... , 240v , 277v, and 347v 8) Electronic ballast provide constant light output for mains voltage of 156-256VAC9) EOL ( end of ... Solid mercury, 38% less glass compared to T8. 15) Improved light quality, no stroboscopic flickering, which usually causes headache and irritated eyes ... /T5 adapter212230.026Electricity saving quantity(KW/h)0.019 High quality T5 adapter energy saving electronic fluorescent lamp