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Include your email address to get a message when this question is answered. You must use a circuit breaker that is approved for use in your service panel. Turn off the power supply to the electrical panel. Use a test light or meter set to check for the presence of power. Warning Working in the electrical panel is dangerous. Include your email address to get a message when this question is answered.
While you are installing the new circuit breaker, the electricity will be off. Once attached, pivot the circuit breaker on the mechanical contact and roll towards the center of the panel - making sure the bus bar of the panel is still aligned with the slot or opening on the circuit breaker case. This is typically 15 amps for 14 copper, 20 amps for 12 copper and 30 amps for 10 copper conductors or wires. Related Articles.
Thank you. You refresh the memory and your ready to go plus the safety tips help. Already answered Not a question Bad question Other. In fact, most people choose not to do it themselves out of fear of being shocked. Learn more.
Feed the circuit cable through a knock-out hole in the side or bottom of the box. While a single pole 15 or 20 amp short circuit would probably not cause catastrophic damage, a double pole 100 or 200 amp short circuit certainly could. Install a hot wire into the new breaker, and then line up the breaker into position and snap it into place.
Route the ground conductor to the ground bus bar or common neutral bus bar, as applicable. Loosen the screw on the circuit breaker and insert the end of the black wire under it and then firmly tighten the screw. What have I done wrong if I wired two sockets to a breaker and when I added a fan, it tripped? You can choose rough-in boxes that you affix to wall or ceiling framing or remodeling boxes that anchor directly to the drywall.
Another is to run the wires from all the fixtures back to the switch. Co-Authored By:.
Grasp the edge of the knockout with pliers and bend it back and forth until it breaks loose. Tips Check local building codes.
Warnings Voltage levels as little as 50 volts can be lethal under the right conditions.