Electronic compact fluorescent ballast for (1) cfm42w/gx24q or (1) cftr32w/gx24q or (2/1) cfq26w/gx24q or (2/1)cftr26w/gx24q or (1) cfs28w/gr10q (2D) 4-pin lamps or (1) fc9t5-22w or (1) fc12t5-40w or (1) cfs38w/gr10q or (1) cfm36w/2G10 or (2/1) ft24w/2G11, line voltage: 120Vac to 277Vac, ±10%, 50-60Hz, programmed rapid start, high power factor, series lamp connection.