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Topic: Lighting 
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Lighting Controls: Is Wireless the New Wave?
September 1, 2005
Commercial space in the U.S. covers 60 billion square feet with 1 billion light fixtures—most of which aren't equipped with automated lighting controls. It would be expensive to rewire those spaces for sophisticated lighting controls, but wireless systems could provide an effective solution.
Content type: Core Report, Research | Document ID: ER-05-16 | Author: Ira Krepchin
Controlling Lights the DALI Way
July 1, 2004
This report looks at the capabilities, benefits, and costs of a relatively new lighting control approach based on digitally addressable lighting interface (DALI) technology. DALI offers users the ability to tailor local lighting conditions to their individual needs.
Content type: Core Report, Research | Document ID: ER-04-08 | Author: Ira Krepchin, Kristin Kamm
Lighting Circuit Power Reducers: Are They (Cost) Effective?
July 1, 2003
Lighting circuit power reducers can deliver energy savings in the right applications and may be useful for load control, but lighting retrofits often produce greater energy savings with only slightly higher first costs. Be wary of exaggerated claims for these devices.
Content type: Core Report, Research | Document ID: ER-03-12 | Author: Ira Krepchin
New Dimming Controls: Taking It Personally
March 1, 2000
Illumination levels in commercial buildings are not ideal for workers who prefer dim overhead light to reduce computer display glare. With personal dimming systems that are either hardwired to the ballast or responsive to sensors, workers can dim overhead lights at the touch of a desktop switch.
Content type: Core Report, Research | Document ID: ER-00-6 | Author: Ira Krepchin and Jay Stein
A Brightening View of CFL Dimming
July 1, 1998
Dimmable compact fluorescent lamps (CFLs) provide lighting designers with increased flexibility as they strive to provide quality lighting systems while reducing energy use. Until recently, however, CFL dimming was an expensive proposition with only a few reliable products available.
Content type: Core Report, Research | Document ID: ER-98-3 | Author: Ira Krepchin
The Ultrawatt Lighting Controller
May 1, 1997
The Ultrawatt is a device for lighting systems that is claimed to provide energy savings, power factor correction, easy installation, and positive economics. Tests of the device show that it delivers on all of these counts, but with some potential drawbacks.
Content type: Core Report, Research | Document ID: PP-97-2 | Author: David Houghton PE
