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Lighting Application and Design
Environment and Energy Efficiency
Evaluation and Testing
Regulation and Policy
Guides and Metrics
What is task lighting?
How much light is needed in an office?
Can task lighting provide the necessary illuminance more efficiently than general lighting?
How can visibility problems with task lighting be avoided?
What types of under-shelf luminaires are available?
When should portable task lights be used?
What types of portable task lights are available?
How can task lighting maximize energy savings?
In addition to energy efficiency, what other factors should be considered when selecting task lights?
What is a building automation system?
For which applications are LEDs expected to be energy-efficient alternatives?
What is a ballast?
What is an adaptable ballast?
How do adaptable ballasts work?
What adaptable ballast products are available on the market?
Why should I use adaptable ballasts?
What are the disadvantages of adaptable ballasts?
How well do adaptable ballasts perform?
What are T5 lamps?
What does T5 mean?
Are T5 lamps the same length as T8 lamps?
What T5 fluorescent lamps are available?
What are T5 HO lamps?
Can a T5 lamp replace a T12 or T8 lamp?
Do T5 lamps need special ballasts?
Is it possible to dim T5 lamps?
Is there any difference in wiring between T5 and T8 ballasts?
Does a T5 lamp produce as much light as a T8 lamp?
How long do T5 lamps last before they burn out?
Do T5 lamps have better lumen maintenance than T8 or T12 lamps?
Do T5 luminaires perform better than T8 luminaires?
How does temperature affect the performance of a T5 lamp?
How do T5 lamps perform in open and closed luminaires?
How does the difference in optimal temperature affect T5 luminaire photometry?
Do T5 lamps allow for more optical efficiency of luminaires?
Does a two-lamp luminaire using T5 HO lamps produce as much light as a three-lamp luminaire using T8 lamps?
Are T5 lamps good for the environment?
Do T5 lamps start more slowly than T8 lamps?
What are the common trade names for T5 lamps?
Are T5 lamps readily available to consumers?
What is the economic benefit of T5 systems?
What are good applications for T5 lamps?
How can T5 lamps be used for indirect lighting?
How can T5 lamps be used with direct/indirect pendant luminaires?
How can T5 lamps be used with recessed direct/indirect luminaires?
How can T5 lamps be used with direct luminaires for high-ceiling applications?
Can T5 lamps and luminaires be used for wall washing?
What are the advantages and disadvantages of T5 systems versus T8 systems in lighting design?
How do luminaire manufacturers prevent glare from T5 lamps?
Should fluorescent lighting systems be avoided in certain installations?
How did NLPIP quantify temperature effects of 2' x 4' fluorescent luminaires?
How can a specifier account for thermal effects of 2' x 4' fluorescent luminaires?
What other data are available on thermal effects of 2' x 4' fluorescent luminaires?
Does the Energy Policy Act address luminaire efficiency?
What is direct digital control?
How does a building automation system control lighting?
What wired and wireless networking options are available for building automation systems?
How much do direct digital lighting control systems cost?
What are BACnet, LonWorks, and CEBus?
What other factors should be considered when choosing a direct digital control protocol?
What is polarized light?
What are multilayer polarizer panels?
How do multilayer polarizers work?
To what degree is the illumination polarized with multilayer polarizer panels?
How efficient are luminaires equipped with multilayer polarizer panels?
Can multilayer polarizers be used at lower illuminances without changing visual performance?
Under what conditions will vertically polarized light make a difference?
Can multilayer polarizer panels be used to save energy?
How can a specifier determine if the lighting system is causing EMI?
How can I reduce electromagnetic interference (EMI) from fluorescent lighting?
How does temperature affect the performance of a fluorescent luminaire?
Where should specifiers consider using T5FT lamps?
What are T10 and T9 lamps?
How do the active power, light output, and system efficacy of T10 and T9 lamps compare with those of T12 andT8 lamps?
What types of ballasts do T10 and T9 lamps require?
How long do T10 and T9 lamps last?
What are the color characteristics of T10 and T9 lamps?
How much do T10 and T9 lamps cost?
When should specifiers consider using T10 and T9 lamps?
What is the relationship between color rendering and light levels?
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