Three Phase Electrical Wiring Installation in Home - NEC In this tutorial, We assume that we will only connect single phase load (Light points, fans, TV, Power Socket, AC etc.) in this three phase electrical wiring installation. In other words, we will not power up 3 phase motors because in our homes, we haven’t that kind of (three phase) loads. 3 Phase Wiring Diagram For House - bookingritzcarlton So as to use the electricity in our homes, a suitable wiring is needed. Your present wiring can deal with the three-phase connection and there isn’t any need to spend on altering the wires. Depending on the place you live, the branch circuit wiring in your house will be made out of individual conductors run  Three Phase Wiring - Electronics Hub Proper care should be taken while connecting three phase wires to the motor because the direction of rotation can be reversed simply by reversing any of the two wires of three phase system. The wiring diagram for connecting thee phase motor to the supply along with control wiring is shown in figure below.