Terms, Abbreviations and Acronyms
An explanation of some of the terms used on this site and in Security / Electrical
General
IP Rating Ingress Protection Rating
Li-Ion Lithium Ion
CW Cool White
WW Warm White
PSU Power Supply Unit
RGB Red, Green and Blue
General Lighting
LED Light Emitting Diode
OLED Organic Light Emitting Diode
CRI Colour Rendering Index
LUX Lumens per square Meter
Lm or Lms Lumens
CCT Correlated Colour Temperature
K (in reference to lighting) Kelvin
MW or MWS Microwave Sensor
HO High Output
PC Photocell
DALI Digitally Addressable Lighting Interface
Lighting Types
BC Bayonet Cap
ES Edison Screw
MH Metal Halide
HPS High Pressure Sodium
LPS Low Pressure Sodium
HID High Intensity Discharge
CCFL Cold Cathode Fluorescent Lamp
CFL Compact Fluorescent Lamp
FL Fluorescent
MR Multifaceted Reflector
PAR Parabolic Aluminised Reflector
Electrical
W Watt
kW Kilowatt
kWh Kilowatt Hour
mW Megawatt
EM Electromagnetic
Security
G2 Grade 2
G3 Grade 3
IR Infrared
PIR Passive Infra-red
DT Dual Technology
TD Twin Dual
PW Petwise / Pet Immune
QD Quad Element
AM Antimasking
RF Radio Frequency
EOL End of Line (wiring variant)
Colour Abbreviations
AB Antique Brass
MW Matt White
BS Brushed Steel
PB Polished Brass
SC Satin Chrome
SN Satin Nickel
PC Polished Chrome
SS or SST Stainless Steel
