On March 31 2010, Underwriters Laboratories Inc. (UL), a world leader in product safety testing and certification services,
announced that it has entered into a strategic partnership with Luminaire Testing Laboratory, Inc. (LTL),
an independent source of photometric test reports for the lighting industry. The partnership positions
UL as the first NRTL (Nationally Recognized Testing Laboratory) to provide Energy Star testing of LED products.
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