Fulham RHA-UNV-242-C Racehorse CFL Ballast 120V-277v, &lt;10% athd, high power factor End of life (eol) protection, operate 1 or 2 lamps, twin, triple, quad, double quad 9-70W UL, cULus, 90c max operating Temp., -30c min. Start Temp C = compact case RHA-UNV-242-C replaces RH4-UNV-242-C