1. Safety First:
– Turn off all appliances and devices connected to your electrical system.
– Wear insulated gloves and goggles to protect yourself from electrical hazards.
2. Shut Off the Power:
– Locate the main circuit breaker panel and shut off the main power supply.
– Use the voltage tester to ensure there is no electrical current flowing through the panel before proceeding.
3. Remove the Panel Cover:
– Use a screwdriver to remove the screws securing the breaker panel cover. Carefully lift off the cover to expose the breakers.
4. Identify the Main Breaker:
– Locate the main circuit breaker, usually positioned at the top of the panel.
5. Disconnect Wiring:
– Note the positions and configurations of the wires connected to the main breaker.
– Use pliers to carefully disconnect the wires, making sure to remember their initial placements.
6. Remove the Old Breaker:
– Gently pry the old breaker out of its slot by pressing the release clip or using a flathead screwdriver, depending on your breaker model.
7. Install the New Breaker:
– Align the new breaker with the slot and press it firmly into place until it clicks securely.
8. Reconnect Wiring:
– Reconnect the wires to the corresponding terminals on the new breaker. Ensure all connections are tight and secure.
9. Replace the Panel Cover:
– Place the panel cover back onto the breaker panel and secure it with screws.
10. Restore Power:
– Turn the main power supply back on. Use the voltage tester to verify the system is operating normally.
11. Test the Breaker:
– Switch the new breaker on and off to ensure it functions correctly. Check that all devices and appliances are working properly.