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| BOMBA Approved | Glossary of Terms on Lighting |
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Elite - The Most Reliable & Advanced Emergency Light... Ampere (amp) Unit to express the quantity flow of electricity. Ballast Auxiliary unit used with HID lamps to provide the power to start the lamp and regulate the voltage, current & waveform while it is in use.Candela The basic unit of measurement of luminous intensity from a light source in a specific direction. Circuit Breaker A switching device that can be manually operated that automatically opens (switches off) when more than the rated current passes through. Generally rated in amps.Color Temperature An expression of light source color or whiteness, stated in degrees Kelvin. Warmer (more yellow) light has a lower color temperature and cooler light (more blue) has a higher color temperature. Conductor A metallic material that has low resistance to electrical flow such as copper.Efficiency A measurement of how many lumens a lamp produces per watt consumed. Floodlighting Indiscriminate lighting of an area usually associated with security or utility functions. Fluorescent A low-pressure lamp that has a phosphor coating that transforms ultraviolet energy into light.Gauge A measurement of electrical conductor (wire or cable) size. Ground A non-current carrying metallic connection to earth. All 240V circuits must be grounded. The green wire on a 240V circuit is typically the ground. Ground Fault Interrupter (GFI) A device that detects abnormal current patterns and shuts off power.High Intensity Discharge (HID) A lamp that produces light when electricity excites different gases within a pressurized glass enclosure. HID lamps include mercury vapor, metal halide and high-pressure sodium types. High Pressure Sodium Lamp An HID lamp that produces light from sodium vapor, producing a distinctly yellowish color. Used widely as streetlights. Iluminance The amount of light striking a surface or object, measured in lumens or footcandles.Incandescent Lamp A lamp that produces light when electricity heats a tungsten metal filament. Line Voltage Generally means 240 volts. Low Pressure Sodium Lamp An HID lamp that produces light from sodium vapor, producing a distinctly pinkish color. Used for streetlights and security.Low-voltage Lighting A general term given to a system that is powered by a step-down transformer that reduces a 240v power input to a 12v output. Lumen The unit of measurement for the amount of light emitted by a lamp. One lumen per square foot is one footcandle.Luminaire A light fitting which distribute light given by a lamp. Mercury Vapor Lamp An HID lamp that produces light by radiation from mercury vapor. Mercury lamps have a distinct blue-green color.Metal Halide Lamps An HID lamp that produces light by radiation from metallic vapors. This type of HID lamp has the most neutral color effect. Neutral A conductor that is common to other circuits and carries no current.Ohm A measurement of electrical resistance that causes voltage loss in circuits. PAR Lamp Parabolic aluminized reflector lamp or sealed beam lamp.Quality of Lighting A description of the aesthetic appearance of an illuminated environment indicating the use and control of light sources. Reflectance A measure of the amount of light that strikes a surface that is reflected.Resistance A measurement of the restriction of the free flow of electrons in electrical conductors. Measured in ohms. Short Circuit An unwanted flow of current between two conductors causing the circuit breaker to trip.Transformer An electrical device used to step down voltage. Tungsten-Halogen Lamp A type of incandescent lamp containing a tungsten filament within a pressurized quartz enclosure, which is filled with halogen gas. The halogen gas recycles the burned off tungsten particles back onto the filament thereby dramatically extending the lamp life.Volt (V) Unit to describe the electrical force that causes current to flow. Volt-Ampere (VA) A measurement of consumption. Volts x Amps = Watts.Watt (W) Unit of electrical consumption. Bomba approved Emergency Lighting and Keluar (Exit) Sign Manufacturer, Malaysia
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Elite range of products: Emergency
Lighting
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