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How To Wire and Install an Outlet...Step #1: Safety First! Turn Off the Power
Turning Off a Breaker
As with any electrical installation, the first step is to turn off the power to the circuit that you'll be working on before wiring and installing an outlet. Check first to see that the circuit is on with an electrical tester and then turn the circuit off. Double-check that the circuit is now dead and then you may begin the installation.