Current's Type A+B Tubes offer the flexibility to be used in either Type A (ballast driven) or Type
B (ballast bypass) applications. A Dual Mode Type A+B Tube can run off a ballast initially, and can run off mains voltage should the ballast fail, or if it is found to be incompatible. To use Type A+B lamps as Type B, the fixture must be re-wired
GE 93138429 LED Tube Type A + B Dual Mode LED Tube, 14 watts, 1700 lumens, 4000K,