Reference Materials

Energy-Cost Calculator/Energy Saving Lamp Substitution Information
Calculate the savings you can achieve by changing just one light bulb! Includes a chart of lamps with substitution suggestions and annual energy cost savings.

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Lamp Facts Slide Show
View our slide show of Lamp Facts – includes basic lighting terminology and specifications, information on lamp types and how lamps produce light, relative performance of lamp types, relative light output, range of lamp wattages, range of light output, lamp efficacy, range of rated life, and bulb types.

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Facts of Lighting
Information about light sources, their average life and lumens per watt, plus some additional informational facts about lighting.

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Lighting Audits & Retrofits
Information on successful lighting upgrades, lighting surveys/audits and understanding energy consumption.

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Lighting Waste Disposal
Facts about disposal of lamps and ballasts and methods of disposal.

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Light Source & Fixture Selection
A review of the basic factors that go into specifying a light source and a fixture.

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Optical Systems/Methods of Controlling Light
A discussion of the primary methods of controlling light from a bare light source via a light fixture – reflection, transmission and refraction.

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Occupancy Sensors
Facts and figures about occupancy sensors and their components.

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Fluorescent Lamp Identification
A guide for identifying your fluorescent lamps.

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Compact Fluorescent Lamp Identification
A guide for identifying your Compact Fluorescent Lamps (CFLs).

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Fluorescent Ballasts
All fluorescent lamps require a ballast to operate – here you will find information on the different types of ballasts and how they operate.

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Lighting Metrics
Learn about lighting metrics and how they are used to understand and predict how a lighting system will operate.

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Color Metrics
We see objects only when light is reflected or emitted from them, and that is how we see color. Learn how to select the proper lamp color for your application.

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United States Energy Legislation
Laws have been passed since new technologies have made more energy-efficient choices readily available and because a reduction in national energy consumption is perceived as "in the public interest," both for the conservation of fossil fuels and to reduce air pollution. Read more about these laws and their effect on our environment.

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Useful Formulas
A variety of formulas covering electrical, economic, design, maintenance and environmental calculations.

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State Contract - DPH350
LA Lighting Baylighter DPH350 Series Fixture

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