Work Horse Fluorescent In-Fixture Electronic Ballasts offer Solid-State Electronics with a high power factor. These Ballasts have small case size are lightweight, versatile and energy saving. Meets ANSI C82.11-1993. UL & cUL listed Type 1 or Type 2. Minimum Operating Temp -20° F (-30° C). Maximum Case Temp 158° (70° C). Instant Start Ballast.