The answer to 'cost to install GFCI outlet in Illinois' is that the typical cost to install a GFCI (ground fault circuit interrupter) outlet in Illinois can range from $75 to $200 or more, depending on several factors. The actual cost will vary based on your location, the complexity of the electrical work required, and whether you hire a professional electrician or attempt a DIY installation.
Factors that can affect the cost include the accessibility of the electrical box, the need to upgrade the electrical panel, the complexity of the wiring, and any necessary permits or inspections. Hiring a licensed and insured electrician is generally recommended to ensure the work is done safely and up to code.