Single Pole Circuit Breaker Wiring Diagram. Most of the light fixtures and ordinary plug in outlets in your home are served by single pole 120 volt breakers while heavy appliances and utilities such as clothes dryers whole house central air conditioning and electric. A neutral wire is not used in this circuit.
In distribution board we get phase wire supply from the main circuit breaker and connect to all single pole mcb circuit breakers. Appliances circuits they re used for. A 120 volt circuit has only one hot wire connected to the breaker plus a neutral wire connected to the neutral bus bar in the service panel.
When there is an overload in a single pole breaker s circuit only that particular breaker trips.
As shown in the fig the built in white wire on the back side of arc fault circuit interrupter circuit breaker has been directly connected to the neutral busbar in the main board. Here i shown the single pole mcb wiring connection diagram. This video will show a diy kind of person how to wire and install a single pole circuit breaker. A 120 volt circuit has only one hot wire connected to the breaker plus a neutral wire connected to the neutral bus bar in the service panel.
