Glossary

 

Symbol  Description
ABS
Acrylonitrile Butadiene Styrene, Durable Plastic
B22
Bayonet 22mm Double Ended
CE
Conformité Européenne (or European Conformity)
CFL
Compact Fluorescent Light
CRI
Color Rendering Index
DxH
Diameter by Height (Dimensions)
E14
Edison Screw 14mm Diameter
E27
Edison Screw 27mm Diameter
Ft
Foot (approx. 300mm)
G5
Bi-pin 5mm Pin to Pin (T4 and T5)
G13
Bi-pin 13mm Pin to Pin (T8 and T12)
GU5.3
Bi-pin 5.3mm Pin to Pin (also known as MR16)
GU10
Bi-pin Twist-lock 10mm Pin to Pin
HE
High Efficiency, Refers to T5 Energy-Efficient Tubes
HID
High Intensity Discharge
HO
High Output, Refers to T5 High Light Performance Tubes
HPS
High Pressure Sodium
IDM
Integrated Demand Management, Eskom Division
IEC
International Electrotechnical Commission
IP
Ingress Protection Rating
K
Kelvin, Unit of Colour Temperature
LBR
Low Brightness Louvre
LED
Light Emitting Diode
lm
Lumen, Total Measure of Perceptible Light Emitted
LxWxH
Length by Width by Height (Dimensions)
MH
Metal Halide
MV
Mercury Vapor
NRCS
National Regulator for Compulsory Specifications
PAR
Parabolic Aluminized Reflector Light
PC
Polycarbonate, Durable Plastic
PF
Power Factor
T5
Tubular Fluorescent, Diameter 5/8 = 0.625 inches
T8
Tubular Fluorescent, Diameter 8/8 = 1.000 inches
T12
Tubular Fluorescent, Diameter 12/8 = 1.500 inches
Ta
Testing Average
THD
Total Harmonic Distortion
V
Voltage
W
Wattage