Powered by high-quality constant-current power LED drivers which are rated for 50 to 60Hz at 120-277V input, produce less than 20% THD, and have a power factor of .90 to 1.00 By downloading any ...
The study compared the costs of six replacement options (one fluorescent and five LED) for linear recessed lighting systems and found that LED products were 18%–44% more efficient than T8 ...