NEMA’s Lighting Systems Index gained traction during 2014Q4, increasing by 1.8 percent compared to the previous quarter. The index increased 4.7 percent on a year-over-year basis. Index components for emergency lighting, fixtures and miniature lamps posted gains, while ballasts and large lamps retreated q/q. Overall performance during calendar year 2013 placed the index nearly 17 percent above the depressed level of the Great Recession during 2009.