A consumer load receiving {HEAD ~ power} from {TAIL ~ a power system} is divided into a first load to which power may be interrupted if necessary to reduce demand on the power system, and a second load to which power supply may not be interrupted to reduce demand on the power system 
A consumer load receiving { HEAD ~ power } from { TAIL ~ a power system } is divided into a first load to which power may be interrupted if necessary to reduce demand on the power system , and a second load to which power supply may not be interrupted to reduce demand on the power system
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH