HPS Ballast Cross Reference:
Universal Lighting Technologies Ballast, Replacement F-Can HPS Ballast Kit for 100 Watt High Pressure Sodium. This F-Can HID Ballast, Universal part number 12210239CTC (UPC 768386023982), is designed with a Circuit Type HX-HPF, for one 100 watt HPS Lamp, S54 ANSI Ballast Type, 125 Input Watts, 120/277 Input Voltage, 60 Hz.
The maximum distance this F-Can ballast can be mounted from your 100 watt high pressure sodium bulb is 10 feet. It has a sound rating of B and is UL and CSA Certified. For proper installation, insure that remote ballasts are properly vented and mounted to a heat-dissipating surface.