How to Identify Wiring

Being able to identify wiring makes electrical repairs easier. Use these tips to easily pinpoint problems and connect wires to the correct terminals when making repairs.

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turn off power at breaker switch when working

Photo 1 of 4Whenever you're working with anything in your home that deals with electricity, be sure to turn off the breaker switch on the service panel.

- Service Panel
- End-of-Run Outlet
- Middle-of-Run Outlet
- Electrical Wires

Service Panel(1 of 4)

When you open an outlet, it can be useful to figure out the position of the outlet or switch in the circuit, as well as the function of each wire. This knowledge can help you pinpoint problems and connect wires to the correct terminals when making repairs.

If you can't find the source of a problem with an outlet, work from that point back to the service panel, troubleshooting each load on the circuit and its connections until you locate the fault.

Next Photo: End-of-Run Outlet