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 |