NEMA’s Lighting Systems Shipments Index, a measure of demand for lighting equipment, decreased 2.6% quarter-to-quarter while posting a 0.1% increase year-over-year during 2015Q4. Fixtures, emergency lighting, and miniature lamps, components of the index, gained ground on a year-over-year basis, while ballasts and large lamps abd components recorded year-over-year declines.
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