Whats the most efficient way to light a hallway in a commercial building?
You have a few options when it comes to efficiently lighting your hallway. “There isn’t one right answer,” says Jean Sundin, principal, Office for Visual Interaction Inc., New York City. But, there are helpful lighting strategies to remember. For example: Brightness on vertical surfaces makes spaces seem brighter while using less wattage. “An efficient way to provide lighting in these areas is to use a linear fluorescent cove along one side,” Sundin says. Or use a compact fluorescent downlight with a “wall washer” component. For ceiling heights of 15 feet or less, two- and three-lamp recessed T8 fixtures are common, says Eddie Hickerson, lighting control specialist, Square D/Schneider Electric, Palatine, IL. “For lighting on schedule-based control, instant-start T8 lamp/ballast systems achieve the highest efficiency.” For lighting controlled by an occupancy sensor, Hickerson says that program-start (a.k.a. program rapid-start) ballasts will maximize lamp life. If your goal is to use as
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