NEMA’s T5 lamp index increased for the third consecutive quarter, registering a reading of 164.5 during 4Q 2010. Shipments of T5 lamps showed robust growth for the calendar year by advancing nearly 31% over 2009. T8 lamp shipments posted an annual increase of 6.7% despite a 2.2% dip during the fourth quarter. The T12 lamp [...]




