How to wire a plug - Easy Do It Yourself Home Improvements If you are wondering how to wire a plug, you have come to the right place. Wiring a plug is perfect for the beginner do it yourself-er. After you master this project, you can add some split receptacles to your kitchen. But first, let's get to wiring a plug.. Step 1 - Turn off the power. WAIT!! Did you remember to turn the power off? Wiring Diagrams for Electrical Receptacle Outlets - Do-it This page contains wiring diagrams for most household receptacle outlets you will encounter including: grounded and ungrounded duplex outlets, ground fault circuit interrupters (GFCI), 20amp, 30amp, and 50amp receptacles for 120 volt and 240 volt circuits.