Glossary

Our glossary is designed to explain and illuminate some of the terminology you will find on our website. To browse the glossary choose a letter from A to Z from the menu on the left, or browse the selection of popular terms and their definitions below.

ANTI-PANIC (OPEN) AREA LIGHTING
BALLAST
BALLAST LUMEN FACTOR
CANDELA
CENTRAL BATTERY SYSTEM
COEFFICIENT OF PERFORMANCE
COLOUR RENDERING INDEX (CRI)
COLOUR TEMPERATURE
COMBINED EMERGENCY LUMINAIRE
COMPACT FLUORESCENT
DAYLIGHT HARVESTING
DESIGN VOLTAGE
DISABILITY GLARE
DISCOMFORT GLARE
DOWNWARD LIGHT OUTPUT RATIO (DLOR)
EMERGENCY EXIT
EMERGENCY LIGHTING
ESCAPE ROUTE LIGHTING
F MARK
FINAL EXIT
FLUORESCENT LAMP
GLARE
HID
HIGH FREQUENCY (HF)
ILLUMINANCE
INGRESS PROTECTION (IP) NUMBER
ISOLUX DIAGRAM
K FACTOR
LAMP MAINTENANCE FACTOR (LLMF)
LIGHT OUTPUT RATIO (LOR)
LOW-VOLTAGE LAMP
LUMEN
LUMINAIRE
LUMINAIRE EFFICIENCY
LUMINANCE
LUX (LX)
MAINTAINED ILLUMINANCE
PHOTOCELL
PHOTOMETRIC REPORT
POWER FACTOR
RETROFIT
SWITCH START
TUNGSTEN HALOGEN LAMP
VANDAL-RESISTANT
VOLT
VOLTAGE
WATT (W)
WORKING PLANE

A


ESTA Logo
Llumarlite Logo
Llumarlite Logo
Llumarlite Logo
Llumarlite Logo