NORTHBROOK, ILL., JUNE 14, 2013 — /PRNewswire/ — UL (Underwriters Laboratories), a global safety science leader, announced today it has been named an authorized testing laboratory for three new Zhaga Books; Zhaga Interface Specification Book 4: High-intensity LED light engines, Zhaga Interface Specification Book 7: Indoor light engines with separate electronic control gear and Zhaga Interface Specification Book 8: Socketable LED light engine with integrated control gear (85 mm base).
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