Do not attempt to test the breakers without disconnecting the wiring. Failure to
disconnect the wires from the circuit breaker may give a false reading.
3. Tag and remove the wires from the circuit breaker to be replaced.
4. Remove the screws securing the breaker to the bus (2), and remove the breaker.
5. Install the new breaker, and secure it with screws to the bus bar.
6. Reconnect wires to the new breaker.
7. Replace the circuit breaker panel plates.