Single Phase Motor Wiring With Contactor Diagram The above diagram is a complete method of single phase motor wiring with circuit breaker and contactor. In the above one phase motor wiring i first connect a 2 pole circuit breaker and after that i connect the supply to motor starter and then i do cont actor coil wiring with Normally Close push button switch and Normally Open push button switch and in last i do connection between capacitor Three Phase Motor Power & Control Wiring Diagrams On the manual mode, motor A and motor B can be controlled separately by selector switch. On the automatic mode, motor A has to run for 3 minute then motor B comes on also. Can you help me with the controlled diagram Single Phase Motor Wiring Diagram With Capacitor Start Single phase motor wiring diagram with capacitor start capacitor run. L1 and l2 are designated as the two connection points representing the two electricity flow path inherent with single phase circuits where a single phase supply voltage is fed to the motors internal circuit.