Wiring a GFCI Outlet in an older home that does not have a ground wire and still have protection against ground faults that can cause electric shock. This method is approved by the NEC Electrical Code and assures older homes to have GFCI protection in the required areas, including the Kitchen, Bathroom, Garage, and Outdoor areas. GFCI Outlets are an essential device in all homes, and are required for home inspections, and home electrical system upgrades. DIY Electrical Wiring from an Electrician. Complete with easy to understand wiring examples, and an easy to follow process which is explained by a licensed electrical contractor.