Replacing A Breaker. Now that the cover is off locate the breaker to be replaced. Set the tester to ac voltage.
Remove the metal frame around the circuit breakers by loosening the screws on the electrical panel. Turn off the breaker by. The truth is once you disconnect or turn off the power to the panel it is well.
Locate the circuit breaker to be tested and or replaced on the exposed panel.
Afterward they will shut off the power to the breaker box and install the appropriate breaker. Turn off all power and all individual breakers. The truth is once you disconnect or turn off the power to the panel it is well. Warning remove the breaker panel cover plate.
