Average Cost to Install Electrical Panels & Wiring. The average cost to hire an electrician to install an electrical panel and wiring is $1,175. Most homeowners pay between $960 and $1,395 to have this type of work completed, with a general maximum of around $2,220.verage Cost to Install Electrical Panels & Wiring. The average cost to hire an electrician to install an electrical panel and wiring is $1,175. Most homeowners pay between $960 and $1,395 to have this type of work completed, with a general maximum of around $2,220.