Run up to four (4) lights at 240 volts, maximum 4000 watts. Removable rear access panel makes controller easy to wire to existing power system. Convenient front panel On/Off switch. ETL listed to UL 508 STD for commercial use. Four (4) NEMA 6-15 outlets for ballasts. RoHS compliant for environmental friendliness. The HPLC-4T controller is ETL listed in the USA and Canada, and RoHS compliant. Features durable construction built to withstand high impacts and provide years of reliable performance. Integrated 24 hour timer for easy setup and operation. 240 Volts/20 Amps/60 Hz.