Intermatic HB113 120 Volt Heavy Duty Plug-in Air Conditioner and Appliance Timer This heavy-duty, grounded, plug-in outlet timer by Intermatic automatically controls 120 Volt air conditioners, heaters, heavy-duty appliances and lamps Easily program 2 ON/OFF settings per day with movable trippers Provides a three-prong, grounded plug Suitable for loads of up to 2500 Watts, or a 1HP motor This product requires a 20 Amp outlet