A coding method and apparatus for linking electrical appliances for control and status reporting by arbitrarily appending the appliances remote control protocol with the premise's room/zone code for identifying the appliance location and ID-code to operate on the basis of the appliance type and function, sub header code define the command nature, a blank header identifies the signal and a checksum trailer ends the five byte command for operating a range of appliances, lights and LED illuminators, locally and in the different rooms, bathrooms, kitchen and laundry including provision for extending the commands when needed. Current sensors for power outlets and power cables linked via lightguides or fiber optic use same codes for reporting statuses of and current consumption by the appliances and lights to the video interphone or the shopping terminal. LED bulbs are coded through an optical transceiver accessed through the rear of the bulb socket.