Though electrical work can be intimidating, but basic wiring installation can be fairly simple. Here is a guide to DIY electrical wiring installation for a new power outlet. More complex electrical wiring installation, including creating and running new circuits, is best left to experienced professionals.

Safety First

Make safety a priority for any electrical wiring installation. Turn off the power to the circuit that includes the light or outlet. Then use a voltage tester and switches to make sure the circuit is completely off. Remove your metal jewelry and watch, wear rubber shoes and be sure to use rubber-handled tools, even for the simplest electrical wiring installation. Plastic handles are prone to crack and expose dangerous metal. Even after confirming that the power is switched off, never touch two wires at once. Also, avoid touching the bare ends of wires with your hands-always use safe tools.

Replace an Outlet

The most basic home electrical wiring installation project is replacing an outlet, or receptacle. The project is cheap and easy, so don’t be afraid to replace an outlet that is cracked or not working. You should also add a ground fault circuit interrupter(a square outlet with the small black and red reset and test buttons) to replace an outlet near a bathroom or kitchen sink, or other location that could get wet. Finally, do not replace an ungrounded (two-prong) outlet with a grounded (three-prong) outlet unless you are sure the new outlet can be properly grounded.

After turning off and checking power to the circuit, remove the cover plate and carefully unscrew and pull the outlet away from the wall. The outlet is likely on a serial circuit, meaning the power runs from the outlet to and from other outlets, switches and fixtures.

Carefully separate the sets of wires. You should have one green grounding wire, two black (hot) wires and two white (neutral) wires. Each wire needs to be connected to a terminal. Wrap the wire clockwise around the appropriate screw threads, then tighten the screw (which also turns clockwise). Connect the grounding wire to the single green grounding terminal.

For the other wires, strip away just enough insulation so that the bare wire can wrap around the screw threads. Attach the black (hot) wires to the brass-colored terminal. Then connect each white wire to the silver-colored terminal on the same side as its companion black wire.

Every electrical wiring installation project requires important safety precautions, even replacing a power outlet, which is the easiest electrical wiring installation project.
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