Compcat Fluorescent Hardwire Ballast Features:
- Auto Restart After Hot Relamp
- Deactive Lamp Protection Circuit
- Flicker Free Operation
- High Power Factor
- Low THD
- 100% Factory Tested
- High Reliability
- No Audible Noise
- True Preheat Starting
- No Starting Aid Required
- Energy Efficient
- High Frequency Operation
- Solid State
- Moisture and Shock Resistant
- No PCBs
http://www.hatchlighting.com/products/fluorescent-ballasts-and-lamps/legacy-products-3/38-watt-compact-fluorescent-ballast-6.html ; http://www.hatchlighting.com/media/productPDF/Hatch_FR_L_and_LH_10_38_CFL_30.pdf