A = consistent, good-quality patient-oriented evidence; B = inconsistent or limited-quality patient-oriented evidence; C = consensus, disease-oriented evidence, usual practice, expert opinion, or case series.
An LED driver is the power supply for an LED system, much like a ballast is to a fluorescent or HID lighting system, says Al Marble, manager - sales & market development for Philips-Advance Transformer.
Driver. DRIVER. One employed in conducting a coach, carriage, wagon, or other vehicle, with horses, mules, or other animals. 2. Frequent accidents occur in consequence of the neglect or want of skill of drivers of public stage coaches, for which the employers are responsible. 3.