![]() ![]() The added benefit with halogen lamps is they are much more efficient and last longer than standard incandescents. Halogen - these lamps generate light in much the same way as incandescent types. They are, however, the least expensive bulbs you can get. This makes incandescent lamps the most inefficient of all light sources. Only a fraction of the watts used in these lamps becomes light, and most of it becomes wasted heat. Incandescent - these lamps create an electrical pathway through a heated filament which creates light. ![]() Electroluminescence produces illumination via an electric current going through an element.Ĭommon Lamp Types Found in Battery Backup Lighting.Radioluminescence produces light due to ionizing radiation bombardment.Photoluminescence creates light when hit with an electron.Fluorescence produces light via emitted photon energy.Incandescence produces light via a heated element.The Science of Illumination All of our lights and signs generate luminance through electrical energy, heat or sub-atomic reactions: All fire and building codes in the United States require egress fixtures to be internally or externally illuminated for at least 90 minutes. Every emergency light and exit sign we carry shares one key feature: they need to light up somehow. ![]()
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