Joint Box or Tee System → In joint this method of wiring. Connection to appliances are made through joints. These joints are made in joint boxes by means of suitable connectors or joines cutouts this method of wiring doesn’t consume too much cable size
This method of wiring is universally use in wiring. Lamps are there appliances are connected so that each of the appliances can be controlled individually. When a connection is required at a light or switch the feed conductor is loop in by bringing it directly to the terminal and then carrying it forward again to the next point to be fed.