet
Solid-State Lighting
5 / 8 "-Diameter Tubular Lamp 1"-Diameter Tubular Lamp 1 ½"-Diameter Tubular Lamp
T5 T8
T12 TRT
DLC's Technical Requirements Table
W
Watt(s)
47
Powered by FlippingBook