In response to the load control signal, {HEAD ~ the controller} interrupts supply of {TAIL ~ power} from the power system to the first load, thereby reducing demand on the power system 
In response to the load control signal , { HEAD ~ the controller } interrupts supply of { TAIL ~ power } from the power system to the first load , thereby reducing demand on the power system
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH